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CN101605187A - The method of control voice quality in Conference server, user terminal and the voice conferencing - Google Patents

The method of control voice quality in Conference server, user terminal and the voice conferencing Download PDF

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Publication number
CN101605187A
CN101605187A CNA2009100887512A CN200910088751A CN101605187A CN 101605187 A CN101605187 A CN 101605187A CN A2009100887512 A CNA2009100887512 A CN A2009100887512A CN 200910088751 A CN200910088751 A CN 200910088751A CN 101605187 A CN101605187 A CN 101605187A
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user terminal
voice signal
voice
quality
low
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郭成凯
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Vimicro Corp
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Vimicro Corp
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Abstract

The invention provides the method for control voice quality in a kind of Conference server, user terminal and the voice conferencing, described Conference server comprises: judge module, whether the voice signal that is used to judge first user terminal input that inserts voice conferencing is low-quality voice signal, obtains a judged result; First processing module, be used for when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, described first user terminal carried out noise reduction handle or disconnect being connected of described first user terminal and described voice conferencing.The present invention can effectively control the low quality phonetic problem in the voice conferencing.

Description

The method of control voice quality in Conference server, user terminal and the voice conferencing
Technical field
The present invention relates to field of multimedia communication, relate in particular to the method for control voice quality in a kind of Conference server, user terminal and the voice conferencing.
Background technology
Audio conference service be a kind of practical value very high, very the multimedia communication mode of development potentiality is arranged, voice conferencing can carry out speech exchange simultaneously so that be positioned at a plurality of participants of diverse geographic location.
The problem that often runs in the voice conferencing is the low quality phonetic problem, for example, if the volume of speech side is less, other participants then possibly can't catch, and therefore, other participants may interrupt spokesman's speech, allow him make a speech again, wasted the time of meeting; If there is the jamming pattern sound in spokesman's one end, perhaps the spokesman is away from keyboard and misplug into maintenance sound or music etc., and then voice conferencing will seriously be disturbed, and has hindered other participants' speech exchange, has influenced the definition of voice conferencing.
Summary of the invention
In view of this, the embodiment of the invention provides the method for control voice quality in a kind of Conference server, user terminal and the voice conferencing, can effectively control the low quality phonetic problem in the voice conferencing.
For addressing the above problem, the embodiment of the invention provides a kind of Conference server, comprising:
Judge module is used to judge whether the voice signal of first user terminal input that inserts voice conferencing is low-quality voice signal, obtains a judged result;
First processing module, be used for when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, described first user terminal carried out noise reduction handle or disconnect being connected of described first user terminal and described voice conferencing.
Described judge module comprises:
First detection module is used for the default speech parameter by the voice signal that detects described first user terminal input, judges whether the voice signal of described first user terminal input is low-quality voice signal; And/or
Second detection module is used for whether receiving the low quality phonic warning information that described first user terminal sends by detecting, and judges whether the voice signal of described first user terminal input is low-quality voice signal.
Described Conference server also comprises:
Voice channel is set up module, be used for when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, set up the independent voice channel between second user terminal and described first user terminal, to be used for described second user terminal voice signal of described first user terminal input is carried out secondary detection, described second user terminal is for inserting the arbitrary user terminal except that described first user terminal of voice conferencing;
Receiver module, be used to receive the secondary detection result of described second user terminal, whether the voice signal of described first user terminal input of indication is low-quality voice signal among the described secondary detection result, described secondary detection result as new judged result, is sent to described first processing module.
Described first detection module comprises:
First Executive Module, whether the volume of voice signal that is used to detect first user terminal input that inserts voice conferencing is less than predetermined threshold value, in described volume during less than described predetermined threshold value, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described volume; And/or
Second Executive Module, be used to detect the spectrum distribution of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising the circulation sound in the described voice signal or keeping sound in described spectrum distribution, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described spectrum distribution; And/or
The 3rd Executive Module, be used to detect the tonequality or the speech energy rank of the voice signal of first user terminal input that inserts voice conferencing, indicate in described tonequality or speech energy rank and to comprise in the described voice signal when keeping music, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described tonequality or speech energy rank; And/or
The 4th Executive Module, be used to detect the speech energy rank or the overall noise rank of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising background noise in the described voice signal in described speech energy rank or overall noise rank, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described speech energy rank or overall noise rank.
Described first processing module comprises:
Reminding module is used for described first user terminal being pointed out, and generating the timing trigger message when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal;
Timer is used for according to described timing trigger message, picks up counting from the moment that described first user terminal is pointed out;
Trigger module, be used for surpassing Preset Time in the timing of described timer, described judged result is still indicated the voice signal of described first user terminal input when being low-quality voice signal, described first user terminal is carried out noise reduction handle or disconnect being connected of described first user terminal and described voice conferencing.
