CN114222180A - Audio parameter adjusting method and device, storage medium and electronic equipment - Google Patents
Audio parameter adjusting method and device, storage medium and electronic equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
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Abstract
The application provides an audio parameter adjusting method, an audio parameter adjusting device, a storage medium and electronic equipment. The audio parameter adjusting method comprises the steps of obtaining space layout information of a current scene and obtaining distance information of each object in the current scene; playing a first audio and acquiring a second audio of the first audio after the first audio is spread in a current scene; acquiring audio adjustment parameters according to the spatial layout information, the distance information and the second audio; and adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters. According to the method and the device, the audio parameters of the electronic equipment are adjusted according to actual scenes, so that the adjusted audio parameters can guarantee the sound effect under corresponding scenes, and the usability of audio parameter adjustment is improved.
Description
Technical Field
The present application relates to the field of audio processing technologies, and in particular, to an audio parameter adjustment method, an audio parameter adjustment device, a storage medium, and an electronic device.
Background
With the continuous improvement of the living standard of people, a television is one of household appliances with the highest retention amount and becomes a part of daily life of people, the requirement of people on the definition of a display picture of the television is higher and higher, and the requirement on the sound effect of the television is also higher. By adjusting the audio parameters of the television, an ideal sound effect can be achieved.
The audio parameters are used as an important technical index for measuring the sound effect, and are debugged in a fixed test room environment at present, but the audio parameters debugged in this way only can ensure the sound effect in the test room environment, and the usability is poor.
Disclosure of Invention
The embodiment of the application provides an audio parameter adjusting method, an audio parameter adjusting device, a storage medium and electronic equipment, which can improve the usability of audio parameter adjustment.
The embodiment of the application provides an audio parameter adjusting method, which is applied to electronic equipment and comprises the following steps:
acquiring spatial layout information of a current scene and distance information of each object in the current scene;
playing a first audio and acquiring a second audio of the first audio after the first audio is spread in a current scene;
acquiring audio adjustment parameters according to the spatial layout information, the distance information and the second audio;
and adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters.
The embodiment of the present application further provides an audio parameter adjusting device, which is applied to an electronic device, and includes:
the first acquisition module is used for acquiring the spatial layout information of the current scene and acquiring the distance information of each object in the current scene;
the second acquisition module is used for playing the first audio and acquiring a second audio of the first audio after the first audio is spread in the current scene;
the third acquisition module is used for acquiring audio adjustment parameters according to the spatial layout information, the distance information and the second audio;
and the parameter adjusting module is used for adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters.
The embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the storage medium, and the computer program is executed by a processor to implement the steps in any one of the audio parameter adjusting methods provided in the embodiments of the present application.
The embodiment of the present application further provides an electronic device, where the electronic device includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, and the processor executes the computer program to implement the steps in any one of the audio parameter adjustment methods provided in the embodiments of the present application.
The audio parameter adjusting method provided by the embodiment of the application obtains the spatial layout information of the current scene and obtains the distance information of each object in the current scene; playing a first audio and acquiring a second audio of the first audio after the first audio is spread in a current scene; acquiring audio adjustment parameters according to the spatial layout information, the distance information and the second audio; and adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters. According to the method and the device, the audio parameters of the electronic equipment are adjusted according to actual scenes, so that the adjusted audio parameters can guarantee the sound effect under corresponding scenes, and the usability of audio parameter adjustment is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic view of an application scenario of an audio parameter adjustment method according to an embodiment of the present application.
Fig. 2 is a schematic flowchart of a first method for adjusting audio parameters according to an embodiment of the present disclosure.
Fig. 3 is a second flowchart of an audio parameter adjustment method according to an embodiment of the present disclosure.
Fig. 4 is a third flowchart illustrating an audio parameter adjustment method according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of an audio parameter adjusting apparatus according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All embodiments obtained by a person skilled in the art based on the embodiments in the present application without any inventive step are within the scope of the present invention.
The terms "first," "second," "third," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, or apparatus, terminal, system comprising a list of steps is not necessarily limited to those steps or modules or elements expressly listed, and may include other steps or modules or elements not expressly listed, or inherent to such process, method, apparatus, terminal, or system.
An execution main body of the audio parameter adjusting method may be the audio parameter adjusting device provided in the embodiment of the present application, or an electronic device integrated with the audio parameter adjusting device, where the image audio parameter adjusting device may be implemented in a hardware or software manner.
For example, referring to fig. 1, fig. 1 is a schematic view of an application scenario of an audio parameter adjustment method according to an embodiment of the present application. Taking a television as an example, the television can play audio. As a device with high use frequency, the television has various use scenes, can be used at home and outdoors, can be used in meeting rooms, can be used for video entertainment, can be used for displaying working contents and the like. And the same television plays the same audio frequency in different scenes, and even if the same sound setting is carried out, the played sound effect is different due to different scenes.
For example, some users have a small watching space, and hear the sound with a certain rumbling feeling, so that the people in the television cannot hear the sound clearly; some users have a large watching space, the heard sound is thin, and the human voice lacks some magnetism; in some viewing environments of users, reflected sound is serious, the heard sound can be obviously reverberated, and in some viewing environments, the heard sound is dry and unnatural.
