CN113179401A - Sound field correction method, terminal and computer readable storage medium - Google Patents
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- H—ELECTRICITY
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Abstract
The invention provides a sound field correction method, a terminal and a computer readable storage medium, wherein the sound field correction method comprises the following steps: establishing communication connection with a remote control end; when a sound field correction instruction sent by a user is received, determining the current direction of a remote control end; and searching sound parameter information corresponding to the current direction according to the current direction, and correcting the current sound field according to the sound parameter information. The invention utilizes the remote control end to represent the actual position of the user, establishes connection with the remote control end, automatically determines the sound field parameters by utilizing the current position of the remote control end, corrects the sound parameters, does not need the user to select the sound field parameters by himself, enables the current sound field to achieve the best sound effect for the user, and brings convenience to the user.
Description
Technical Field
The present invention relates to the field of sound field technologies, and in particular, to a sound field correction method, a terminal, and a computer-readable storage medium.
Background
When a terminal (such as a television) leaves a factory, various sound effect modes, sound curves, left and right channel parameters and the like are defaulted for a user to select or adjust. However, there is no clear standard when the user selects the sound effect mode, the sound curve, the left and right channel parameters, etc., and it is difficult to optimize the sound field of the terminal by selection; that is, the selection of sound field parameters is difficult for the user.
Therefore, the prior art has defects and needs to be improved and developed.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a sound field correction method, a terminal and a computer readable storage medium for solving the above-mentioned drawbacks of the prior art, and to solve the problem that the selection of sound field parameters in the prior art is difficult for users.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a sound field correction method, comprising:
establishing communication connection with a remote control end;
when a sound field correction instruction sent by a user is received, determining the current direction of a remote control end;
and searching sound parameter information corresponding to the current direction according to the current direction, and correcting the current sound field according to the sound parameter information.
In a further implementation manner, the establishing a communication connection with a remote control terminal includes:
and establishing communication connection with the remote control end through Bluetooth or a network.
In a further implementation manner, before determining the current orientation of the remote control end when receiving a sound field correction instruction issued by a user, the method further includes:
the method comprises the steps of pre-storing a plurality of directions in a preset area and sound effect reference data corresponding to the directions.
In a further implementation manner, the determining the current orientation of the remote control end when receiving a sound field correction instruction issued by a user includes:
when a sound field correction instruction sent by a user is received, playing preset audio;
controlling the remote control end to record the preset audio to obtain sound effect data;
and searching current sound effect reference data matched with the sound effect data, and determining a current position corresponding to the current sound effect reference data.
In a further implementation manner, the playing preset audio when receiving a sound field correction instruction issued by a user includes:
when a sound field correction instruction sent by a user is received, a remote control end is informed to enter a sound field correction mode;
and setting the current left and right channel balance value as a first preset value, and playing preset audio.
In a further implementation manner, the controlling the remote control end to record the preset audio to obtain sound effect data includes:
controlling the remote control end to record the preset audio, and adjusting the current left and right channel balance value from the first preset value to a second preset value according to a preset adjustment rule;
when the preset audio playing is finished, informing the remote control end to stop recording;
and acquiring audio data after the recording of the remote control end is finished, and converting the audio data into sound effect data.
In a further implementation manner, before searching for sound parameter information corresponding to the current position according to the current position and correcting the current sound field according to the sound parameter information, the method further includes:
the sound parameter information corresponding to a plurality of directions is stored in advance.
In a further implementation, the sound parameter information is a left and right channel balance value; the searching for the sound parameter information corresponding to the current position according to the current position and correcting the current sound field according to the sound parameter information includes:
searching a left and right sound channel balance value corresponding to the current position according to the current position;
and correcting the left and right sound channels of the current sound field according to the left and right sound channel balance value.
The present invention also provides a terminal, comprising: a memory, a processor and a sound field correction program stored on the memory and executable on the processor, the sound field correction program when executed by the processor implementing the steps of the sound field correction method as described above.
The present invention also provides a computer-readable storage medium storing a computer program executable for implementing the steps of the sound field correction method as described above.
The invention provides a sound field correction method, a terminal and a computer readable storage medium, wherein the sound field correction method comprises the following steps: establishing communication connection with a remote control end; when a sound field correction instruction sent by a user is received, determining the current direction of a remote control end; and searching sound parameter information corresponding to the current direction according to the current direction, and correcting the current sound field according to the sound parameter information. The invention utilizes the remote control end to represent the actual position of the user, establishes connection with the remote control end, automatically determines the sound field parameters by utilizing the current position of the remote control end, corrects the sound parameters, does not need the user to select the sound field parameters by himself, enables the current sound field to achieve the best sound effect for the user, and brings convenience to the user.