Described Conference server also comprises:
Second processing module, be used for receive described first user terminal insert the request of described voice conferencing again the time, voice channel between foundation and described first user terminal, and trigger described judge module and judge whether the voice signal of described first user terminal input is low-quality voice signal, obtains described judged result;
Access module is used for when described judged result indicates the voice signal of described first user terminal input to be not low-quality voice signal described first user terminal being inserted in the described voice conferencing again.
The embodiment of the invention also provides a kind of user terminal, comprising:
Detection module is used at voice conferencing, by detecting the default speech parameter of the voice signal of exporting, judges whether the voice signal of described output is low-quality voice signal, and obtains a judged result;
Processing module, be used for when described judged result indicates the voice signal of described output to be low-quality voice signal, carry out being connected or generating low quality phonic warning information and sending to Conference server in the described voice conferencing of noise reduction processing, disconnection and described voice conferencing, by described Conference server described user terminal is carried out noise reduction and handle or disconnect being connected of described user terminal and described voice conferencing.
Described detection module comprises:
First Executive Module, whether the volume of voice signal that is used to detect output is less than predetermined threshold value, during less than described predetermined threshold value, it is low-quality voice signal that described judged result is indicated the voice signal of described output in described volume, and described default speech parameter is described volume; And/or
Second Executive Module, be used to detect the spectrum distribution of the voice signal of output, indicate when comprising the circulation sound in the described voice signal or keeping sound in described spectrum distribution, it is low-quality voice signal that described judged result is indicated the voice signal of described output, and described default speech parameter is described spectrum distribution; And/or
The 3rd Executive Module, be used to detect the tonequality or the speech energy rank of the voice signal of output, indicate in described tonequality or speech energy rank and to comprise in the described voice signal when keeping music, it is low-quality voice signal that described judged result is indicated the voice signal of described output, and described default speech parameter is described tonequality or speech energy rank; And/or
The 4th Executive Module, be used to detect the speech energy rank or the overall noise rank of the voice signal of output, indicate when comprising background noise in the described voice signal in described speech energy rank or overall noise rank, it is low-quality voice signal that described judged result is indicated the voice signal of described output, and described default speech parameter is described speech energy rank or overall noise rank.
The embodiment of the invention also provides the method for control voice quality in a kind of voice conferencing, may further comprise the steps:
Whether the voice signal of judging first user terminal input that inserts voice conferencing is low-quality voice signal, obtains a judged result;
When described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, described first user terminal is carried out noise reduction handle or disconnect being connected of described first user terminal and described voice conferencing.
Whether the voice signal that described judgement inserts first user terminal input of voice conferencing is that low-quality voice signal is specially:
The default speech parameter of the voice signal by detecting the input of described first user terminal judges whether the voice signal of described first user terminal input is low-quality voice signal; Or
Whether receive the low quality phonic warning information that described first user terminal sends by detecting, judge whether the voice signal of described first user terminal input is low-quality voice signal.
Whether the voice signal that described judgement inserts first user terminal input of voice conferencing is low-quality voice signal, obtains also comprising after the judged result:
When described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, set up the independent voice channel between second user terminal and described first user terminal, to be used for described second user terminal voice signal of described first user terminal input is carried out secondary detection, described second user terminal is for inserting the arbitrary user terminal except that described first user terminal of voice conferencing;
Receive the secondary detection result of described second user terminal, whether the voice signal of described first user terminal of indication input is low-quality voice signal among the described secondary detection result, with described secondary detection result as new judged result.
The described default speech parameter that passes through the voice signal of described first user terminal input of detection, judge whether the voice signal of described first user terminal input is that low-quality voice signal is specially:
Whether the volume of the voice signal of first user terminal input of detection access voice conferencing is less than predetermined threshold value, in described volume during less than described predetermined threshold value, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described volume; Or
Detect the spectrum distribution of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising the circulation sound in the described voice signal or keeping sound in described spectrum distribution, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described spectrum distribution; Or
Detect the tonequality or the speech energy rank of the voice signal of first user terminal input that inserts voice conferencing, indicate in described tonequality or speech energy rank and to comprise in the described voice signal when keeping music, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described tonequality or speech energy rank; Or
Detect the speech energy rank or the overall noise rank of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising background noise in the described voice signal in described speech energy rank or overall noise rank, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described speech energy rank or overall noise rank.
When described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, described first user terminal is carried out the noise reduction processing or disconnects described first user terminal being specially with being connected of described voice conferencing:
Described first user terminal is pointed out, and generate the timing trigger message;
According to described timing trigger message, pick up counting from the moment that described first user terminal is pointed out;
Timing at described timer surpasses Preset Time, described judged result is still indicated the voice signal of described first user terminal input when being low-quality voice signal, described first user terminal is carried out noise reduction handle or disconnect being connected of described first user terminal and described voice conferencing.
Described first user terminal of described disconnection also comprises with being connected of described voice conferencing afterwards:
Receive described first user terminal insert the request of described voice conferencing again the time, set up and described first user terminal between voice channel;
Whether the voice signal that rejudges described first user terminal input is low-quality voice signal, obtains described judged result;
When described judged result indicates the voice signal of described first user terminal input to be not low-quality voice signal, described first user terminal is inserted in the described voice conferencing again.