When a sound source radiates a sound wave to a space, a region where the sound wave exists is called a sound field. In the outdoor environment, if the sound is not obstructed and disturbed during the propagation, such a sound field is called a free sound field, and in the indoor environment, when the sound wave radiated by the sound source propagates to the interface, part of the sound energy is absorbed, part of the sound energy is reflected, and after multiple reflections, the sound energy density is weakened to the extent that the sound energy density can be ignored. When the sound source continuously and stably radiates sound waves, the sound energy of each point in space is the result of superposition of sound waves from all directions. In which the sound wave that is not reflected and propagates directly from the sound source to a certain point is called direct sound, and the superposition of the once and many reflected sound waves is called reverberant sound.
The indoor sound field is synthesized by direct sound and reverberant sound, the sound energy density of the direct sound is attenuated according to the inverse square law, and the sound energy density of the reverberant sound can be approximately considered to be equal everywhere. The size of reverberant sound energy is related to the space size and the average sound absorption coefficient of each interface, besides the radiation power of the sound source. Thus, the same audio parameters have different sound manifestations in different scenes. For example, in the scene shown in fig. 1, the sound effect that the user finally hears is the effect of the superposition of the direct sound emitted by the television and the reverberant sound reflected by the sofa, the electric lamp, the wall, and the like in the scene.
For the above reasons, even if perfect audio parameters are adjusted in a laboratory, it is difficult to achieve a sound effect satisfying the expectation in an actual use scene. Many times, the user still needs to manually adjust the television by himself, and the learning cost and the time cost are spent to obtain the ideal sound effect.
The audio parameter adjusting method provided by the application acquires spatial layout information of a current scene and distance information of each object in the current scene; playing a first audio and acquiring a second audio of the first audio after the first audio is spread in a current scene; acquiring audio adjustment parameters according to the spatial layout information, the distance information and the second audio; and adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters. Therefore, the audio parameters of the electronic equipment can be adjusted according to actual scenes, so that the adjusted audio parameters can ensure the sound effect in corresponding scenes, and the usability of audio parameter adjustment is improved. Through the automatic adjustment of the audio parameters, when the audio is played again, the audio parameters after the adjustment can be automatically used for playing the audio, the user does not need to manually adjust the audio again, and the learning cost and the time cost of the user are saved.
The following are detailed below. The order of the following examples is not intended to limit the preferred order of the examples.
Referring to fig. 2, fig. 2 is a first flowchart illustrating an audio parameter adjustment method according to an embodiment of the present disclosure. The audio parameter adjusting method is applied to the electronic equipment and can comprise the following steps:
110. the method comprises the steps of obtaining space layout information of a current scene and obtaining distance information of each object in the current scene.
The spatial layout information is used for representing the structure, the components, the relative positions and nodes of the components, the shapes, the placement forms and the like of the space.
In the embodiment of the application, the electronic device may include a camera, the scene image of the current scene is obtained through shooting by the camera, and the spatial layout information of the current scene is obtained according to the scene image. The spatial layout information of the current scene may include a room type, a furniture layout, a user location, and the like of the current scene. The room type may be, for example, a living room, a bedroom, a kitchen, a conference room, etc.
For example, in the scenario shown in fig. 1, the room type is a living room, the furniture included in the scenario includes a desk lamp, a television cabinet and a sofa, and the user location is the location in which the user is located.
In this embodiment, the distance information of each object, that is, the distance from the electronic device to each object in the current scene, may include a distance between the electronic device and a wall, a distance between the electronic device and each piece of furniture, a distance between the electronic device and a listener, and the like.
For example, in the scenario shown in fig. 1, the listener refers to a user watching television, and the distance between the electronic device and the listener refers to the distance between the user and the television.
In the embodiment of the application, an ultrasonic wave emitting device and an ultrasonic wave receiving device can be arranged in the electronic equipment, and the distance information of each object in a scene is obtained through ultrasonic ranging. The principle is that the ultrasonic transmitting device transmits ultrasonic waves to a certain direction, the timer starts to time at the same time of transmitting time, the ultrasonic waves propagate in the air and return immediately when encountering an obstacle in the process, and the timer stops timing immediately when the ultrasonic receiving device receives reflected waves. And multiplying the time recorded by the timer by the propagation speed of the ultrasonic wave in the air by 340m/s to obtain the total distance of the ultrasonic wave propagating back and forth in the air. And dividing the total distance by 2 to obtain the distance between the electronic equipment and the obstacle.
In the ultrasonic ranging of the present application, the obstacle may be a wall, furniture, a listener, or the like.
120. And playing the first audio, and acquiring a second audio of the first audio after the first audio is propagated in the current scene.
In the embodiment of the application, the electronic device may further include a speaker and a microphone. The first audio is played through the loudspeaker, and the second audio after the first audio is spread in the current scene is obtained through the microphone. The first audio may be a test audio, or an audio that is normally played by the device, for example, a movie and a television play audio played by a television.