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FIG. 1 is a flow chart of a preferred embodiment of the sound field correction method of the present invention.
FIG. 2 is a flowchart illustrating the step S200 of the sound field correction method according to the present invention.
FIG. 3 is a schematic diagram illustrating the principle of amplitude curve acquisition in the preferred embodiment of the sound field correction method of the present invention.
FIG. 4 is a flowchart illustrating the step S210 in the preferred embodiment of the sound field correction method of the present invention.
FIG. 5 is a flowchart illustrating the step S220 of the sound field correction method according to the present invention.
FIG. 6 is a diagram illustrating an amplitude curve in a preferred embodiment of the sound field correction method of the present invention.
FIG. 7 is a flowchart illustrating the step S300 of the sound field correction method according to the present invention.
FIG. 8 is a flowchart illustrating sound field calibration between a television and a remote controller according to a preferred embodiment of the sound field calibration method of the present invention.
Fig. 9 is a functional block diagram of a preferred embodiment of the terminal of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention automatically corrects the sound field parameters of the terminal by detecting the current position of the remote control end, and because the sound effects of the same sound field parameter are different aiming at different positions, the invention automatically determines the optimal audio parameters according to the current position of the user, so that the sound effect of the user at the position is optimal, and the user does not need to select the optimal audio parameters by himself.
Referring to fig. 1, fig. 1 is a flow chart of a sound field correction method according to the present invention. As shown in fig. 1, the sound field correction method according to the embodiment of the present invention includes the steps of:
and S100, establishing communication connection with a remote control terminal.
In particular, the present invention is applicable to a terminal (e.g., a television) having a voice remote controller, and the remote control terminal may be a voice remote controller. That is, the present invention designs a hardware device including: the system comprises a terminal (such as a television) and a remote control end (such as a voice remote controller), wherein communication connection is established between the terminal and the remote control end.
In an implementation manner, the step S100 is specifically: and establishing communication connection with the remote control end through Bluetooth or a network.
Specifically, the terminal and the remote control end can be connected for communication in the modes of Bluetooth, 2.4G, wifi, 5G and the like.
In one implementation, a terminal includes: the device comprises an audio playing module, an audio recording module and an audio calibrating module. The audio playing module is used for setting a sound effect default value and playing a preset audio; the audio recording module is used for communicating with the remote control end, controlling the remote control end to record and receiving audio data of the remote control end, wherein the data is original received data and is not subjected to any sound effect processing; the audio calibration module is used for performing audio identification, calculating sound effect data such as the integrity of audio data, an audio curve and the like, then performing algorithm comparison identification with preset data, and intelligently calculating parameters to be adjusted through an algorithm, such as left and right sound channels, power amplifier parameters and the like.
The step S100 is followed by: and step S200, when a sound field correction instruction sent by a user is received, determining the current direction of the remote control end.
Generally, taking a television as an example, the central front of the television is a emperor position for watching and listening to the television, but each user has own preference, and then the emperor position of each user is the position where the user is located or a common position for the user when watching the television. The user can adjust the audio parameters of the television to the optimal audio parameters corresponding to the common position of the user, so that the user can enjoy the optimal sound effect. Specifically, the user may use the remote controller to represent his/her own position, for example, the user holds the remote controller with a hand, and sends a sound field correction instruction by using the remote controller, so that the terminal may automatically correct the current sound field according to the current position of the remote control end, and correct the sound parameters of the current sound field to the optimal audio parameters corresponding to the position.
In one implementation, the step S200 is preceded by: the method comprises the steps of pre-storing a plurality of directions in a preset area and sound effect reference data corresponding to the directions.
Specifically, the sound effect reference data has a conversion relationship with the orientation. The direction can be a coordinate point, each direction (xn, yn) can adjust the left and right sound channels while playing music at the position, and finally the signals are converted into a discrete sequence amplitude curve f (bn) represented by a finite number of numbers through sampling and quantization, wherein the amplitude curve f (bn) is the sound effect reference data. Through the operation, each model can collect a plurality of f (Bn) in advance, and the more the data is, the more accurate the subsequent matching is. That is, the azimuth (xn, yn) and the amplitude curve f (bn) have a one-to-one correspondence.
Further, referring to fig. 2, the step S200 specifically includes:
step S210, when a sound field correction instruction sent by a user is received, playing preset audio;
step S220, controlling a remote control end to record the preset audio to obtain sound effect data;
step S230, searching for current sound effect reference data matched with the sound effect data, and determining a current position corresponding to the current sound effect reference data.