Embodiments of the invention have following beneficial effect:
In the voice conferencing that a plurality of user terminals participate in, whether the voice signal of judging user terminal is low-quality voice signal, when the voice signal of first user terminal is low-quality voice signal, described first user terminal is carried out noise reduction to be handled, or disconnect described first user terminal and operations such as being connected of voice conferencing, thereby make voice conferencing clearer, smooth, do not disturbed by the user terminal of low voice quality, and normal voice conferencing is still carrying out in whole process, and other user terminals needn't leave voice conferencing;
In addition, when the voice signal that detects for the first time described first user terminal is low-quality voice signal, can also be the independent voice channel that is used for secondary detection of setting up of second user terminal in described first user terminal and the voice conferencing, carry out secondary detection with voice signal to described first user terminal input, and according to the result of this secondary detection, determine whether described first user terminal is the user terminal of low voice quality, thereby improved reliability.
Description of drawings
Fig. 1 is the structural representation of the Conference server of the embodiment of the invention;
Fig. 2 is another structural representation of the Conference server of the embodiment of the invention;
Fig. 3 is the another structural representation of the Conference server of the embodiment of the invention;
Fig. 4 is a structural representation again of the Conference server of the embodiment of the invention;
Fig. 5 is the another structural representation of the Conference server of the embodiment of the invention;
Fig. 6 is the schematic flow sheet of the method for control voice quality in the voice conferencing of the embodiment of the invention;
Fig. 7 is another schematic flow sheet of the method for control voice quality in the voice conferencing of the embodiment of the invention;
Fig. 8 is the another schematic flow sheet of the method for control voice quality in the voice conferencing of the embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
Be illustrated in figure 1 as the structural representation of the Conference server of the embodiment of the invention, described Conference server comprises:
Judge module 11 is used to judge whether the voice signal of first user terminal input that inserts voice conferencing is low-quality voice signal, obtains a judged result; Described first user terminal is for inserting arbitrary user terminal of described voice conferencing;
First processing module 12, be used for when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, described first user terminal carried out noise reduction handle or disconnect being connected of described first user terminal and described voice conferencing.
Described Conference server can insert a plurality of user terminals voice conferencing and keep described voice conferencing;
Described user terminal can be for having the terminal of collecting the voice signal function or portable terminal etc., described user terminal is by IP (Internet Protocol, Internet Protocol) voice conferencing kept of network, mobile communications network or the described Conference server of other network insertions, the participant of described voice conferencing sends voice signal by the user terminal of its use to described Conference server, described user terminal receives the voice signal of other user terminals inputs that described Conference server sends, and plays to the participant and listen to.
The Conference server that provides by the foregoing description, in the voice conferencing that a plurality of user terminals participate in, whether the voice signal of judging the user terminal input is low-quality voice signal, when the voice signal of user terminal input is low-quality voice signal, described user terminal is handled accordingly, thereby can effectively control the low quality phonetic problem in the voice conferencing, make voice conferencing clearer, smooth, do not disturbed by the user terminal of low voice quality, and normal voice conferencing is still carrying out in whole control process, and other user terminals needn't leave voice conferencing.
Conference server in the foregoing description can judge in several ways whether the voice signal of first user terminal input that inserts voice conferencing is low-quality voice signal, for example, the default speech parameter of the voice signal by detecting the input of described first user terminal, whether the voice signal of judging described first user terminal input is low-quality voice signal, perhaps, by detecting the low quality phonic warning information that described first user terminal sends that whether receives, whether the voice signal of judging described first user terminal input is low-quality voice signal, or the like.
Be illustrated in figure 2 as another structural representation of the Conference server of the embodiment of the invention, on the basis of embodiment shown in Figure 1, described Conference server also comprises:
First detection module 111 is used for the default speech parameter by the voice signal that detects described first user terminal input, judges whether the voice signal of described first user terminal input is low-quality voice signal; The detection mode of described first detection module 111 can be for detecting after detecting in real time, periodically detect or being triggered by user terminal etc.The default speech parameter of described voice signal can for; Speech parameters such as the volume of voice signal, tonequality, spectrum distribution or speech energy rank.
Second detection module 112 is used for whether receiving the low quality phonic warning information that described first user terminal sends by detecting, and judges whether the voice signal of described first user terminal input is low-quality voice signal.At this moment, judge by user terminal whether the voice signal of self exporting is low-quality voice signal, and when the voice signal of output is low-quality voice signal, generates low quality phonic warning information, and send to described Conference server.
Described judge module 11 can comprise any one in described first detection module 111 and described second detection module 112, also can comprise described first detection module 111 and described second detection module 112 simultaneously.
