CN102833623A - Video-recording mistake-proofing method and video-recording device - Google Patents
Video-recording mistake-proofing method and video-recording device Download PDFInfo
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Abstract
The invention discloses a video-recording mistake-proofing method and a video-recording device, wherein a video-recording mistake-proofing method is applied to the video-recording device, and the video-recording device is connected to a set top box. The video-recording mistake-proofing method comprises the following steps of: judging whether the set top box is started according to a video signal and an audio signal output by the set top box; after starting the set top box, analyzing the video signal output by the set top box to judge whether an image represented by the video signal is shielded by an information view window; when the image represented by the video signal is not shielded by any information view window, sending a channel transforming signal to transform a channel received by the set top box to an appointed video-recording channel. An video-recording operation is started after the channel received by the set top box is transformed to the appointed video-recording channel.
Description
Technical field
The invention relates to a kind of error-preventing method and device thereof, and particularly a kind of error-preventing method and recording device of making video recording.
Background technology
Along with development of science and technology, TV has goed deep in the middle of people live.People's acquired information or obtain joyful and satisfy from TV programme.Therefore, in order to let the people that go out outside not miss the TV programme that it is liked, recording device also is the indispensable domestic electronic appliances of people already.
Current habitual recording device, its function only limit to merely carry out the flow process that presets, for example open STB at preset time, wait for the scheduled time after converted channel, and begin to make video recording after waiting for the scheduled time again.Be with above-mentioned recording device and can't immediately making a response according to the state of STB, thereby the failure or record unexpected content of causing easily making video recording.
In view of this, be applied on the recording device and can prevent to make video recording the failure video recording method should be suggested.
Summary of the invention
A purpose of the present invention is to provide a kind of error-preventing method of making video recording, and it can be applicable to the recording device of junctor top box, through analytical engine top box vision signal and audio signal, and the TV programme of being expected to assist recording device correctly to record the user.According to one embodiment of the invention, the error-preventing method of making video recording may further comprise the steps: vision signal and the audio signal (a) exported according to STB, whether accomplish start to judge STB.(b) after STB is accomplished start, whether the vision signal of analytical engine top box output covered by information window to judge the picture that vision signal is appeared.(c) when the picture that vision signal appeared is not covered by any information window, the life signal transmission elements is sent the channel switch signal, extremely preengages the channel of making video recording with the channel that the interpreter top box is received.(d) after channel is made video recording in channel switch to the reservation that STB received, begin to make video recording, and will be stored in the storage device by the film under the record.
According to one embodiment of the invention, wherein step (a) comprises, judges whether to receive the vision signal that STB is exported, if do not receive the vision signal that STB is exported, then orders signal transmission elements and sends power supply signal, with the starter motor top box.
According to one embodiment of the invention, wherein step (a) is further comprising the steps of.After sending power supply signal, whether the picture that vision signal appeared that the analytical engine top box is exported comprises the STB sign of STB.If the picture that vision signal appeared does not comprise the STB sign of STB, judge that then STB starts failure, and the life signal transmission elements restarts STB.
According to one embodiment of the invention, wherein step (a) may further comprise the steps.Judge whether to receive the audio signal that STB is exported, if receive vision signal and do not receive audio signal, whether the picture of then judging vision signal and being appeared covered by information window.And if the image information form that vision signal appeared covers, then order signal transmission elements and send the information window erasure signal, eliminate this information window with the command machine top box.
According to one embodiment of the invention, the error-preventing method of making video recording also comprises, when picture that vision signal appeared was covered by information window, the life signal transmission elements was sent the information window erasure signal, eliminates information window with the command machine top box.
According to one embodiment of the invention, the error-preventing method of making video recording comprises also after channel was made video recording in channel switch to the reservation that STB received, whether the vision signal of analytical engine top box output covered by information window to judge at the picture that vision signal was appeared.And when picture that vision signal appeared was covered by information window, the life signal transmission elements was sent the information window erasure signal, eliminated information window to make STB.
According to one embodiment of the invention, the error-preventing method of making video recording is further comprising the steps of.The captions of analyzing on the picture that vision signal appeared show (whether on-screen display OSD), is correctly received to judge the channel switch signal.If the channel switch signal is received by error, then order this signal transmission elements and repeat to send the channel switch signal, extremely preengage the channel of making video recording with the channel that the interpreter top box is received.