That is, since the sound effects at different orientations are different, the resulting sound effect data are also different, that is, each orientation has specific sound effect data. The invention can determine the current position according to the collected sound effect data, and further obtain the optimal sound parameter information corresponding to the position.
Specifically, the position of the remote control end can represent the position of the user, and the optimal audio parameters at the current position of the user are automatically determined according to the recording sound effect of the remote control end, so as to achieve the optimal sound effect. The sound effect reference data and the sound effect data are amplitude curves. Referring to fig. 3, the sound effect reference data f (bn) includes a plurality of amplitude curves, such as f (B1), f (B2), f (B3), f (B4), f (B5), f (B6), f (B7) … …, where the sources of the plurality of predetermined curves are obtained by playing music and adjusting left and right channel balance at different positions of the terminal in the early stage, and the process is consistent with the collection method when the user performs calibration, and all the obtained data are converted into an amplitude curve data set. The n amplitude curves need to be acquired n times, and n depends on the precision required by the final product setting.
Further, referring to fig. 4, the step S210 specifically includes:
step S211, when receiving a sound field correction instruction sent by a user, informing a remote control end to enter a sound field correction mode;
step S212, setting the current left and right channel balance value as a first preset value, and playing a preset audio.
Specifically, when the terminal receives a sound field correction instruction sent by a user, the terminal informs the remote control end to enter a sound field correction mode, and the terminal sets the current left and right channel balance value to a first preset value (such as-X) and plays preset audio.
Further, referring to fig. 5, the step S220 specifically includes:
step S221, controlling a remote control end to record the preset audio, and adjusting the current left and right channel balance value from the first preset value to a second preset value according to a preset adjustment rule;
step S222, when the preset audio playing is finished, informing the remote control end of stopping recording;
and step S223, obtaining the audio data after the recording of the remote control end is finished, and converting the audio data into sound effect data.
Specifically, the remote control enters a sound field correction mode and then enters a recording state. And the terminal adjusts the current left and right channel balance value from the first preset value to a second preset value according to a preset adjustment rule, for example, the terminal gradually adjusts the left and right channel balance value from-X to X, when preset audio playing is finished, the remote control end is notified to stop recording, the remote control end can generate audio data according to the recording and send the audio data to the terminal. Referring to fig. 6, each piece of audio data may be sampled and quantized to convert it into a discrete series of amplitude curves represented by a finite number of numbers. After receiving the audio data, the terminal calculates the integrity of the audio data, the audio curve and other data by using the existing algorithm and stores the data as the sound effect data f (x).
In step S230, when searching for the current sound effect reference data f (bn) matching with the sound effect data f (x), a comparison recognition algorithm is used for matching. When a user performs sound field correction, audio data (namely recorded audio) of a emperor position (namely the position of a remote control end) which the user thinks is located is collected, and an amplitude curve f (x) of the position is obtained. The most similar one is matched from the f (bn) curve data set by an algorithm (an existing algorithm, which is not described herein). If the matching result is f (B4), the position of the current emperor's position is (x4, y 4).
The step S200 is followed by: and S300, searching sound parameter information corresponding to the current direction according to the current direction, and correcting the current sound field according to the sound parameter information.
Specifically, the present invention can search the corresponding sound parameter information according to the current position, and the sound parameter information is the optimal sound parameter information corresponding to the current position.
In one implementation, the step S300 further includes, before: the sound parameter information corresponding to a plurality of directions is stored in advance. Specifically, the sound parameter information is a data set of optimum parameter information corresponding to each orientation.
In a further implementation manner, the sound parameter information may be a left-right channel balance value, please refer to fig. 7, where the step S300 specifically includes:
step S310, searching a left and right sound channel balance value corresponding to the current direction according to the current direction;
and step S320, correcting the left and right sound channels of the current sound field according to the left and right sound channel balance value.
Specifically, for each orientation (xn, yn), the disc-jockey will have the best sound parameters preset for that location. Such as sound balance of the left and right channels. The general two-channel television left and right channel balance setting scheme is as follows: the sound channel balance value is S, the range is (-S, S), the sound channel balance value is related to the actual capability of the machine, and if the range is too large, sound breaking and other problems can be caused. For example, S has a value of 50, when the calculated channel balance value S is-50, the left channel gain is set to 50db, and the right channel gain is set to 10db, so that after the final sound superposition, the sound will be shifted to the left, and the user will perceive the sound as coming out from the left. When the channel balance value S is 50, the left channel gain is set to 10db and the right channel gain is set to 50 db. Then, after the final sound superposition, it will be shifted to the right, and the perception of the user is that the sound comes out from the right.