The judged result of above-mentioned judge module 11 can not entirely accurate, therefore, can carry out secondary detection to the voice signal of described first user terminal input, to improve the reliability of judged result, be illustrated in figure 3 as the another structural representation of the Conference server of the embodiment of the invention, on the basis of embodiment shown in Figure 1, described Conference server comprises:
Voice channel is set up module 13, be used for when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, set up the independent voice channel between second user terminal and described first user terminal, to be used for described second user terminal voice signal of described first user terminal input is carried out secondary detection, described second user terminal is for inserting the arbitrary user terminal except that described first user terminal of described voice conferencing;
Receiver module 14, be used to receive the secondary detection result of described second user terminal, whether the voice signal of described first user terminal input of indication is low-quality voice signal among the described secondary detection result, described secondary detection result as new judged result, and is sent to described first processing module 12 with described new judged result.When described new judged result indicated the voice signal of described first user terminal input to be low-quality voice signal, 12 pairs of described first user terminals of described first processing module carry out noise reduction to be handled or disconnects being connected of described first user terminal and described voice conferencing; When described new judged result indicates the voice signal of described first user terminal input to be not low-quality voice signal, then described first user terminal is not carried out above-mentioned processing.
Independent voice channel between above-mentioned second user terminal and described first user terminal can be unidirectional voice channel, when described voice channel is unidirectional voice channel, described second user terminal can obtain the voice signal of described first user terminal input, and described first user terminal can't obtain the voice signal of described second user terminal input; Described voice channel also can be two-way voice channel, and when described voice channel was two-way voice channel, described second user terminal and described first user terminal can obtain the voice signal of the other side's input mutually;
Behind the independent voice channel of setting up between described second user terminal and described first user terminal, whether the voice signal that described second user terminal can adopt dual mode to detect described first user terminal input is low-quality voice signal:
First kind of detection mode is the automatic detection mode of user terminal, be the voice channel of described second user terminal by setting up, obtain the voice signal of described first user terminal input, described voice signal is analyzed, judge whether described voice signal is low-quality voice signal;
Second kind of detection mode is artificial detection mode, it is described second user terminal obtains described first user terminal input by described voice channel voice signal, participant by described second user terminal, one side listens to described voice signal, thereby judge whether described voice signal is low-quality voice signal, after participant's judgement of described second user terminal, one side finishes, can notify described Conference server with described judged result by described second user terminal, generally, the artificial mode that detects is more more accurate than the mode that user terminal detects;
In concrete implementation procedure, usually with the initiation terminal of this voice conferencing as described second user terminal, listen to the voice signal of described first user terminal input by participant's (being the promoter of voice conferencing) of initiation terminal one side of described voice conferencing, and provide the secondary detection result.
In addition, before described Conference server is set up independent voice channel between described second user terminal and described first user terminal, preferably at first send and carry out the request of secondary detection to described second user terminal, to avoid described second user terminal because of busy or other reasons, can't carry out described secondary detection, receiving described second user terminal when accepting replying of described request, set up the independent voice channel between described second user terminal and described first user terminal again.If described second user terminal is because busy or other reasons, can't carry out described secondary detection, just do not need to send replying of described request, described Conference server through Preset Time do not receive described second user terminal for the replying of described request the time, described Conference server can also be reselected another user terminal in the voice conferencing as second user terminal, sends the request of described secondary detection.
The Conference server that provides by the foregoing description, when the voice signal that detects for the first time described first user terminal is low-quality voice signal, can between second user terminal in described first user terminal and the voice conferencing, set up an independent voice channel that is used for secondary detection, carry out secondary detection with voice signal to described first user terminal input, and according to the result of this secondary detection, determine whether described first user terminal is the user terminal of low voice quality, because the signal to described first user terminal input has carried out repeated detection, thereby can effectively improve the reliability of detection.
Above-mentioned first detection module 111 can be analyzed the one or more default speech parameter of the voice signal of first user terminal input that inserts voice conferencing, judges whether the voice signal of described first user terminal input is low-quality voice signal.Be illustrated in figure 4 as a structural representation again of the Conference server of the embodiment of the invention, on the basis of above-mentioned embodiment shown in Figure 2, described first detection module 111 comprises:
First Executive Module 1111, whether the volume of voice signal that is used to detect first user terminal input that inserts voice conferencing is less than predetermined threshold value, in described volume during less than described predetermined threshold value, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described volume; And/or
Second Executive Module 1112, be used to detect the spectrum distribution of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising the circulation sound in the described voice signal or keeping sound in described spectrum distribution, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described spectrum distribution; And/or
The 3rd Executive Module 1113, be used to detect the tonequality or the speech energy rank of the voice signal of first user terminal input that inserts voice conferencing, indicate in described tonequality or speech energy rank and to comprise in the described voice signal when keeping music, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described tonequality or speech energy rank; And/or
The 4th Executive Module 1114, be used to detect the speech energy rank or the overall noise rank of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising background noise in the described voice signal in described speech energy rank or overall noise rank, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described speech energy rank or overall noise rank.