According to one embodiment of the invention, the error-preventing method of making video recording is further comprising the steps of.Behind the channel that the interpreter top box is received, analyze the channel identification on the picture that vision signal appeared, to judge whether the channel that STB is transformed into serves as to preengage the channel of making video recording.If the channel identification of the channel that STB was transformed into is different with the channel identification of preengaging the channel of making video recording, then order this signal transmission elements and repeat to send the channel switch signal, extremely preengage the channel of making video recording with the channel that the interpreter top box is received.
Another object of the present invention is to provide a recording device, they can be through the vision signal and the audio signal of analytical engine top box, the TV programme of being expected correctly to record the user.According to one embodiment of the invention, recording device comprises signal transmission elements and data handling component.Data handling component comprises start judge module, information window detecting module, channel switch module and the module of making video recording.Whether vision signal and the audio signal of start judge module in order to export according to STB accomplishes start to judge STB.The information window detecting module is in order to after accomplishing start at STB, and whether the vision signal of analytical engine top box output covered by information window to judge the picture that vision signal is appeared.The channel switch module is not in order to when the picture that vision signal appeared is covered by any information window, and the life signal transmission elements is sent the channel switch signal, extremely preengages the channel of making video recording with the channel that the interpreter top box is received.The module of making video recording begins to make video recording after making video recording channel in channel switch to the reservation that STB received, and will be stored in the storage device by the film under the record.
According to one embodiment of the invention, data handling component also comprises the information window cancellation module.The information window cancellation module sends the information window erasure signal covers picture with elimination information window in order to the life signal transmission elements.
According to one embodiment of the invention, the start judge module comprises vision signal judging unit and STB start unit.The vision signal judging unit is in order to judge whether outputting video signal of STB.The STB start unit is not in order to when STB has outputting video signal, and the life signal transmission elements is sent power supply signal with the starter motor top box.
According to one embodiment of the invention, the start judge module comprises that also STB sign detecting unit and STB restart the unit.STB sign detecting unit is in order to send power supply signal to STB in signal transmission elements, and whether the picture that vision signal appeared that the analytical engine top box is exported comprises the STB sign of STB.STB is restarted the unit in order to after not comprising the STB sign of STB at the STB sign detecting unit judgement picture that vision signal appeared, and life STB start unit restarts STB.
According to one embodiment of the invention, the start judge module also comprises audio signal analysis unit and command unit.The audio signal analysis unit is in order to judge whether output audio signal of STB.Command unit is during in order to output audio signal at the STB outputting video signal and not; Life information window detecting module judges whether the picture that vision signal appears covered by information window; If the picture that this vision signal appeared is covered by information window, then notify this information window cancellation module to eliminate the information window that this covers picture.
According to one embodiment of the invention, this data handling component comprises that also captions display analysis module and first heavily send module.Whether captions display analysis module shows in order to the captions of analyzing on the picture that vision signal appeared correctly received to judge this channel switch signal.First heavily send module in order to when the channel switch signal is received by error, and the life signal transmission elements resends the channel switch signal, extremely preengages the channel of making video recording with the channel that the interpreter top box is received.
According to one embodiment of the invention, data handling component comprises that also channel identification analysis module and second heavily send module.The channel identification analysis module in order to the channel that is received at the interpreter top box after, analyze the channel identification on the picture that vision signal appeared, to judge whether the channel that STB is transformed into serves as to preengage the channel of making video recording.Second heavily send module in order to the channel identification of the channel of making video recording in the channel identification of the channel that STB was transformed into and reservation not simultaneously, and the life signal transmission elements resends the channel switch signal, channel to the reservation that is received with the interpreter top box channel of making video recording.
In sum, use embodiments of the invention, can judge picture that whether STB accomplished start, STB output whether by information window cover, whether whether the channel switch signal be converted to by correct reception and channel preengages the channel of making video recording.See through these judgement and make corresponding action automatically, the TV programme that can make recording device correctly record down the user to be expected.