After the first audio is played through the loudspeaker, the first audio is influenced by the current scene, when the sound wave of the first audio is transmitted to an interface such as a wall, a furniture surface and the like, part of sound energy is absorbed, part of sound energy is reflected, and sound energy of each point in space is a result of superposition of sound waves from all directions. In which the sound wave that is not reflected and propagates directly from the sound source to a certain point is called direct sound, and the superposition of the once and many reflected sound waves is called reverberant sound.
Finally, the second audio, received at the microphone, is the result of the superposition of the direct sound and the reverberant sound of the first audio. By acquiring the second audio frequency of the first audio frequency after the first audio frequency is transmitted in the current scene, the influence of the current scene on sound transmission can be determined by comparing the first audio frequency and the second audio frequency.
130. And acquiring audio adjusting parameters according to the spatial layout information, the distance information and the second audio.
After the spatial layout information, the distance information, and the second audio are obtained, the audio adjustment parameter may be obtained according to the spatial layout information, the distance information, and the second audio.
The spatial layout information further includes room types, furniture layouts and user positions, in the embodiment of the application, various room types and corresponding audio adjustment templates can be mapped and stored in advance, so that after the room type of the current environment is determined, the electronic device can match the corresponding audio adjustment templates according to the room types, and then the audio adjustment parameters are obtained by combining the distance information of each object, the second audio, the furniture layouts in the spatial layout information and the user positions.
In the process of broadcasting the first audio to the second audio, reverberation is generated under the influence of the spatial structure of the current scene, and the reverberation information of the second audio in the current scene can be acquired by comparing the first audio with the second audio. And then, combining the frequency response information extracted from the second audio, obtaining the frequency response information and the reverberation information of the second audio in the current scene, and determining the audio adjusting parameters according to the audio adjusting template, the frequency response information, the reverberation information, the furniture layout, the user position and the distance information of each object.
In this embodiment of the application, the step of obtaining the audio adjustment parameter according to the spatial layout information, the distance information, and the second audio may be performed inside the electronic device.
Alternatively, in order to save the storage space of the electronic device and improve the efficiency of audio parameter adjustment, these steps may also be performed in the cloud. And after determining the audio adjusting parameters, the cloud server transmits the audio adjusting parameters back to the electronic equipment. The electronic equipment receives the audio adjusting parameters transmitted back from the cloud server so as to adjust the audio parameters of the electronic equipment according to the audio adjusting parameters.
140. And adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters.
In this embodiment, the audio parameters of the electronic device may include a frequency response parameter, a reverberation time, a volume, and the like, and the audio adjustment parameter is used to adjust the audio parameters of the electronic device, and may include an equalizer setting parameter, a target reverberation time, a sound setting parameter, and the like.
Referring to fig. 3, fig. 3 is a second flowchart illustrating an audio parameter adjustment method according to an embodiment of the present disclosure. In this embodiment of the application, the step of adjusting the audio parameter of the electronic device according to the audio adjustment parameter may include:
1401. and controlling the equalizer to adjust the frequency response parameters of the electronic equipment according to the equalizer setting parameters.
In the embodiment of the application, the electronic equipment is provided with the equalizer, so that the frequency response parameters of the electronic equipment can be controlled. An Equalizer (Equalizer) is an electronic device capable of adjusting the amplification of electric signals with various frequency components, compensates the defects of a loudspeaker and a sound field by adjusting the electric signals with various frequencies, compensates and modifies various sound sources and other special effects.
In the method, the frequency response adjusting mode of the equalizer is flexibly controlled by setting parameters of the equalizer, so that the frequency response adjusting mode of the equalizer is not limited to respectively adjusting high, middle and low three-section frequencies, and the flexibility of the equalizer in adjusting the audio frequency response effect is improved. For example, the equalizer setting parameters may be used to control the equalizer to adjust the electrical signal at a particular frequency and/or to adjust the electrical signal at a particular frequency interval, and the like.
1402. Adjusting the reverberation time of the electronic device to a target reverberation time.
The reverberation time of audio refers to the time required for the reverberant sound energy density in a room to decay to one millionth of its original value after the sound source has stopped vibrating.
The target reverberation time is used to achieve: from the time the audio is played, the room acoustic energy density decays to one millionth of the original value of the original audio over the target reverberation time. The target reverberation time can be achieved by adding an appropriate delay (amount of time delay of the sound signal) to the audio of the electronic device. Through time delay processing, the expansion of a sound field is achieved, the stereoscopic impression of sound is enhanced, the sound image position is expanded by utilizing a cross anti-series enhancement principle, the space stereoscopic impression is caused, meanwhile, the continuation of the sound in time is processed by utilizing time delay, the fullness and reverberation effect of the sound are enhanced, the time stereoscopic impression is simulated, and the sound is more attractive and enjoyable.