Mention in the above-described embodiments, when the voice signal of described first user terminal input was low-quality voice signal, described first processing module 12 can be carried out noise reduction to described first user terminal and be handled or disconnect operations such as described first user terminal and being connected of voice conferencing.Described Conference server to the described first user terminal noise reduction after, described first user terminal still can continue to receive the content of described voice conferencing, but can't be to described Conference server input speech signal.In addition, before described Conference server is carried out operations such as noise reduction processing or disconnection connect to described first user terminal, preferably at first described first user terminal is pointed out, the voice signal of pointing out its input is low-quality voice signal, so that described first user terminal is in time adjusted, behind the process Preset Time, when if the voice signal of described first user terminal input still is low-quality voice signal, again described first user terminal is carried out noise reduction, disconnect operations such as connection, therefore, as shown in Figure 5, on the basis of embodiment shown in Figure 1, described first processing module 12 comprises:
Reminding module 121 is used for described first user terminal being pointed out, and generating the timing trigger message when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal;
Timer 122 is used for according to described timing trigger message, picks up counting from the moment that described first user terminal is pointed out;
Trigger module 123, be used for surpassing Preset Time in the timing of described timer, described judged result is still indicated the voice signal of described first user terminal input when being low-quality voice signal, described first user terminal is carried out noise reduction handle or disconnect being connected of described first user terminal and voice conferencing.
When described reminding module 121 can be low-quality voice signal at the voice signal of described first user terminal input of prompting, notify described first user terminal with the reason of detected low voice quality, for example, when the volume of the voice signal that detects described first user terminal input is hanged down, can directly notify described first user terminal by described reminding module 121, so that the described first user terminal rapid adjustment voice quality with this reason.
Described Conference server with described first user terminal and described voice conferencing disconnect be connected after, described first user terminal may be eliminated the reason that has low voice quality, after described first user terminal has been eliminated the reason of low voice quality, can send the request that inserts described voice conferencing to described Conference server again, described Conference server then can insert described first user terminal in the described voice conferencing again, therefore, as shown in Figure 5, described Conference server also comprises:
Second processing module 15, be used for receive described first user terminal insert the request of described voice conferencing again the time, voice channel between foundation and described first user terminal, and trigger described judge module 11 and judge whether the voice signal of described first user terminal input is low-quality voice signal, obtains described judged result;
Access module 16 is used for when described judged result indicates the voice signal of described first user terminal input to be not low-quality voice signal described first user terminal being inserted in the described voice conferencing again.
The embodiment of the invention also provides a kind of user terminal, and described user terminal comprises:
Detection module is used at voice conferencing, by detecting the default speech parameter of the voice signal of exporting, judges whether the voice signal of described output is low-quality voice signal, and obtains a judged result; The default speech parameter of described voice signal can for; Speech parameters such as the volume of voice signal, tonequality, spectrum distribution or speech energy rank.
Processing module, be used for when described judged result indicates the voice signal of described output to be low-quality voice signal, carry out being connected or generating low quality phonic warning information and sending to Conference server in the described voice conferencing of noise reduction processing, disconnection and described voice conferencing, by described Conference server described user terminal is carried out noise reduction and handle or disconnect being connected of described user terminal and described voice conferencing.
Above-mentioned detection module can be analyzed the one or more default speech parameter of the voice signal of first user terminal input that inserts voice conferencing, judges whether the voice signal of described first user terminal input is low-quality voice signal.On the basis of the foregoing description, described detection module comprises:
First Executive Module, whether the volume of voice signal that is used to detect output is less than predetermined threshold value, during less than described predetermined threshold value, it is low-quality voice signal that described judged result is indicated the voice signal of described output in described volume, and described default speech parameter is described volume; And/or
Second Executive Module, be used to detect the spectrum distribution of the voice signal of output, indicate when comprising the circulation sound in the described voice signal or keeping sound in described spectrum distribution, it is low-quality voice signal that described judged result is indicated the voice signal of described output, and described default speech parameter is described spectrum distribution; And/or
The 3rd Executive Module, be used to detect the tonequality or the speech energy rank of the voice signal of output, indicate in described tonequality or speech energy rank and to comprise in the described voice signal when keeping music, it is low-quality voice signal that described judged result is indicated the voice signal of described output, and described default speech parameter is described tonequality or speech energy rank; And/or
The 4th Executive Module, be used to detect the speech energy rank or the overall noise rank of the voice signal of output, indicate when comprising background noise in the described voice signal in described speech energy rank or overall noise rank, it is low-quality voice signal that described judged result is indicated the voice signal of described output, and described default speech parameter is described speech energy rank or overall noise rank.
The user terminal that provides by the foregoing description, can be in voice conferencing, detect whether the voice signal of self exporting is low-quality voice signal, when the voice signal that detects output is low-quality voice signal, handle accordingly, thereby can effectively control the low quality phonetic problem in the voice conferencing, make voice conferencing clearer, smooth.