Description of drawings
For letting above-mentioned and other purposes of the present invention, characteristic, advantage and the embodiment can be more obviously understandable, the explanation of appended accompanying drawing be following:
Fig. 1 is the calcspar according to the recording device that one embodiment of the invention illustrated;
Fig. 2 is the flow chart according to the error-preventing method of making video recording that one embodiment of the invention illustrated;
Fig. 3 is the parts of fine portion flow chart according to the error-preventing method of making video recording that one embodiment of the invention illustrated;
Fig. 4 is the parts of fine portion flow chart according to the error-preventing method of making video recording that one embodiment of the invention illustrated;
Fig. 5 is the parts of fine portion flow chart according to the error-preventing method of making video recording that one embodiment of the invention illustrated;
Fig. 6 is the parts of fine portion flow chart according to the error-preventing method of making video recording that one embodiment of the invention illustrated.
[main element symbol description]
10: STB 20: storage device
100: recording device 110: signal transmission elements
120: data handling component 121: the start judge module
121a: vision signal judging unit 121b: STB start unit
121c: STB sign detecting unit 121d: STB is restarted the unit
121e: audio signal analysis unit 121f: command unit
122: information window detecting module 123: the channel switch module
124: the module 125 of making video recording: information window cancellation module
126: captions display analysis module is heavily sent module at 127: the first
128: the channel identification analysis module heavily send module at 129: the second
200: the error-preventing method 210 of making video recording: step
220: step 221-228: substep
231-260: step
Embodiment
Below will and be described in detail and clearly demonstrate spirit of the present invention with accompanying drawing; Has common knowledge the knowledgeable under any in the technical field after understanding preferred embodiment of the present invention; When can be by the technology of teachings of the present invention, change and modification, it does not break away from spirit of the present invention and scope.
One side of the present invention is to provide a kind of recording device; It is connected with STB; And through with the vision signal of image identification technical Analysis STB, and the analyzing audio signal to be judging the situation of STB, and the TV programme expected of user down of record correctly.In following embodiments of the invention, recording device can be computer, mobile phone, panel computer, embedded system or other possesses the electronic installation of IPF.
Fig. 1 is the calcspar according to the recording device 100 that one embodiment of the invention illustrated.Recording device 100 junctor top boxs 10 comprise signal transmission elements 110 and data handling component 120.Signal transmission elements 110 is given STB 10 in order to transmit order, and it can be an infrared projector, blue bud signal projector or other wired or wireless signal projector.The signal that data handling component 120 produces in order to receiving set up box 10, and the signal that produces according to STB 10 carry out like start, turntable or operation such as make video recording to judge whether command machine top box 10.Data handling component 120 available software or part software section hardware circuit are realized.
Data handling component 120 can comprise start judge module 121, information window detecting module 122, channel switch module 123 and the module 124 of making video recording.
Whether vision signal and the audio signal of start judge module 121 in order to be exported according to STB 10 accomplishes start to judge STB 10.For example, be not the sound and the image of TV programme if vision signal and audio signal appear, the judge module 121 of then starting shooting is judged STB 10 completion start as yet.For example, start judge module 121 can see through vision signal and audio signal whether dynamic change judges whether it is the sound and the image of TV programme.Information window detecting module 122 is in order to after accomplishing start at STB 10, and whether the vision signal with 10 outputs of image identification technical Analysis STB covered by information window to judge the picture that vision signal is appeared.For instance, when zone that does not change of picture existence that vision signal appeared, then information window detecting module 122 can judge that this zone that does not change is an information window.So-called here information window can be the information of advertisement, reporting system state or operates menu etc.And channel switch module 123 is ordered signal transmission elements 110 and is sent the channel switch signals in order to when the picture that vision signal appeared is not covered by any information window, extremely preengages the channel of making video recording with the channel that interpreter top box 10 is received.The so-called here channel of making video recording of preengaging is the user and presets the specific channel that will make video recording.The module of making video recording 124 begins to make video recording after preengaging the channel of making video recording in order to the channel switch that is received at STB 10, and will be stored in the storage device 20 by the film under the record.Storage device 20 can be outside or inner Storage Media, for example, can be hard disk, dish or memory card with oneself, and not as limit.