1403. And adjusting the volume of the electronic equipment according to the sound setting parameters.
The sound setting parameters are used to control some sound settings of the electronic device itself, such as the volume level of the electronic device, etc. For a scene with a larger space, the volume of the electronic device can be adjusted to be larger so as not to hear the sound clearly, and for a scene with a smaller space, the volume of the electronic device can be adjusted to be smaller so as not to generate the feeling of booming. And adjusting the volume of the electronic equipment according to the sound setting parameters so as to realize a better sound effect by matching with the frequency response parameters and the reverberation time.
It should be noted that, the sequence of the steps 1401 to 1403 is not limited in this application. Steps 1401 to 1403 may be performed in the order exemplified above, may be performed in an order not exemplified above, or may be performed simultaneously.
In the embodiment of the application, the preset audio adjusting template is matched through the room type, so that the coarse adjustment of the sound effect is realized, the sound effect meeting the current scene is preliminarily realized, the frequency response parameters, the reverberation time, the volume and the like of the electronic equipment are further adjusted on the basis of the template, the fine adjustment of the sound effect is realized, and the sound effect in the current scene is further improved.
Moreover, the electronic equipment automatically obtains the audio adjustment parameters through the relevant parameters of the current scene, and the audio parameters of the electronic equipment are adaptively adjusted through the audio adjustment parameters, so that the user does not need to learn how to adjust the sound effect, and the time cost and the energy cost of the user for learning and adjusting are reduced.
The method according to the previous embodiment is described in further detail below by way of example.
Referring to fig. 4, fig. 4 is a third flowchart illustrating an audio parameter adjusting method according to an embodiment of the present disclosure. In this embodiment, an example will be described in which the electronic device is a television, and the audio parameter adjusting method may include:
201. the television obtains a scene image of the current scene through shooting by the camera.
In the television, a sound field self-adaptive function can be set, and when the television is started, the sound field self-adaptive function is automatically started to adjust the sound effect during audio playing. Or, a sound field adaptive function button can be set, and the sound field adaptive function of the television is started by triggering the sound field adaptive function button. The sound field adaptive function button can be arranged on the television, and also can be arranged on a device (such as a remote controller) for controlling the television, and the triggering mode can be pressing or touch control.
The television can be applied to a plurality of scenes such as a living room, a bedroom, a kitchen, a conference room and the like, wherein the living room is wide, the bedroom is narrow, sound insulation … … of the conference room is under different scenes, and sound effects transmitted by the television are different. When the sound field self-adaptive function is started, a camera of the television can be synchronously started, and a scene image of the current scene is obtained through shooting of the camera, so that the spatial layout information of the current scene is obtained according to the scene image, and then sound field self-adaptive adjustment is carried out subsequently.
The spatial layout information is used for representing the structure, the components, the relative positions and nodes of the components, the shapes, the placement forms and the like of the space.
202. And the television acquires the room type, the furniture layout and the user position of the current scene according to the scene image.
The spatial layout information of the current scene may include a room type, a furniture layout, a user location, and the like of the current scene.
The room type may be, for example, a living room, a bedroom, a kitchen, a conference room, etc.
In the embodiment of the application, various room types and corresponding furniture information can be mapped and stored in advance, so that when the television acquires the furniture information contained in the current scene through the scene image, the room type of the current scene is determined according to the acquired furniture information.
For example, in the scene shown in fig. 1, the room type is a living room, the furniture included in the scene includes a table lamp, a television cabinet and a sofa, the furniture layout is the position and distribution of the furniture in the scene, and the user position is the position of the user.
203. The television acquires distance information of each object in the current scene.
In the embodiment of the present application, the distance information of each object, that is, the distance from the television to each object in the current scene, may include a distance between the television and a wall, a distance between the television and each piece of furniture, a distance between the television and a listener, and the like.
For example, in the scenario shown in fig. 1, the listener refers to a user watching television, and the distance between the television and the listener refers to the distance between the user and the television.
In the embodiment of the application, an ultrasonic wave transmitting device and an ultrasonic wave receiving device can be arranged in the television, and the distance information of each object in a scene is obtained through ultrasonic ranging. The principle is that the ultrasonic transmitting device transmits ultrasonic waves to a certain direction, the timer starts to time at the same time of transmitting time, the ultrasonic waves propagate in the air and return immediately when encountering an obstacle in the process, and the timer stops timing immediately when the ultrasonic receiving device receives reflected waves. And multiplying the time recorded by the timer by the propagation speed of the ultrasonic wave in the air by 340m/s to obtain the total distance of the ultrasonic wave propagating back and forth in the air. And dividing the total distance by 2 to obtain the distance between the television and the obstacle.
In the ultrasonic ranging of the present application, the obstacle may be a wall, furniture, a listener, or the like.
204. The television plays the first audio and acquires a second audio of the first audio after the first audio is transmitted in the current scene.
In the embodiment of the application, the television can be further provided with a loudspeaker and a microphone. The first audio is played through the loudspeaker, and the second audio after the first audio is spread in the current scene is obtained through the microphone. The first audio may be a test audio, or an audio that is normally played by the television, for example, a movie and a television play audio that is played by the television.
