阅读说明：本技术 降噪处理方法及相关装置 (Noise reduction processing method and related device ) 是由 王加夏 曾庆波 詹诒皓 孙至平 于 2021-08-09 设计创作，主要内容包括：本申请涉及物联网或者智能家居领域,本申请实施例公开了一种降噪处理方法及相关装置,应用于电子设备,所述电子设备包括第一播放器,所述方法包括：获取目标播放内容的目标音频信号；确定所述目标音频信号的目标本底噪音信号；确定与所述目标本底噪音信号对应的目标播放参数；控制第一播放器以所述目标播放参数进行播放,以降低所述目标本底噪音信号的影响。采用本申请实施例能够通过播放器以与本底噪音信号对应的播放参数播放出声音,从而,消除本底噪音信号的影响,有助于提升音频播放效果。(The application relates to the field of Internet of things or smart home, and the embodiment of the application discloses a noise reduction processing method and a related device, which are applied to electronic equipment, wherein the electronic equipment comprises a first player, and the method comprises the following steps: acquiring a target audio signal of target playing content; determining a target background noise signal of the target audio signal; determining a target playing parameter corresponding to the target background noise signal; and controlling the first player to play according to the target playing parameters so as to reduce the influence of the target background noise signal. By adopting the method and the device, the sound can be played by the player according to the playing parameters corresponding to the background noise signal, so that the influence of the background noise signal is eliminated, and the audio playing effect is promoted.)

1. A noise reduction processing method is applied to an electronic device, wherein the electronic device comprises a first player, and the method comprises the following steps:

acquiring a target audio signal of target playing content;

determining a target background noise signal of the target audio signal;

determining a target playing parameter corresponding to the target background noise signal;

and controlling the first player to play according to the target playing parameters so as to reduce the influence of the target background noise signal.

2. The method of claim 1, wherein determining the target playback parameters corresponding to the target noise floor signal comprises:

carrying out feature extraction on the target background noise signal to obtain target features;

and determining the target playing parameters corresponding to the target characteristics according to a mapping relation between preset characteristics and playing parameters.

3. The method of claim 2, wherein said performing feature extraction on the target noise floor signal to obtain a target feature comprises:

determining a target energy value of the target noise floor signal;

preprocessing the target background noise signal to obtain a reference background noise signal;

carrying out value taking on the reference background noise signal to obtain a plurality of extreme values;

determining the mean value of the extreme values to obtain a target mean value;

determining a target mean square error according to the plurality of extreme values and the target mean;

and taking the target energy value and the target mean square error as the target features.

4. The method according to claim 3, wherein said determining the target playing parameter corresponding to the target feature according to a mapping relationship between preset features and playing parameters comprises:

determining a reference playing parameter corresponding to the target energy value according to a preset mapping relation between the energy value and the playing parameter;

determining a target adjusting parameter corresponding to the target mean square error according to a mapping relation between a preset mean square error and the adjusting parameter;

and adjusting the reference playing parameter according to the target adjusting parameter to obtain the target playing parameter.

5. The method of any of claims 1-4, wherein determining a target noise floor signal for the target audio signal comprises:

acquiring a reference audio signal of the target playing content;

determining the target noise floor signal from the target audio signal and the reference audio signal.

6. The method of any of claims 1-4, wherein the electronic device further comprises a second player, the method further comprising:

and playing the target audio signal through the second player.

7. A noise reduction processing apparatus applied to an electronic device including a first player, the apparatus comprising: an acquisition unit, a first determination unit, a second determination unit, and a control unit, wherein,

the acquisition unit is used for acquiring a target audio signal of target playing content;

the first determining unit is used for determining a target noise floor signal of the target audio signal;

the second determining unit is used for determining a target playing parameter corresponding to the target background noise signal;

the control unit is used for controlling the first player to play according to the target playing parameters so as to reduce the influence of the target background noise signal.

8. The apparatus according to claim 7, wherein in said determining a target playback parameter corresponding to the target noise floor signal, the second determining unit is specifically configured to:

carrying out feature extraction on the target background noise signal to obtain target features;

and determining the target playing parameters corresponding to the target characteristics according to a mapping relation between preset characteristics and playing parameters.

9. An electronic device comprising a processor, a memory for storing one or more programs and configured for execution by the processor, the programs comprising instructions for performing the steps in the method of any of claims 1-6.