See through the operate together of above-mentioned module; Can avoid recording device 100 not accomplish start as yet at STB 10; Or picture that vision signal appears sends order when being covered by information window and gives STB 10, and avoids order to be performed and cause recording device 100 to record the picture or the program of mistake.
In the present embodiment, data handling component 120 also comprises information window cancellation module 125.Information window cancellation module 125 sends the information window erasure signal covers picture with elimination information window in order to life signal transmission elements 110.See through information window cancellation module 125; Recording device 100 can be that information window is when covering at the picture that vision signal appeared; Information window is eliminated, in order to avoid STB 10 can't be carried out the order that signal transmission elements 110 sends and cause recording device 100 to record the picture of mistake.
In the present embodiment, start judge module 121 can comprise vision signal judging unit 121a and STB start unit 121b.Vision signal judging unit 121a is in order to judge whether outputting video signal of STB 10.For example; The vision signal of vision signal judging unit 121a signal processing circuit enlarger capable of using top box 10 outputs; Then whether continue to exist level and vertical synchronizing signal (for example 3 seconds in) within a certain period of time with vision signal again, to judge whether outputting video signal of STB 10.STB start unit 121b is not in order to when STB 10 has outputting video signal, and life signal transmission elements 110 is sent power supply signal with starter motor top box 10.
See through above-mentioned module, can avoid recording device 100 to send power supply signal blindly, and cause STB 10 to close by error or open.
In the present embodiment, start judge module 121 comprises that also STB sign detecting unit 121c and STB restart unit 121d.STB sign detecting unit 121c is in order to after sending power supply signal to STBs 10 in signal transmission elements 110, and whether the picture of being exported with image identification technical Analysis STB 10 that vision signal was appeared comprises the STB sign of STB 10.So-called here STB sign is in order to discerning the sign of different types of STB, this type of STB sign in the start-up picture of some STBs, can occur, for example the multi-medium video-signal of Hinet (MOD) STB.Be with, in these STB kinds, whether occur according to the STB sign, can judge whether this STB successfully is activated.In addition; STB is restarted unit 121d in order to after not comprising the STB sign of STB 10 at the STB sign detecting unit 121c judgement picture that vision signal appeared; That is STB 10 is during normal boot-strap, and life STB start unit 121b restarts STB 10.
In the present embodiment, start judge module 121 also comprises audio signal analysis unit 121e and command unit 121f.Audio signal analysis unit 121e is in order to judge whether output audio signal of STB 10.For example, whether audio signal analysis unit 121e can exceed a preset threshold to judge whether this audio signal is quiet through audio signal amount of digital data within a certain period of time.If STB 10 output audio signal and audio signal, then machine representation top box 10 completion of having started shooting.And if STB 10 outputting video signals output audio signal not then possibly still be in the boot program by STB 10, or STB 10 presents the information notice of start menu or system.Be with, command unit 121f during in order to output audio signal at STB 10 outputting video signals and not, life information window detecting module 122 judges whether the picture that vision signal appears covered by information window.If the picture that this vision signal appeared is covered by information window, then the vision signal of machine representation top box 10 outputs possibly present the information notice of start menu or system, can notify this information window cancellation module 125 to eliminate the information window that this covers picture.
In the present embodiment, data handling component 120 comprises that also captions show that (on-screen display, OSD) analysis module 126 and first heavily send module 127.Whether captions display analysis module 126 is correctly received to judge this channel switch signal in order to show with the captions on the image recognition method analysis picture that vision signal appeared.So-called here captions demonstration is signal transmission elements 110 when sending the channel switch signal, the corresponding channel number on the picture that vision signal appeared of STB 10 outputs.For example, send the channel switch signal with converted channel to the 55 channels, numeral 55 can occur on the picture that then vision signal appeared when signal transmission elements 110.See through and judge that captions show the whether identical channel of making video recording of preengaging, and can avoid the channel switch signal to be received by error, and make STB 10 be transformed into wrong channel.In addition, first heavily send module 127 in order to when the channel switch signal is received by error, and life signal transmission elements 110 resends the channel switch signal, extremely preengages the channel of making video recording with the channel that interpreter top box 10 is received.