Be illustrated in figure 6 as the method for control voice quality in the voice conferencing of the embodiment of the invention, said method comprising the steps of:
Step 61 judges whether the voice signal of first user terminal input that inserts voice conferencing is low-quality voice signal, obtains a judged result; Described first user terminal is for inserting arbitrary user terminal of described voice conferencing;
Step 62 when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, is carried out noise reduction to described first user terminal and is handled or disconnect being connected of described first user terminal and described voice conferencing.
Whether the voice signal that can judge first user terminal input that inserts voice conferencing in the above-mentioned steps 61 in several ways is low-quality voice signal, for example, the default speech parameter of the voice signal by detecting the input of described first user terminal, whether the voice signal of judging described first user terminal input is low-quality voice signal, perhaps, by detecting the low quality phonic warning information that described first user terminal sends that whether receives, whether the voice signal of judging described first user terminal input is low-quality voice signal, or the like.
Therefore, described step 61 can be specially:
The default speech parameter of the voice signal by detecting the input of described first user terminal judges whether the voice signal of described first user terminal input is low-quality voice signal; Or
Whether receive the low quality phonic warning information that described first user terminal sends by detecting, judge whether the voice signal of described first user terminal input is low-quality voice signal.
In the foregoing description, can analyze, judge whether the voice signal of described first user terminal input is low-quality voice signal the one or more default speech parameter of the voice signal of first user terminal input that inserts voice conferencing.Therefore, the default speech parameter of the voice signal by detecting the input of described first user terminal, judge whether the voice signal of described first user terminal input is that low-quality voice signal can be specially:
Whether the volume of the voice signal of first user terminal input of detection access voice conferencing is less than predetermined threshold value, in described volume during less than described predetermined threshold value, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described volume; Or
Detect the spectrum distribution of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising the circulation sound in the described voice signal or keeping sound in described spectrum distribution, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described spectrum distribution; Or
Detect the tonequality or the speech energy rank of the voice signal of first user terminal input that inserts voice conferencing, indicate in described tonequality or speech energy rank and to comprise in the described voice signal when keeping music, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described tonequality or speech energy rank; Or
Detect the speech energy rank or the overall noise rank of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising background noise in the described voice signal in described speech energy rank or overall noise rank, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described speech energy rank or overall noise rank.
The method that provides by the foregoing description, in the voice conferencing that a plurality of user terminals participate in, whether the voice signal of judging the user terminal input is low-quality voice signal, when the voice signal of user terminal input is low-quality voice signal, described user terminal is handled accordingly, thereby can effectively control the low quality phonetic problem in the voice conferencing, make voice conferencing clearer, smooth, do not disturbed by the user terminal of low voice quality, and normal voice conferencing is still carrying out in whole control process, and other participants needn't leave voice conferencing.
Judged result in the foregoing description can not entirely accurate, therefore, can carry out secondary detection to the voice signal of described first user terminal input, thereby improve the reliability of judged result, be illustrated in figure 7 as another schematic flow sheet of the method for control voice quality in the voice conferencing of the embodiment of the invention, said method comprising the steps of:
Step 71 judges whether the voice signal of first user terminal input that inserts voice conferencing is low-quality voice signal, obtains a judged result;
Step 72, when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, set up the independent voice channel between second user terminal and described first user terminal, to be used for described second user terminal voice signal of described first user terminal input is carried out secondary detection, described second user terminal is for inserting the arbitrary user terminal except that described first user terminal of voice conferencing;
Step 73 receives the secondary detection result of described second user terminal, and whether the voice signal of described first user terminal input of indication is low-quality voice signal among the described secondary detection result, with described secondary detection result as new judged result;
Step 74, when described new judged result indicates the voice signal of first user terminal input of described access voice conferencing to be low-quality voice signal, described first user terminal is carried out noise reduction handle or disconnect being connected of described first user terminal and described voice conferencing.
The method that provides by the foregoing description, when the voice signal that detects for the first time described first user terminal is low-quality voice signal, can between second user terminal in described first user terminal and the voice conferencing, set up an independent voice channel, carry out secondary detection with voice signal to described first user terminal input, and according to the result of this secondary detection, determine whether described first user terminal is the user terminal of low voice quality, owing to carried out repeated detection, thereby can effectively improve the reliability of judged result.
In addition, before described first user terminal is carried out operations such as noise reduction processing or disconnection connect, preferably at first described first user terminal is pointed out, the voice signal of pointing out its input is low-quality voice signal, so that described first user terminal is in time adjusted, through behind the Preset Time,, more described first user terminal is carried out operations such as noise reduction, disconnection connection if when the voice signal of described first user terminal input still be low-quality voice signal.