10. A computer-readable storage medium, characterized in that a computer program for electronic data exchange is stored, wherein the computer program causes a computer to perform the method according to any one of claims 1-6.

Technical Field

The application relates to the technical field of Internet of things or smart home, in particular to a noise reduction processing method and a related device.

Background

Background noise is all signals which are irrelevant to an information source and appear in communication, and the signals come from a channel and have an interference effect, so that information is deformed and distorted in the transmission process, and the transmission efficiency is influenced. Background noise refers to the thermal noise that is produced by the irregular motion of atom inside electron, as long as the communications facilities temperature is higher than absolute zero, has background noise, because the existence of background noise has reduced the broadcast effect, consequently, how to eliminate background noise to the problem that promotes the broadcast effect is urgent to be solved.

Disclosure of Invention

The embodiment of the application provides a noise reduction processing method and a related device, which can eliminate background noise to improve the playing effect.

In a first aspect, an embodiment of the present application provides a noise reduction processing method, which is applied to an electronic device, where the electronic device includes a first player, and the method includes:

acquiring a target audio signal of target playing content;

determining a target background noise signal of the target audio signal;

determining a target playing parameter corresponding to the target background noise signal;

and controlling the first player to play according to the target playing parameters so as to reduce the influence of the target background noise signal.

In a second aspect, an embodiment of the present application provides a noise reduction processing apparatus, which is applied to an electronic device, where the electronic device includes a first player, and the apparatus includes: an acquisition unit, a first determination unit, a second determination unit, and a control unit, wherein,

the acquisition unit is used for acquiring a target audio signal of target playing content;

the first determining unit is used for determining a target noise floor signal of the target audio signal;

the second determining unit is used for determining a target playing parameter corresponding to the target background noise signal;

the control unit is used for controlling the first player to play according to the target playing parameters so as to reduce the influence of the target background noise signal.

In a third aspect, an embodiment of the present application provides an electronic device, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the program includes instructions for executing the steps in the first aspect of the embodiment of the present application.

In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program enables a computer to perform some or all of the steps described in the first aspect of the embodiment of the present application.

In a fifth aspect, embodiments of the present application provide a computer program product, where the computer program product includes a non-transitory computer-readable storage medium storing a computer program, where the computer program is operable to cause a computer to perform some or all of the steps as described in the first aspect of the embodiments of the present application. The computer program product may be a software installation package.

The embodiment of the application has the following beneficial effects:

it can be seen that the noise reduction processing method and related apparatus described in the embodiments of the present application are applied to an electronic device, where the electronic device includes a first player, obtains a target audio signal of a target playing content, determines a target background noise signal of the target audio signal, determines a target playing parameter corresponding to the target background noise signal, and controls the first player to play according to the target playing parameter, so as to reduce the influence of the target background noise signal.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic flowchart of a noise reduction processing method provided in an embodiment of the present application;

fig. 2 is a schematic flow chart of another noise reduction processing method provided in the embodiment of the present application;

fig. 3 is a schematic structural diagram of another electronic device provided in an embodiment of the present application;

fig. 4 is a block diagram of functional units of a noise reduction processing apparatus according to an embodiment of the present application.

Detailed Description

In order to make the technical solutions of the present application better understood, 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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The electronic device described in the embodiment of the present invention may include a smart phone, a wireless headset, a wired headset, a bluetooth speaker, a walkman, a sleep monitor, a physiotherapy instrument, and the like, which are examples and not exhaustive, and include but are not limited to the above electronic devices. The electronic device can also be an intelligent noise reduction module or an intelligent noise reduction chip. The electronic device may also be other smart home devices with a playing function, such as a smart television, a smart projector, and the like, which is not limited herein.

The following describes embodiments of the present application in detail.

Referring to fig. 1, fig. 1 is a schematic flowchart of a noise reduction processing method provided in an embodiment of the present application, and is applied to an electronic device including a first player, where as shown in the figure, the noise reduction processing method includes:

101. and acquiring a target audio signal of the target playing content.

In a specific implementation, a plurality of play contents may be stored in the electronic device in advance. Each playback content may correspond to an audio file. The target audio content may be any one of a plurality of play contents. The electronic device may also acquire a target audio signal of the target playback content from the external device. The playing content may be preset or default to the system, and the playing content may include at least one of the following: music, sound recordings, conversations, meeting recordings, etc., without limitation. The target audio signal may be an audio signal that has been transmitted through a channel or is to be transmitted through a channel.