In the present embodiment, data handling component 120 comprises that also channel identification analysis module 128 and second heavily send module 129.Channel identification analysis module 128 in order to the channel that is received at interpreter top box 10 after, analyze the channel identification on the picture that vision signal was appeared with image recognition method, to judge whether the channel that STB 10 is transformed into serves as to preengage the channel of making video recording.So-called channel identification is the TV station of each channel in order to the figure of identification and/or the sign of literal.For example, channel identification possibly look for platform, in look, the figure and/or the symbol word marking of TV stations such as China looks, HBO.Second heavily send the channel of module 129 in order to be transformed at STB 10 channel identification and reservation make video recording channel channel identification not simultaneously; Life signal transmission elements 110 resends the channel switch signal, extremely preengages the channel of making video recording with the channel that interpreter top box 10 is received.
It should be noted that; The mode of operation of all types of STBs can be stored in advance recording device 100 in; And after which kind of STB the user specified desire to be made video recording, data handling component 120 promptly knew how to make signal transmission elements 110 transmit order to operate this STB.For example, method of operation can be the various infrared line code of controller top box, but not as limit.
In addition, be familiar with this field person when can be clear, the function of above-mentioned each module of mentioning all can (digital signal processor, DSP), a little hardware circuit of arranging in pairs or groups again be to realize by central processing unit (or microprocessor) and digital signal processor.Central processing unit or microprocessor are responsible for sending order and are given digital signal processor, make digital signal processor analyze image or sound, and the passback analysis result is given central processing unit or microprocessor.Then, central processing unit or microprocessor are operated to carry out the next one according to analysis result again.For example; The function of above-mentioned information window detecting module 122, vision signal judging unit 121a, STB sign detecting unit 121c, audio signal analysis unit 121e, captions display analysis module 126 and channel identification analysis module 128 can realize with DSP; And above-mentioned channel switch module 123, the module of making video recording 124, information window cancellation module 125, STB start unit 121b, STB are restarted the function that unit 121d, command unit 121f, first heavily send module 127, second heavily to send module 129 can realize that the function of start judge module 121 can use DSP and central processing unit or microprocessor to realize jointly with central processing unit or microprocessor.Yet function that it should be noted that each module and unit also can be only with central processing unit or microprocessor, or the device of other tool similar capabilities or circuit realize, and not with the above-mentioned limit that is illustrated as.
Moreover; In certain embodiments; Above-mentioned first heavily send module 127, second heavily to send module 129 and channel switch module 123 can be integrated into one or two module or unit; And in other embodiment, STB start unit 121b, STB are restarted unit 121d, command unit 121f also can be integrated into one or two module or unit.
Another aspect of the present invention is to provide a kind of error-preventing method of making video recording, and it can be applicable on the recording device, to assist the TV programme that the user is expected under the correct record of recording device.The error-preventing method of making video recording program capable of using is carried out real work, and program can be stored in the Storage Media of electronic installation such as computer, mobile phone, panel computer or embedded system, and sees through these devices and read program in this Storage Media to carry out.Storage Media can be memory body, hard disk, CD, network data base etc. and is familiar with the Storage Media that this field person can think and have identical function easily.
At following embodiments of the invention, the error-preventing method of making video recording is applied on the recording device, and this recording device is connected with STB.
Fig. 2 is the flow chart according to the error-preventing method 200 of making video recording that embodiments of the invention illustrated.The error-preventing method 200 of making video recording comprises step 210-250.In step 210,, begin to carry out the mistake proofing program of making video recording when the user is default when the time of making video recording arrives.
At first, whether recording device execution in step 220, that is analytical engine top box vision signal and the audio signal exported are normal program picture or sound according to vision signal and audio signal, whether accomplish start to judge STB.If STB is not accomplished start as yet, then the recording device repeated execution of steps 220, accomplish start up to STB.So can avoid when STB is started shooting completion as yet, recording device promptly transmits order and gives STB and cause the reception of error of set-top box ground maybe can't receive order.