Therefore, the invention can adjust the audio parameters of the current sound field according to the actual emperor position of the user, so that the sound effect of the actual emperor position of the user can reach the best.
In addition, the invention can also consider the influence factors of the user environment in advance, such as the size of a house, whether the house is hung on the wall or not, the height of the house, the indoor decoration, the echo effect and the like, and provides the corresponding optimal audio parameters according to the influence factors, so that the user can achieve the optimal sound effect when using the terminal.
The following describes the sound field calibration process with reference to fig. 8.
S1, the television informs the remote controller to enter a sound field correction mode in a Bluetooth mode;
s2, the remote controller enters a recording state;
s3, the television sets the current left and right channel balance value as-X;
s4, playing preset audio by the television;
s5, gradually adjusting the balance value of the left channel and the right channel of the television from-X to X;
s6, when the preset audio is played by the television, informing the remote controller to stop recording;
s7, transmitting the recorded audio to a television by the remote controller;
s8, converting the audio data into sound effect data by the television, and matching and identifying the sound effect data and the sound effect reference data f (Bn);
s9, obtaining a corresponding azimuth (x, y) according to the matched sound effect reference data f (Bn);
and S10, correcting the corresponding left and right channel balance values according to the orientation (x, y).
Further, as shown in fig. 9, based on the sound field correction method, the present invention also provides a terminal, which includes a processor 10 and a memory 20. Fig. 9 shows only some of the components of the terminal, but it is to be understood that not all of the shown components are required to be implemented, and that more or fewer components may be implemented instead.
The memory 20 may in some embodiments be an internal storage unit of the terminal, such as a hard disk or a memory of the terminal. The memory 20 may also be an external storage device of the terminal in other embodiments, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like provided on the terminal. Further, the memory 20 may also include both an internal storage unit and an external storage device of the terminal. The memory 20 is used for storing application software installed in the terminal and various types of data, such as program codes for installing the terminal. The memory 20 may also be used to temporarily store data that has been output or is to be output. In an embodiment, the memory 20 stores a sound field correction program 30, and the sound field correction program 30 can be executed by the processor 10 to implement the sound field correction method of the present application.
The processor 10 may be a Central Processing Unit (CPU), microprocessor or other data Processing chip in some embodiments, and is used for running program codes stored in the memory 20 or Processing data, such as executing the sound field correction method.
In one embodiment, the following steps are implemented when the processor 10 executes the sound field correction program 30 in the memory 20:
establishing communication connection with a remote control end;
when a sound field correction instruction sent by a user is received, determining the current direction of a remote control end;
and searching sound parameter information corresponding to the current direction according to the current direction, and correcting the current sound field according to the sound parameter information.
The establishment of communication connection with the remote control terminal comprises:
and establishing communication connection with the remote control end through Bluetooth or a network.
When receiving a sound field correction instruction sent by a user, and before determining the current position of the remote control end, the method further comprises the following steps:
the method comprises the steps of pre-storing a plurality of directions in a preset area and sound effect reference data corresponding to the directions.
When a sound field correction instruction sent by a user is received, determining the current position of the remote control end comprises the following steps:
when a sound field correction instruction sent by a user is received, playing preset audio;
controlling the remote control end to record the preset audio to obtain sound effect data;
and searching current sound effect reference data matched with the sound effect data, and determining a current position corresponding to the current sound effect reference data.
When a sound field correction instruction sent by a user is received, playing preset audio, including:
when a sound field correction instruction sent by a user is received, a remote control end is informed to enter a sound field correction mode;
and setting the current left and right channel balance value as a first preset value, and playing preset audio.
The control remote control terminal is to predetermine the audio frequency and record, obtain the audio data, include:
controlling the remote control end to record the preset audio, and adjusting the current left and right channel balance value from the first preset value to a second preset value according to a preset adjustment rule;
when the preset audio playing is finished, informing the remote control end to stop recording;
and acquiring audio data after the recording of the remote control end is finished, and converting the audio data into sound effect data.
Before searching the sound parameter information corresponding to the current position according to the current position and correcting the current sound field according to the sound parameter information, the method further comprises the following steps:
the sound parameter information corresponding to a plurality of directions is stored in advance.
The sound parameter information is a left and right sound channel balance value; the searching for the sound parameter information corresponding to the current position according to the current position and correcting the current sound field according to the sound parameter information includes:
searching a left and right sound channel balance value corresponding to the current position according to the current position;
and correcting the left and right sound channels of the current sound field according to the left and right sound channel balance value.