The electronic device may obtain the target audio signal of the target playing content from a local or cloud end, and of course, the electronic device may include a sound collection system, and the target audio signal of the target playing content may be obtained through the sound collection system, or the target audio signal of the target audio content may be obtained through the sound sensor.

Optionally, in the step 101, acquiring a target audio signal of a target playing content may include the following steps:

11. displaying at least one file control, wherein each file control corresponds to one file;

12. when a target file control is touched, acquiring the target playing content corresponding to the target file control, wherein the target file control is any one of the at least one file control;

13. and transmitting the target playing content to the first player to obtain the target audio signal.

The electronic equipment can display at least one file control, each file control corresponds to one file, touch operation aiming at the file controls can be detected, when a target file control is touched, target playing content corresponding to the target file control is obtained, the target file control is any file control in the at least one file control, the target playing content can be transmitted to a first player, a target audio signal is obtained, and a background noise signal can be generated due to the fact that the target playing content can be influenced by a channel in the transmission process.

102. Determining a target noise floor signal for the target audio signal.

In the specific implementation, the background noise can be understood as any signal which is not related to the information source and appears in the communication, comes from the channel, has an interference effect on the signal, and causes the information to be deformed and distorted in the transmission process, thereby affecting the transmission efficiency. The background noise signal generated is different if the channel influence is different. In the embodiment of the present application, the noise floor signal may be from an environmental space.

Optionally, in step 102, determining a target noise floor signal of the target audio signal may include the following steps:

a21, acquiring a reference audio signal of the target playing content;

a22, determining the target noise floor signal according to the target audio signal and the reference audio signal.

The different playing contents may correspond to different reference audio signals, that is, audio signals that do not include a background noise signal, the reference audio signals may be preset, and then a target background noise signal may be determined according to the target audio signal and the reference audio signal, that is, a difference between the target audio signal and the reference audio signal is used as the target background noise signal, or the target audio signal may be subjected to noise reduction processing first, and then the difference between the target audio signal and the reference audio signal after the noise reduction processing is used as the target background noise signal.

Optionally, in the step a22, determining the target noise floor signal according to the target audio signal and the reference audio signal may include the following steps:

a221, determining a first background noise signal according to the target audio signal and the reference audio signal;

a222, obtaining a target attribute parameter of a target channel corresponding to the target audio signal;

a223, determining a target optimization factor corresponding to the target attribute parameter according to a mapping relation between preset attribute parameters and the optimization factor;

and A224, optimizing the first background noise signal through the target optimization factor to obtain the target background noise signal.

In the embodiment of the application, the mapping relationship between the preset attribute parameters and the optimization factors can be stored in the electronic device in advance. The attribute parameters may include at least one of: channel bandwidth, channel delay, channel gain, transmission rate, signal-to-noise ratio, noise power, magnetic field strength, external noise, etc., without limitation.

Specifically, the electronic device may determine the first background noise signal according to the target audio signal and the reference audio signal, for example, a difference between the target audio signal and the reference audio signal may be used as the first background noise signal, and may further obtain a target attribute parameter of a target channel corresponding to the target audio signal, where the target attribute parameter may be preset, and further determine a target optimization factor corresponding to the target attribute parameter according to a mapping relationship between the preset attribute parameter and the optimization factor, where a value range of the optimization factor may be 0.5-1. Further, the first background noise signal may be optimized by a target optimization factor to obtain a target background noise signal, specifically, the target background noise signal is the first background noise signal by the target optimization factor, and thus, the background noise signal may be determined based on the attribute of the channel.

103. And determining target playing parameters corresponding to the target background noise signal.

In this embodiment, the playing parameter may include at least one of a playing volume, a playing frequency, a playing time length, a playing mode, a playing period, a playing time length, a sound frequency segment, and the like, which is not limited herein. The play mode may include at least one of: a mono mode, a binaural mode, a stereo mode, etc., without limitation. Different noise floor signals may correspond to different playback parameters.

Optionally, in step 103, determining a target playing parameter corresponding to the target noise floor signal may include:

31. carrying out feature extraction on the target background noise signal to obtain target features;

32. and determining the target playing parameters corresponding to the target characteristics according to a mapping relation between preset characteristics and playing parameters.