After the first audio is played through the loudspeaker, the first audio is influenced by the current scene, when the sound wave of the first audio is transmitted to an interface such as a wall, a furniture surface and the like, part of sound energy is absorbed, part of sound energy is reflected, and sound energy of each point in space is a result of superposition of sound waves from all directions. In which the sound wave that is not reflected and propagates directly from the sound source to a certain point is called direct sound, and the superposition of the once and many reflected sound waves is called reverberant sound.
Finally, the second audio, received at the microphone, is the result of the superposition of the direct sound and the reverberant sound of the first audio. By acquiring the second audio frequency of the first audio frequency after the first audio frequency is transmitted in the current scene, the influence of the current scene on sound transmission can be determined by comparing the first audio frequency and the second audio frequency.
205. The television uploads the room type, the furniture layout, the user position, the distance information and the second audio to the cloud server, so that the cloud server matches a preset audio adjusting template according to the room type, obtains frequency response information and reverberation information of the second audio in the current scene according to the second audio, and determines equalizer setting parameters, target reverberation time and sound setting parameters according to the audio adjusting template, the frequency response information, the reverberation information, the furniture layout, the user position and the distance information of each object.
In the process of broadcasting the first audio to the second audio, reverberation is generated under the influence of the spatial structure of the current scene, and the reverberation information of the second audio in the current scene can be acquired by comparing the first audio with the second audio. And then, combining the frequency response information extracted from the second audio, obtaining the frequency response information and the reverberation information of the second audio in the current scene, and determining the audio adjusting parameters according to the audio adjusting template, the frequency response information, the reverberation information, the furniture layout, the user position and the distance information of each object.
In order to save the storage space of the television and improve the efficiency of audio parameter adjustment, these steps can be performed in the cloud. For example, various room types and corresponding audio adjustment templates may be mapped and stored in the cloud server in advance, so that after the cloud server acquires the room type of the current environment from the television, the corresponding audio adjustment template is matched according to the room type.
In addition, a corresponding algorithm of the audio adjustment parameter can be integrated in the cloud server, after the television acquires the spatial layout information (room type, furniture layout and user position) of the current scene, the distance information of each object and the second audio, the spatial layout information of the current scene, the distance information of each object and the second audio are uploaded to the cloud server, and the cloud server calculates the audio adjustment parameter according to the corresponding algorithm of the audio adjustment parameter. The cloud server matches a preset audio adjusting template according to the room type, acquires frequency response information and reverberation information of a second audio in a current scene according to the second audio, and brings the audio adjusting template, the frequency response information, the reverberation information, furniture layout, user positions and distance information of each object into a corresponding algorithm of audio adjusting parameters to determine the audio adjusting parameters.
206. The television receives the equalizer setting parameters, the target reverberation time and the sound setting parameters transmitted back from the cloud server.
And after determining the audio adjusting parameters, the cloud server transmits the audio adjusting parameters back to the television. The television receives the audio adjusting parameters transmitted back from the cloud server so as to adjust the audio parameters of the television according to the audio adjusting parameters.
The audio parameters of the television set may include frequency response parameters, reverberation time, volume, and the like.
207. The television controls the equalizer to adjust the frequency response parameters of the television according to the equalizer setting parameters.
In the embodiment of the application, the television is provided with the equalizer which can control the frequency response parameters of the television. At present, when the frequency response of a television is adjusted, an equalizer respectively adjusts electric signals with three frequencies of high frequency, medium frequency and low frequency, and is not flexible enough and has limited frequency response adjusting effect.
In the method, the frequency response adjusting mode of the equalizer is flexibly controlled by setting parameters of the equalizer, so that the frequency response adjusting mode of the equalizer is not limited to respectively adjusting high, middle and low three-section frequencies, and the flexibility of the equalizer in adjusting the audio frequency response effect is improved. For example, the equalizer setting parameters may be used to control the equalizer to adjust the electrical signal at a particular frequency and/or to adjust the electrical signal at a particular frequency interval, and the like.
208. The television adjusts the reverberation time to a target reverberation time.
The reverberation time of audio refers to the time required for the reverberant sound energy density in a room to decay to one millionth of its original value after the sound source has stopped vibrating.
The television adjusts the reverberation time to a target reverberation time. That is, the target reverberation time is used to achieve: from the time the audio is played, the room acoustic energy density decays to one millionth of the original value of the original audio over the target reverberation time. The target reverberation time can be achieved by adding an appropriate delay (amount of time delay of the sound signal) to the audio of the television set. Through time delay processing, the expansion of a sound field is achieved, the stereoscopic impression of sound is enhanced, the sound image position is expanded by utilizing a cross anti-series enhancement principle, the space stereoscopic impression is caused, meanwhile, the continuation of the sound in time is processed by utilizing time delay, the fullness and reverberation effect of the sound are enhanced, the time stereoscopic impression is simulated, and the sound is more attractive and enjoyable.
209. And the television adjusts the volume according to the sound setting parameters.
The sound setting parameters are used to control some sound settings of the television itself, such as the volume level of the television. For a scene with a larger space, the volume of the television can be adjusted to be larger so as not to hear the sound clearly, and for a scene with a smaller space, the volume of the television can be adjusted to be smaller so as not to generate the feeling of booming. And adjusting the volume of the television according to the sound setting parameters to realize better sound effect by matching with frequency response parameters and reverberation time.