Be illustrated in figure 8 as the another schematic flow sheet of the method for control voice quality in the voice conferencing of the embodiment of the invention, said method comprising the steps of:
Step 81 judges whether the voice signal of first user terminal input that inserts voice conferencing is low-quality voice signal, when the voice signal of described first user terminal input is low-quality voice signal, enters step 82, otherwise repeated execution of steps 81;
Step 82 is pointed out described first user terminal, and generates the timing trigger message;
Step 83 according to described timing trigger message, picks up counting from the moment that described first user terminal is pointed out;
Step 84 surpasses Preset Time in the timing of described timer, and described judged result is still indicated the voice signal of described first user terminal input when being low-quality voice signal, disconnects being connected of described first user terminal and described voice conferencing;
Certainly, in step 84, when described judged result still indicates the voice signal of described first user terminal input to be low-quality voice signal, also can not disconnect being connected of first user terminal and described voice conferencing, but described first user terminal is carried out the noise reduction processing.
Step 85, receive described first user terminal insert the request of described voice conferencing again the time, voice channel between foundation and described first user terminal, whether the voice signal that rejudges described first user terminal input is low-quality voice signal;
Step 86 when the voice signal of described first user terminal input is not low-quality voice signal, inserts described first user terminal in the described voice conferencing again.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (14)

1. a Conference server is characterized in that, comprising:
Judge module is used to judge whether the voice signal of first user terminal input that inserts voice conferencing is low-quality voice signal, obtains a judged result;
First processing module, be used for when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, described first user terminal carried out noise reduction handle or disconnect being connected of described first user terminal and described voice conferencing.
2. Conference server according to claim 1 is characterized in that, described judge module comprises:
First detection module is used for the default speech parameter by the voice signal that detects described first user terminal input, judges whether the voice signal of described first user terminal input is low-quality voice signal; And/or
Second detection module is used for whether receiving the low quality phonic warning information that described first user terminal sends by detecting, and judges whether the voice signal of described first user terminal input is low-quality voice signal.
3. Conference server according to claim 1 and 2 is characterized in that, also comprises:
Voice channel is set up module, be used for when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, set up the independent voice channel between second user terminal and described first user terminal, to be used for described second user terminal voice signal of described first user terminal input is carried out secondary detection, described second user terminal is for inserting the arbitrary user terminal except that described first user terminal of voice conferencing;
Receiver module, be used to receive the secondary detection result of described second user terminal, whether the voice signal of described first user terminal input of indication is low-quality voice signal among the described secondary detection result, described secondary detection result as new judged result, is sent to described first processing module.
4. Conference server according to claim 2 is characterized in that, described first detection module comprises:
First Executive Module, whether the volume of voice signal that is used to detect first user terminal input that inserts voice conferencing is less than predetermined threshold value, in described volume during less than described predetermined threshold value, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described volume; And/or
Second Executive Module, be used to detect the spectrum distribution of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising the circulation sound in the described voice signal or keeping sound in described spectrum distribution, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described spectrum distribution; And/or
The 3rd Executive Module, be used to detect the tonequality or the speech energy rank of the voice signal of first user terminal input that inserts voice conferencing, indicate in described tonequality or speech energy rank and to comprise in the described voice signal when keeping music, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described tonequality or speech energy rank; And/or
The 4th Executive Module, be used to detect the speech energy rank or the overall noise rank of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising background noise in the described voice signal in described speech energy rank or overall noise rank, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described speech energy rank or overall noise rank.
5. Conference server according to claim 1 is characterized in that, described first processing module comprises:
Reminding module is used for described first user terminal being pointed out, and generating the timing trigger message when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal;
Timer is used for according to described timing trigger message, picks up counting from the moment that described first user terminal is pointed out;
Trigger module, be used for surpassing Preset Time in the timing of described timer, described judged result is still indicated the voice signal of described first user terminal input when being low-quality voice signal, described first user terminal is carried out noise reduction handle or disconnect being connected of described first user terminal and described voice conferencing.
6. Conference server according to claim 1 or 5 is characterized in that, also comprises:
Second processing module, be used for receive described first user terminal insert the request of described voice conferencing again the time, voice channel between foundation and described first user terminal, and trigger described judge module and judge whether the voice signal of described first user terminal input is low-quality voice signal, obtains described judged result;
Access module is used for when described judged result indicates the voice signal of described first user terminal input to be not low-quality voice signal described first user terminal being inserted in the described voice conferencing again.
7. a user terminal is characterized in that, comprising:
Detection module is used at voice conferencing, by detecting the default speech parameter of the voice signal of exporting, judges whether the voice signal of described output is low-quality voice signal, and obtains a judged result;
Processing module, be used for when described judged result indicates the voice signal of described output to be low-quality voice signal, carry out being connected or generating low quality phonic warning information and sending to Conference server in the described voice conferencing of noise reduction processing, disconnection and described voice conferencing, by described Conference server described user terminal is carried out noise reduction and handle or disconnect being connected of described user terminal and described voice conferencing.