After STB was accomplished start, whether recording device execution in step 230, that is the vision signal of analytical engine top box output covered by information window to judge the picture that vision signal is appeared.So-called here information window is meant automatic appearance and is covered in the static form on the picture that it can be advertisement, notifications or user's menu etc.If the picture that vision signal appeared is not covered by any information window, then the recording device execution in step 240, that is command signal conveying element transmission channel switch signal, extremely preengage the channel of making video recording with the channel that the interpreter top box is received.The so-called here channel of making video recording of preengaging is preset the specific channel that will make video recording for the user.Signal transmission elements can be recording device inner or external infrared projector, blue bud signal projector or other wired or wireless signal projector.
At last, after channel is made video recording in channel switch that STB received to reservation, recording device execution in step 250, that is begin to make video recording, and record film down can be stored in the storage device, for example hard disk, coil or memory card with oneself, but not as limit.
See through recording device and carry out above-mentioned steps 210-250; Can avoid recording device 100 not accomplish start as yet at STB 10; Or picture that vision signal appears sends order when being covered by information window and gives STB 10, causes recording device to record the picture or the program of mistake and avoid order to be performed.
In the present embodiment, step 220 can comprise substep 221 and 222, and is as shown in Figure 3.
In addition, as shown in Figure 4, step 220 can also comprise substep 223 in the present embodiment.Substep 223 is performed behind substep 222.In substep 223, after making signal transmission elements send power supply signal, whether the picture that vision signal was appeared that recording device is exported with image identification technical Analysis STB comprises the STB sign of STB.So-called here STB sign is in order to the sign of the STB of identification kind, this type of STB sign in the start-up picture of some STBs, can occur.Be with, in some STB kinds, whether occur according to the STB sign, recording device can judge whether this STB successfully is activated.If picture that vision signal appeared does not comprise the STB sign of STB, that is STB is during normal boot-strap, and then recording device is carried out substep 222 and sent power supply signal once more.
In some other embodiment, step 220 can comprise also that substep 226,227 and 228 is as shown in Figure 5.In substep 226, recording device is judged whether output audio signal of STB behind the STB outputting video signal.If on behalf of set-top-box opening, the STB output audio signal then accomplish.And if STB outputting video signal output audio signal not then possibly be that STB still is in the boot program, or STB presents the information notice of start menu or system.At this moment, recording device is carried out substep 227, judges whether the picture that vision signal appears covered by information window.If the picture that this vision signal appeared is covered by information window, then recording device is further carried out substep 228, and the life signal transmission elements is sent an information window erasure signal, eliminates information window to make STB.Then recording device is carried out substep 226 once more, to judge whether output audio signal of STB.Perhaps, if picture is not covered by information window, the program of recording device is also got back to substep 226, waits for the set-top-box opening completion.
In some other embodiment, the error-preventing method 100 of making video recording also comprises step 231, and is as shown in Figure 6.If in step 230; The picture that vision signal appeared is covered by information window; Then recording device execution in step 231 that is life signal transmission elements are sent the information window erasure signal; Eliminate this information window with the command machine top box,, or avoid making recording device to record the picture of mistake in order to avoid STB can't be carried out the order that signal transmission elements is sent.
At some other embodiment; After step 240 signal transmission elements is sent the channel switch signal; Recording device can be in addition sees through the image identification technology, and whether the picture after correct converted channel, the conversion is normal to judge STB, and/or the channel after whether changing is for preengaging the channel of making video recording.Be with, the error-preventing method 100 of making video recording can also comprise step 241, step 242, step 243 and step 244.Need chat bright earlier is that step 241,242,243,244 all visual actual needs in different embodiment is omitted.For example, direct execution in step 250 after recording device execution in step 241, or after the execution in step 241, can follow execution in step 244.And clearly, step 241 also can be omitted in certain embodiments, so the included step of the error-preventing method 100 of making video recording is not with the limit that is depicted as among Fig. 6.
After sending the channel switch signal, the captions on the picture that recording device execution in step 241 is promptly analyzed vision signal and appeared show, to judge that whether the channel switch signal is by reception correctly.If the channel switch signal is received by error, then recording device execution in step 240 is again sent the channel switch signal to make signal transmission elements, channel to the reservation that is received with the interpreter top box channel of making video recording.Wherein, so-called captions demonstration is signal transmission elements when sending the channel switch signal, the corresponding channel number on the picture that vision signal appeared of STB output.