In the embodiment of the present application, the target feature may include at least one of the following: eigenvectors, magnitudes, mean square deviations, energy values, and the like, without limitation. The electronic equipment can pre-store the mapping relation between the preset features and the playing parameters, and then the electronic equipment can extract the features of the target background noise signal to obtain the target features, and then the target playing parameters corresponding to the target features are determined according to the mapping relation between the preset features and the playing parameters, so that the playing parameters corresponding to the background noise signal can be realized, the influence of the background noise signal is reduced, the playing quality is improved, and the user experience is improved.

Optionally, in the step 31, performing feature extraction on the target background noise signal to obtain a target feature, which may include the following steps:

311. determining a target energy value of the target noise floor signal;

312. preprocessing the target background noise signal to obtain a reference background noise signal;

313. carrying out value taking on the reference background noise signal to obtain a plurality of extreme values;

314. determining the mean value of the extreme values to obtain a target mean value;

315. determining a target mean square error according to the plurality of extreme values and the target mean;

316. and taking the target energy value and the target mean square error as the target features.

Wherein the pre-treatment may comprise at least one of: signal noise reduction, signal amplification, signal filtering, etc., without limitation.

Specifically, the electronic device may determine a target energy value of the target background noise signal, where the target energy value represents a noise intensity of the background noise signal, and may further perform preprocessing on the target background noise signal to obtain a reference background noise signal, so as to reduce an influence of an environmental sound on the background noise signal, and further may further perform value taking on the reference background noise signal to obtain a plurality of extreme values, where the extreme values may be maximum values or minimum values, determine a mean value of the plurality of extreme values to obtain a target mean value, determine a target mean square error according to the plurality of extreme values and the target mean value, and then take the target energy value and the target mean square error as target characteristics. The mean square error reflects the fluctuation condition of the background noise signal, and further, the intensity corresponding to the background noise signal and the sound of the fluctuation condition need to be matched to offset the influence of the background noise signal, so that the elimination precision of the background noise signal can be improved.

Optionally, in step 32, determining the target playing parameter corresponding to the target feature according to a mapping relationship between preset features and playing parameters includes:

321. determining a reference playing parameter corresponding to the target energy value according to a preset mapping relation between the energy value and the playing parameter;

322. determining a target adjusting parameter corresponding to the target mean square error according to a mapping relation between a preset mean square error and the adjusting parameter;

323. and adjusting the reference playing parameter according to the target adjusting parameter to obtain the target playing parameter.

The electronic device may pre-store a mapping relationship between a preset energy value and a playing parameter and a mapping relationship between a preset mean square error and an adjusting parameter.

Specifically, the electronic device may determine a reference playing parameter corresponding to the target energy value according to a mapping relationship between a preset energy value and a playing parameter, determine a target adjusting parameter corresponding to the target mean square error according to a mapping relationship between a preset mean square error and an adjusting parameter, and adjust the reference playing parameter according to the target adjusting parameter to obtain the target playing parameter. The target adjustment parameter may adjust some or all of the reference playing parameters, for example, the playing frequency may be adjusted.

104. And controlling the first player to play according to the target playing parameters so as to reduce the influence of the target background noise signal.

The electronic device can control the first player to play according to the target playing parameters so as to reduce the influence of the target background noise signal. Of course, the first player may also play the target audio signal. The target audio signal can be played by the target playing parameters while being played, so that the influence of the target background noise signal is reduced, and the playing quality of the target audio signal is improved. When electronic equipment is for helping the dormancy appearance, can promote sound wave broadcast efficiency to improve user's sleep, promote the sleep quality.

Optionally, the electronic device further includes a second player, and may further include the following steps:

and playing the target audio signal through the second player.

In a specific implementation, the electronic device may play the target audio signal through the second player. The target audio signal can be played by the target playing parameters while being played, so that the influence of the target background noise signal is reduced, and the playing quality of the target audio signal is improved. When electronic equipment is for helping the dormancy appearance, can promote sound wave broadcast efficiency to improve user's sleep, promote the sleep quality.

For example, taking an electronic device as an intelligent noise reduction module as an example, the intelligent noise reduction module may include: the intelligent noise reduction module can analyze the background noise of the space, after the intelligent noise reduction module is used for calculating through the chip, the chip can have the function of the processor, and then the player emits sound to mask sound waves to reduce the background noise of the space.