8. user terminal according to claim 7 is characterized in that, described detection module comprises:
First Executive Module, whether the volume of voice signal that is used to detect output is less than predetermined threshold value, during less than described predetermined threshold value, it is low-quality voice signal that described judged result is indicated the voice signal of described output in described volume, and described default speech parameter is described volume; And/or
Second Executive Module, be used to detect the spectrum distribution of the voice signal of output, indicate when comprising the circulation sound in the described voice signal or keeping sound in described spectrum distribution, it is low-quality voice signal that described judged result is indicated the voice signal of described output, and described default speech parameter is described spectrum distribution; And/or
The 3rd Executive Module, be used to detect the tonequality or the speech energy rank of the voice signal of output, indicate in described tonequality or speech energy rank and to comprise in the described voice signal when keeping music, it is low-quality voice signal that described judged result is indicated the voice signal of described output, and described default speech parameter is described tonequality or speech energy rank; And/or
The 4th Executive Module, be used to detect the speech energy rank or the overall noise rank of the voice signal of output, indicate when comprising background noise in the described voice signal in described speech energy rank or overall noise rank, it is low-quality voice signal that described judged result is indicated the voice signal of described output, and described default speech parameter is described speech energy rank or overall noise rank.
9. the method for control voice quality in the voice conferencing is characterized in that, may further comprise the steps:
Whether the voice signal of judging first user terminal input that inserts voice conferencing is low-quality voice signal, obtains a judged result;
When described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, described first user terminal is carried out noise reduction handle or disconnect being connected of described first user terminal and described voice conferencing.
10. the method for control voice quality is characterized in that in the voice conferencing according to claim 9, and whether the voice signal that described judgement inserts first user terminal input of voice conferencing is that low-quality voice signal is specially:
The default speech parameter of the voice signal by detecting the input of described first user terminal judges whether the voice signal of described first user terminal input is low-quality voice signal; Or
Whether receive the low quality phonic warning information that described first user terminal sends by detecting, judge whether the voice signal of described first user terminal input is low-quality voice signal.
11. method according to control voice quality in claim 9 or the 10 described voice conferencings, it is characterized in that, whether the voice signal that described judgement inserts first user terminal input of voice conferencing is low-quality voice signal, obtains also comprising after the judged result:
When described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, set up the independent voice channel between second user terminal and described first user terminal, to be used for described second user terminal voice signal of described first user terminal input is carried out secondary detection, described second user terminal is for inserting the arbitrary user terminal except that described first user terminal of voice conferencing;
Receive the secondary detection result of described second user terminal, whether the voice signal of described first user terminal of indication input is low-quality voice signal among the described secondary detection result, with described secondary detection result as new judged result.
12. the method for control voice quality in the voice conferencing according to claim 10, it is characterized in that, the described default speech parameter that passes through the voice signal of described first user terminal input of detection, judge whether the voice signal of described first user terminal input is that low-quality voice signal is specially:
Whether the volume of the voice signal of first user terminal input of detection access voice conferencing is less than predetermined threshold value, in described volume during less than described predetermined threshold value, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described volume; Or
Detect the spectrum distribution of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising the circulation sound in the described voice signal or keeping sound in described spectrum distribution, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described spectrum distribution; Or
Detect the tonequality or the speech energy rank of the voice signal of first user terminal input that inserts voice conferencing, indicate in described tonequality or speech energy rank and to comprise in the described voice signal when keeping music, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described tonequality or speech energy rank; Or
Detect the speech energy rank or the overall noise rank of the voice signal of first user terminal input that inserts voice conferencing, indicate when comprising background noise in the described voice signal in described speech energy rank or overall noise rank, it is low-quality voice signal that described judged result is indicated the voice signal of described first user terminal input, and described default speech parameter is described speech energy rank or overall noise rank.
13. the method for control voice quality in the voice conferencing according to claim 9, it is characterized in that, when described judged result indicates the voice signal of described first user terminal input to be low-quality voice signal, described first user terminal is carried out the noise reduction processing or disconnects described first user terminal being specially with being connected of described voice conferencing:
Described first user terminal is pointed out, and generate the timing trigger message;
According to described timing trigger message, pick up counting from the moment that described first user terminal is pointed out;
Timing at described timer surpasses Preset Time, described judged result is still indicated the voice signal of described first user terminal input when being low-quality voice signal, described first user terminal is carried out noise reduction handle or disconnect being connected of described first user terminal and described voice conferencing.
14. the method according to control voice quality in claim 9 or the 13 described voice conferencings is characterized in that, described first user terminal of described disconnection also comprises with being connected of described voice conferencing afterwards:
Receive described first user terminal insert the request of described voice conferencing again the time, set up and described first user terminal between voice channel;
Whether the voice signal that rejudges described first user terminal input is low-quality voice signal, obtains described judged result;
When described judged result indicates the voice signal of described first user terminal input to be not low-quality voice signal, described first user terminal is inserted in the described voice conferencing again.
CNA2009100887512A 2009-07-10 2009-07-10 The method of control voice quality in Conference server, user terminal and the voice conferencing Pending CN101605187A (en)

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