Behind the channel that the interpreter top box is received, recording device execution in step 242, whether the vision signal of analytical engine top box output covered by information window to judge the picture that vision signal is appeared.If picture is covered by information window, then the recording device execution in step 243, see through signal transmission elements and eliminate this information window with the command machine top box.And after channel is made video recording in the channel switch that is received to reservation, if the picture that vision signal appeared of STB output is not covered by any information window, then begin to make video recording.Through execution in step 242, step 243, can avoid being converted to reservation and make video recording behind the channel at STB, the information window on the vision signal institute picture displayed is advanced in record by error, like advertising message or notifications information.
Behind the channel that the interpreter top box is received, recording device execution in step 244 is analyzed the channel identification on the picture that vision signal appeared, to judge whether the channel that STB is transformed into serves as to preengage the channel of making video recording.If the channel identification of the channel that STB was transformed into is different with the channel identification of preengaging the channel of making video recording; Recording device execution in step 240 again then; Make signal transmission elements repeat to send the channel switch signal, extremely preengage the channel of making video recording with the channel that the interpreter top box is received.Wherein, so-called channel identification be each channel TV station in order to the figure of identification and/or the sign of literal.For example, channel identification possibly look for platform, in look, the figure and/or the symbol word marking of TV stations such as China looks, HBO.
The error-preventing method 100 of making video recording can be applicable to the recording device 100 of the embodiment that paints as Fig. 1, and the details that realizes and this embodiment's is similar, so do not give unnecessary details at this.Yet it should be noted that the error-preventing method 100 of making video recording also can be applicable in other different recording device, does not exceed with the foregoing description.
See through to use the above embodiments, can judge whether STB has accomplished whether the picture of start, STB output is covered by information window and whether channel is converted to and preengages the channel of making video recording.See through these judgement and see through recording device and make corresponding action automatically, the TV programme that can make recording device correctly record the user to be expected.
Though the present invention discloses as above with embodiment; Right its is not in order to limiting the present invention, anyly is familiar with this art, do not breaking away from the spirit and scope of the present invention; When can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the scope that appending claims defines.
Claims (15)
1. the error-preventing method of making video recording is applied to a recording device, it is characterized in that, this recording device connects a STB, and this error-preventing method of making video recording comprises:
Whether a vision signal and the audio signal (a) exported according to this STB accomplish start to judge this STB;
(b) after this STB is accomplished start, analyze this vision signal of this STB output, covered by an information window to judge the picture that this vision signal is appeared;
(c) when the picture that this vision signal appeared is not covered by any information window, order a signal transmission elements and send a channel switch signal, to change channel to a reservation that this STB the received channel of making video recording; And
(d) after channel is made video recording in channel switch to this reservation that this STB received, begin to make video recording, and will be stored in the storage device by the film under the record.
2. the error-preventing method of making video recording according to claim 1 is characterized in that, step (a) comprising:
Judge whether to receive this vision signal that this STB is exported,
If do not receive this vision signal that this STB is exported, then order this signal transmission elements and send a power supply signal, to start this STB.
3. the error-preventing method of making video recording according to claim 2 is characterized in that, step (a) also comprises:
Send this power supply signal to this STB, analyzing the STB sign whether the picture that this vision signal appeared that this STB exports comprises this STB; And
If the picture that this vision signal appeared does not comprise this STB sign of this STB, judge that then this STB starts failure, and order this signal transmission elements and restart this STB.
4. the error-preventing method of making video recording according to claim 2 is characterized in that, step (a) also comprises:
Judge whether to receive this audio signal that this STB is exported,
If receive this vision signal and do not receive this audio signal, whether the picture of then judging this vision signal and being appeared covered by another information window; And
If this another information window of picture that this vision signal appeared is covered, then order this signal transmission elements and send an information window erasure signal, eliminate this another information window to make this STB.
5. the error-preventing method of making video recording according to claim 1 is characterized in that, also comprises:
When picture that this vision signal appeared is covered by this information window, order this signal transmission elements and send an information window erasure signal, eliminate this information window to make this STB.