The present invention also provides a computer-readable storage medium storing a computer program executable for implementing the steps of the sound field correction method as described above.
In summary, the present invention discloses a sound field correction method, a terminal and a computer-readable storage medium, wherein the sound field correction method includes: establishing communication connection with a remote control end; when a sound field correction instruction sent by a user is received, determining the current direction of a remote control end; and searching sound parameter information corresponding to the current direction according to the current direction, and correcting the current sound field according to the sound parameter information. The invention utilizes the remote control end to represent the actual position of the user, establishes connection with the remote control end, automatically determines the sound field parameters by utilizing the current position of the remote control end, corrects the sound parameters, does not need the user to select the sound field parameters by himself, enables the current sound field to achieve the best sound effect for the user, and brings convenience to the user.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A sound field correction method characterized by comprising:
establishing communication connection with a remote control end;
when a sound field correction instruction sent by a user is received, determining the current direction of a remote control end;
and searching sound parameter information corresponding to the current direction according to the current direction, and correcting the current sound field according to the sound parameter information.
2. The sound field calibration method of claim 1, wherein the establishing a communication link with a remote control end comprises:
and establishing communication connection with the remote control end through Bluetooth or a network.
3. The sound field correction method according to claim 1, wherein, when receiving a sound field correction instruction issued by a user, before determining the current orientation of the remote control terminal, further comprising:
the method comprises the steps of pre-storing a plurality of directions in a preset area and sound effect reference data corresponding to the directions.
4. The sound field correction method according to claim 3, wherein said determining the current orientation of the remote control terminal when receiving a sound field correction instruction issued by a user comprises:
when a sound field correction instruction sent by a user is received, playing preset audio;
controlling the remote control end to record the preset audio to obtain sound effect data;
and searching current sound effect reference data matched with the sound effect data, and determining a current position corresponding to the current sound effect reference data.
5. The sound field correction method according to claim 4, wherein said playing preset audio upon receiving a sound field correction instruction issued by a user, comprises:
when a sound field correction instruction sent by a user is received, a remote control end is informed to enter a sound field correction mode;
and setting the current left and right channel balance value as a first preset value, and playing preset audio.
6. The sound field correction method according to claim 5, wherein the controlling the remote control end to record the preset audio to obtain sound effect data comprises:
controlling the remote control end to record the preset audio, and adjusting the current left and right channel balance value from the first preset value to a second preset value according to a preset adjustment rule;
when the preset audio playing is finished, informing the remote control end to stop recording;
and acquiring audio data after the recording of the remote control end is finished, and converting the audio data into sound effect data.
7. The sound field correction method according to claim 3, wherein before searching for sound parameter information corresponding to the current orientation according to the current orientation and correcting the current sound field according to the sound parameter information, the method further comprises:
the sound parameter information corresponding to a plurality of directions is stored in advance.
8. The sound field correction method according to claim 7, characterized in that the sound parameter information is left and right channel balance values; the searching for the sound parameter information corresponding to the current position according to the current position and correcting the current sound field according to the sound parameter information includes:
searching a left and right sound channel balance value corresponding to the current position according to the current position;
and correcting the left and right sound channels of the current sound field according to the left and right sound channel balance value.
9. A terminal, comprising: a memory, a processor and a sound field correction program stored on the memory and executable on the processor, the sound field correction program when executed by the processor implementing the steps of the sound field correction method as claimed in any one of claims 1 to 8.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program executable for implementing the steps of the sound field correction method according to any one of claims 1 to 8.
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| CN106851469A (en) * | 2017-02-16 | 2017-06-13 | 深圳创维－Rgb电子有限公司 | It is a kind of to adjust the method and apparatus that audio amplifier exports audio |
| CN110022487A (en) * | 2018-01-08 | 2019-07-16 | 腾讯科技（深圳）有限公司 | Volume adjusting method and device |
| CN110418273A (en) * | 2018-04-27 | 2019-11-05 | 深圳Tcl新技术有限公司 | A kind of intelligence adjusts the method, apparatus and storage medium of effect of sound field |
| CN112235688A (en) * | 2020-09-25 | 2021-01-15 | 深圳市火乐科技发展有限公司 | Method and device for adjusting sound field |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113709629A (en) * | 2021-08-26 | 2021-11-26 | 深圳创维－Rgb电子有限公司 | Frequency response parameter adjusting method, device, equipment and storage medium |
| WO2024051638A1 (en) * | 2022-09-05 | 2024-03-14 | 华为技术有限公司 | Sound-field calibration method, and electronic device and system |
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