In the embodiment of the application, the preset audio adjusting template is matched through the room type, so that the coarse adjustment of the sound effect is realized, the sound effect meeting the current scene is preliminarily realized, the frequency response parameters, the reverberation time, the volume and the like of the television are further adjusted on the basis of the template, the fine adjustment of the sound effect is realized, and the sound effect in the current scene is further improved.
In addition, the television automatically obtains the audio adjustment parameters at the cloud end through the relevant parameters of the current scene, receives the audio adjustment parameters sent back by the cloud end, and performs self-adaptive adjustment on the audio parameters of the television through the audio adjustment parameters without learning how to adjust the sound effect by the user, so that the time cost and the energy cost of the user for learning and adjusting are reduced.
As can be seen from the above, the audio parameter adjustment method provided in the embodiment of the present application obtains spatial layout information of a current scene and obtains distance information of each object in the current scene; playing a first audio and acquiring a second audio of the first audio after the first audio is spread in a current scene; acquiring audio adjustment parameters according to the spatial layout information, the distance information and the second audio; and adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters. According to the method and the device, the audio parameters of the electronic equipment are adjusted according to actual scenes, so that the adjusted audio parameters can guarantee the sound effect under corresponding scenes, and the usability of audio parameter adjustment is improved.
In order to better implement the audio parameter adjustment method provided by the embodiment of the present application, an embodiment of the present application further provides a device based on the audio parameter adjustment method. The terms are the same as those in the above-mentioned audio parameter adjustment method, and details of implementation may refer to the description in the method embodiment.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an audio parameter adjusting apparatus according to an embodiment of the present disclosure. The image audio parameter adjusting apparatus 300 may include a first obtaining module 301, a second obtaining module 302, a third obtaining module 303, and a parameter adjusting module 304:
a first obtaining module 301, configured to obtain spatial layout information of a current scene and obtain distance information of each object in the current scene;
a second obtaining module 302, configured to play the first audio and obtain a second audio of the first audio after the first audio is propagated in the current scene;
a third obtaining module 303, configured to obtain an audio adjustment parameter according to the spatial layout information, the distance information, and the second audio;
the parameter adjusting module 304 is configured to adjust an audio parameter of the electronic device according to the audio adjusting parameter.
In this embodiment, the electronic device includes a camera, and when the spatial layout information of the current scene is obtained, the first obtaining module 301 may be configured to:
obtaining a scene image of a current scene through shooting by a camera;
and acquiring the spatial layout information of the current scene according to the scene image.
In this embodiment of the application, when obtaining the audio adjustment parameter according to the spatial layout information, the distance information, and the second audio, the second obtaining module 302 may be configured to:
uploading the spatial layout information, the distance information of each object and the second audio to a cloud server, so that the cloud end determines audio adjustment parameters according to the spatial layout information, the distance information of each object and the second audio;
and receiving the audio adjusting parameters transmitted back from the cloud server.
In this embodiment of the application, the spatial layout information includes a room type, a furniture layout, and a user position, and when the spatial layout information, the distance information of each object, and the second audio are uploaded to the cloud server, so that the cloud server determines the audio adjustment parameter according to the spatial layout information, the distance information of each object, and the second audio, the second obtaining module 302 may be configured to:
the room type, the furniture layout, the user position, the distance information and the second audio are uploaded to the cloud server, so that the cloud server matches a preset audio adjusting template according to the room type, obtains frequency response information and reverberation information of the second audio in the current scene according to the second audio, and determines audio adjusting parameters according to the audio adjusting template, the frequency response information, the reverberation information, the furniture layout, the user position and the distance information of each object.
In the embodiment of the application, the distance information of each object in the current scene includes a distance between the electronic device and a wall, a distance between the electronic device and each piece of furniture, and a distance between the electronic device and a listener.
In this embodiment of the application, when obtaining distance information of each object in the current scene, the third obtaining module 303 may be configured to:
and acquiring the distance between the electronic equipment and a wall, the distance between the electronic equipment and each piece of furniture and the distance between the electronic equipment and a listener through ultrasonic ranging.
In this embodiment, the electronic device includes an equalizer, the audio parameter of the electronic device includes a frequency response parameter, a reverberation time, and a volume, the audio adjustment parameter includes an equalizer setting parameter, a target reverberation time, and a sound setting parameter, and when the audio parameter of the electronic device is adjusted according to the audio adjustment parameter, the parameter adjustment module 304 may be configured to:
controlling the equalizer to adjust the frequency response parameters of the electronic equipment according to the equalizer setting parameters;
adjusting the reverberation time of the electronic device to a target reverberation time;
and adjusting the volume of the electronic equipment according to the sound setting parameters.