6. the error-preventing method of making video recording according to claim 1 is characterized in that, also comprises:
After channel is made video recording in channel switch to this reservation that this STB received, analyze this vision signal of this STB output, covered by another information window to judge at the picture that this vision signal was appeared; And
When picture that this vision signal appeared is covered by this another information window, order this signal transmission elements and send an information window erasure signal, eliminate this another information window to make this STB.
7. the error-preventing method of making video recording according to claim 1 is characterized in that, also comprises:
Whether captions of analyzing on the picture that this vision signal appears show correctly received to judge this channel switch signal; And
If this channel switch signal is received by error, then order this signal transmission elements and repeat to send this channel switch signal, to change channel to this reservation that this STB received channel of making video recording.
8. the error-preventing method of making video recording according to claim 1 is characterized in that, also comprises:
Behind conversion channel that this STB received, analyze the channel identification on the picture that this vision signal appears, whether be this reservation channel of making video recording to judge channel that this STB is transformed into; And
The channel identification of channel is different if the channel identification of the channel that this STB was transformed into and this reservation are made video recording, and then orders this signal transmission elements and repeats to send this channel switch signal, to change channel to this reservation that this STB received channel of making video recording.
9. a recording device is characterized in that, comprising:
One signal transmission elements; And
One data handling component comprises:
Whether one start judge module in order to a vision signal and an audio signal of exporting according to a STB, accomplishes start to judge this STB;
Whether one information window detecting module after accomplishing start at this STB, is analyzed this vision signal of this STB output, covered by an information window to judge the picture that this vision signal is appeared;
One channel switch module in order to when the picture that this vision signal appeared is not covered by any information window, is ordered this signal transmission elements and is sent a channel switch signal, to change channel to a reservation that this STB the received channel of making video recording; And
One module of making video recording begins to make video recording after making video recording channel in channel switch to this reservation that this STB received, and will be stored in the storage device by the film under the record.
10. recording device according to claim 9 is characterized in that, this data handling component also comprises:
One information window cancellation module sends an information window erasure signal covers picture with elimination information window in order to order this signal transmission elements.
11. recording device according to claim 10 is characterized in that, this start judge module comprises:
Whether one vision signal judging unit exports this vision signal in order to judge this STB; And
One STB start unit in order to when this STB is not exported this vision signal, is ordered this signal transmission elements and is sent a power supply signal to start this STB.
12. recording device according to claim 11 is characterized in that, this start judge module also comprises:
One STB sign detecting unit in order to send this power supply signal to this STB in this signal transmission elements, is analyzed the STB sign whether the picture that this vision signal appeared that this STB exports comprises this STB; And
One STB is restarted the unit, after not comprising this STB sign of this STB at this STB sign detecting unit judgement picture that this vision signal appeared, orders this STB start unit and restarts this STB.
13. recording device according to claim 11 is characterized in that, this start judge module also comprises:
Whether one audio signal analysis unit exports this audio signal in order to judge this STB; And
One command unit; When not exporting this audio signal in order to export this vision signal at this STB; Whether order the picture that this information window detecting module judges that this vision signal appears covered by another information window; If the picture that this vision signal appeared is covered by this another information window, then notify this information window cancellation module to eliminate the information window that this covers picture.
14. recording device according to claim 10 is characterized in that, this data handling component also comprises:
Whether one captions display analysis module shows in order to captions of analyzing on the picture that this vision signal appears, correctly received to judge this channel switch signal; And
One first heavily send module, in order to when this channel switch signal is received by error, orders this signal transmission elements and resends this channel switch signal, to change channel to this reservation that this STB received channel of making video recording.
15. recording device according to claim 10 is characterized in that, this data handling component also comprises:
One channel identification analysis module in order to behind conversion channel that this STB received, is analyzed the channel identification on the picture that this vision signal appears, and whether is this reservation channel of making video recording to judge channel that this STB is transformed into; And
One second heavily send module; In order to the channel identification of the channel of making video recording in the channel identification of the channel that this STB was transformed into and this reservation not simultaneously; Order this signal transmission elements and resend this channel switch signal, to change channel to this reservation that this STB received channel of making video recording.
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| CN201210252607XA CN102833623A (en) | 2012-07-20 | 2012-07-20 | Video-recording mistake-proofing method and video-recording device |
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Application publication date: 20121219 |