As can be seen from the above, in the audio parameter adjusting apparatus 300 provided in this embodiment of the application, the first obtaining module 301 obtains the spatial layout information of the current scene and obtains the distance information of each object in the current scene; the second obtaining module 302 plays the first audio and obtains a second audio of the first audio after the first audio is propagated in the current scene; the third obtaining module 303 obtains the audio adjustment parameter according to the spatial layout information, the distance information, and the second audio; the parameter adjusting module 304 adjusts the audio parameters of the electronic device according to the audio adjusting parameters. According to the method and the device, the audio parameters of the electronic equipment are adjusted according to actual scenes, so that the adjusted audio parameters can guarantee the sound effect under corresponding scenes, and the usability of audio parameter adjustment is improved.
An electronic device is further provided in the embodiment of the present application, please refer to fig. 6, and fig. 6 is a schematic structural diagram of the electronic device provided in the embodiment of the present application. The electronic device 400 includes a processor 401 and a memory 402. The processor 401 is electrically connected to the memory. The power consumption load of the electronic equipment comprises a variable frequency load and a main control load.
The processor 401 is a control center of the electronic device 400, connects various parts of the entire electronic device using various interfaces and lines, performs various functions of the electronic device 400 by running or loading a computer program stored in the memory 402, and by data stored in the memory 402, and processes the data, thereby performing overall monitoring of the electronic device 400.
The memory 402 may be used to store software programs and modules, and the processor 401 executes various functional applications and data processing by operating the computer programs and modules stored in the memory 402. The memory 402 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, a computer program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data created according to use of the electronic device, and the like. Further, the memory 402 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 402 may also include a memory controller to provide the processor 401 access to the memory 402.
In the embodiment of the present application, the processor 401 in the electronic device 400 stores a computer program executable on the processor 401 in the memory 402, and the processor 401 executes the computer program stored in the memory 402, thereby implementing various functions as follows:
acquiring spatial layout information of a current scene and distance information of each object in the current scene;
playing a first audio and acquiring a second audio of the first audio after the first audio is spread in a current scene;
acquiring audio adjustment parameters according to the spatial layout information, the distance information and the second audio;
and adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters.
In this embodiment of the present application, the electronic device includes a camera, and when obtaining the spatial layout information of the current scene, the processor 401 may be configured to:
obtaining a scene image of a current scene through shooting by a camera;
and acquiring the spatial layout information of the current scene according to the scene image.
In this embodiment of the application, when obtaining the audio adjustment parameter according to the spatial layout information, the distance information, and the second audio, the processor 401 may be configured to:
uploading the spatial layout information, the distance information of each object and the second audio to a cloud server, so that the cloud end determines audio adjustment parameters according to the spatial layout information, the distance information of each object and the second audio;
and receiving the audio adjusting parameters transmitted back from the cloud server.
In this embodiment of the application, the spatial layout information includes a room type, a furniture layout, and a user position, and when the spatial layout information, the distance information of each object, and the second audio are uploaded to the cloud server, so that the cloud server determines the audio adjustment parameter according to the spatial layout information, the distance information of each object, and the second audio, the processor 401 may be configured to:
the room type, the furniture layout, the user position, the distance information and the second audio are uploaded to the cloud server, so that the cloud server matches a preset audio adjusting template according to the room type, obtains frequency response information and reverberation information of the second audio in the current scene according to the second audio, and determines audio adjusting parameters according to the audio adjusting template, the frequency response information, the reverberation information, the furniture layout, the user position and the distance information of each object.
In the embodiment of the application, the distance information of each object in the current scene includes a distance between the electronic device and a wall, a distance between the electronic device and each piece of furniture, and a distance between the electronic device and a listener.
In this embodiment of the application, when obtaining distance information of each object in the current scene, the processor 401 may be configured to:
and acquiring the distance between the electronic equipment and a wall, the distance between the electronic equipment and each piece of furniture and the distance between the electronic equipment and a listener through ultrasonic ranging.
In this embodiment, the electronic device includes an equalizer, the audio parameter of the electronic device includes a frequency response parameter, a reverberation time, and a volume, the audio adjustment parameter includes an equalizer setting parameter, a target reverberation time, and a sound setting parameter, and when the audio parameter of the electronic device is adjusted according to the audio adjustment parameter, the processor 401 may be configured to:
controlling the equalizer to adjust the frequency response parameters of the electronic equipment according to the equalizer setting parameters;
adjusting the reverberation time of the electronic device to a target reverberation time;
and adjusting the volume of the electronic equipment according to the sound setting parameters.
As can be seen from the above, the electronic device 400 provided in the embodiment of the present application obtains the spatial layout information of the current scene and obtains the distance information of each object in the current scene; playing a first audio and acquiring a second audio of the first audio after the first audio is spread in a current scene; acquiring audio adjustment parameters according to the spatial layout information, the distance information and the second audio; and adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters. According to the method and the device, the audio parameters of the electronic equipment are adjusted according to actual scenes, so that the adjusted audio parameters can guarantee the sound effect under corresponding scenes, and the usability of audio parameter adjustment is improved.
The embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and the computer program is executed by a processor to implement the audio parameter adjusting method in any of the above embodiments, such as: acquiring spatial layout information of a current scene and distance information of each object in the current scene; playing a first audio and acquiring a second audio of the first audio after the first audio is spread in a current scene; acquiring audio adjustment parameters according to the spatial layout information, the distance information and the second audio; and adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters. In the embodiment of the present application, the computer-readable storage medium may be a magnetic disk, an optical disk, a Read Only Memory (ROM), a Random Access Memory (RAM), or the like.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It should be noted that, for the audio parameter adjustment method of the embodiment of the present application, it can be understood by a person skilled in the art that all or part of the process of implementing the audio parameter adjustment method of the embodiment of the present application can be completed by controlling the relevant hardware through a computer program, where the computer program can be stored in a computer-readable storage medium, such as a memory of an electronic device, and executed by at least one processor in the electronic device, and during the execution process, the process of the embodiment of the audio parameter adjustment method can be included. The computer readable storage medium may be a magnetic disk, an optical disk, a read-only memory, a random access memory, etc.
For the audio parameter adjusting apparatus in the embodiment of the present application, each functional module may be integrated in one processing chip, or each module may exist alone physically, or two or more modules are integrated in one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium, such as a read-only memory, a magnetic or optical disk, or the like.
The term "module" as used herein may be considered a software object executing on the computing system. The various components, modules, engines, and services herein may be viewed as objects of implementation on the computing system. The apparatus and method herein are preferably implemented in software, but can also be implemented in hardware, and are within the scope of the present application.
The foregoing describes in detail an audio parameter adjustment method, an audio parameter adjustment apparatus, a storage medium, and an electronic device provided in an embodiment of the present application, and a specific example is applied in the present application to explain the principle and an implementation of the present application, and the description of the foregoing embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. An audio parameter adjustment method applied to an electronic device includes:
acquiring spatial layout information of a current scene and distance information of each object in the current scene;
playing a first audio and acquiring a second audio of the first audio after the first audio is spread in a current scene;
acquiring audio adjustment parameters according to the spatial layout information, the distance information and the second audio;
and adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters.
2. The audio parameter adjustment method according to claim 1, wherein the electronic device includes a camera, and the acquiring the spatial layout information of the current scene includes:
obtaining a scene image of the current scene through shooting by a camera;
and acquiring the spatial layout information of the current scene according to the scene image.
3. The audio parameter adjustment method according to claim 1, wherein the obtaining the audio adjustment parameter according to the spatial layout information, the distance information, and the second audio comprises:
uploading the spatial layout information, the distance information of each object and the second audio to a cloud server, so that the cloud server determines the audio adjustment parameter according to the spatial layout information, the distance information of each object and the second audio;
receiving the audio adjustment parameters returned from the cloud server.
4. The audio parameter adjustment method according to claim 3, wherein the spatial layout information includes a room type, a furniture layout, and a user location, and the uploading the spatial layout information, the distance information of each object, and the second audio to a cloud server, so that the cloud server determines the audio adjustment parameter according to the spatial layout information, the distance information of each object, and the second audio includes:
uploading the room type, the furniture layout, the user position, the distance information and the second audio to a cloud server, so that the cloud server matches a preset audio adjusting template according to the room type, obtains frequency response information and reverberation information of the second audio in the current scene according to the second audio, and determines the audio adjusting parameters according to the audio adjusting template, the frequency response information, the reverberation information, the furniture layout, the user position and the distance information of each object.
5. The audio parameter adjustment method according to claim 4, wherein the distance information of each object in the current scene comprises a distance between the electronic device and a wall, a distance between the electronic device and each furniture, and a distance between the electronic device and a listener.
6. The audio parameter adjustment method according to claim 5, wherein the obtaining distance information of each object in the current scene comprises:
and acquiring the distance between the electronic equipment and a wall, the distance between the electronic equipment and each piece of furniture and the distance between the electronic equipment and a listener through ultrasonic ranging.
7. The method of claim 5, wherein the electronic device comprises an equalizer, wherein the audio parameters of the electronic device comprise a frequency response parameter, a reverberation time, and a volume, wherein the audio adjustment parameters comprise an equalizer setting parameter, a target reverberation time, and a sound setting parameter, and wherein adjusting the audio parameters of the electronic device according to the audio adjustment parameters comprises:
controlling the equalizer to adjust the frequency response parameter of the electronic equipment according to the equalizer setting parameter;
adjusting a reverberation time of the electronic device to the target reverberation time;
and adjusting the volume of the electronic equipment according to the sound setting parameter.
8. An audio parameter adjusting apparatus applied to an electronic device, comprising:
the first acquisition module is used for acquiring the spatial layout information of the current scene and acquiring the distance information of each object in the current scene;
the second acquisition module is used for playing the first audio and acquiring a second audio of the first audio after the first audio is spread in the current scene;
a third obtaining module, configured to obtain an audio adjustment parameter according to the spatial layout information, the distance information, and the second audio;
and the parameter adjusting module is used for adjusting the audio parameters of the electronic equipment according to the audio adjusting parameters.
9. A computer-readable storage medium, in which a computer program is stored, the computer program being executed by a processor to implement the audio parameter adjustment method according to any one of claims 1 to 8.
10. An electronic device, comprising a processor, a memory, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the audio parameter adjustment method according to any one of claims 1 to 8.
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