It can be seen that the noise reduction processing method described in the embodiment of the present application is applied to an electronic device, where the electronic device includes a first player, obtains a target audio signal of a target playing content, determines a target background noise signal of the target audio signal, determines a target playing parameter corresponding to the target background noise signal, and controls the first player to play according to the target playing parameter, so as to reduce the influence of the target background noise signal.

Referring to fig. 2, fig. 2 is a schematic flow chart of a noise reduction processing method provided in an embodiment of the present application, and the noise reduction processing method is applied to an electronic device including a first player, where as shown in the figure, the noise reduction processing method includes:

201. and acquiring a target audio signal of the target playing content.

202. Determining a target noise floor signal for the target audio signal.

203. And determining target playing parameters corresponding to the target background noise signal.

204. And controlling the first player to play according to the target playing parameters, and playing the target audio signal through the second player so as to reduce the influence of the target background noise signal.

The detailed description of the steps 201 to 204 may refer to the corresponding steps of the noise reduction processing method described in fig. 1, and will not be described herein again.

It can be seen that the noise reduction processing method described in this embodiment of the present application is applied to an electronic device, where the electronic device includes a first player, obtains a target audio signal of a target playing content, determines a target background noise signal of the target audio signal, determines a target playing parameter corresponding to the target background noise signal, controls the first player to play according to the target playing parameter, and plays the target audio signal through a second player to reduce an influence of the target background noise signal. When electronic equipment is for helping the dormancy appearance, can promote sound wave broadcast efficiency to improve user's sleep, promote the sleep quality.

In accordance with the foregoing embodiments, please refer to fig. 3, where fig. 3 is a schematic structural diagram of an electronic device provided in an embodiment of the present application, and as shown in the drawing, the electronic device includes a processor, a memory, a communication interface, and one or more programs, the electronic device may further include a sound collection system, a sound sensor, a first player, an encoder, and a decoder, the one or more programs are stored in the memory and configured to be executed by the processor, and in an embodiment of the present application, the programs include instructions for performing the following steps:

acquiring a target audio signal of target playing content;

determining a target background noise signal of the target audio signal;

determining a target playing parameter corresponding to the target background noise signal;

and controlling the first player to play according to the target playing parameters so as to reduce the influence of the target background noise signal.

Optionally, in the aspect of determining the target playing parameter corresponding to the target noise floor signal, the program includes instructions for executing the following steps:

carrying out feature extraction on the target background noise signal to obtain target features;

and determining the target playing parameters corresponding to the target characteristics according to a mapping relation between preset characteristics and playing parameters.

Optionally, in the aspect of extracting the features of the target noise-floor signal to obtain the target features, the program includes instructions for executing the following steps:

determining a target energy value of the target noise floor signal;

preprocessing the target background noise signal to obtain a reference background noise signal;

carrying out value taking on the reference background noise signal to obtain a plurality of extreme values;

determining the mean value of the extreme values to obtain a target mean value;

determining a target mean square error according to the plurality of extreme values and the target mean;

and taking the target energy value and the target mean square error as the target features.

Optionally, in the aspect of determining the target playing parameter corresponding to the target feature according to the preset mapping relationship between the feature and the playing parameter, the program includes instructions for executing the following steps:

determining a reference playing parameter corresponding to the target energy value according to a preset mapping relation between the energy value and the playing parameter;

determining a target adjusting parameter corresponding to the target mean square error according to a mapping relation between a preset mean square error and the adjusting parameter;

and adjusting the reference playing parameter according to the target adjusting parameter to obtain the target playing parameter.

Optionally, in the determining the target noise floor signal of the target audio signal, the program includes instructions for performing the following steps:

acquiring a reference audio signal of the target playing content;

determining the target noise floor signal from the target audio signal and the reference audio signal.

Optionally, the electronic device further includes a second player, and the program further includes instructions for executing the following steps:

and playing the target audio signal through the second player.

It can be seen that the electronic device described in this embodiment of the present application includes a first player, which obtains a target audio signal of a target playing content, determines a target background noise signal of the target audio signal, determines a target playing parameter corresponding to the target background noise signal, and controls the first player to play according to the target playing parameter, so as to reduce the influence of the target background noise signal.

Fig. 4 is a block diagram of functional units of a noise reduction processing apparatus 400 according to an embodiment of the present application. The noise reduction processing apparatus 400 is applied to an electronic device, the electronic device includes a first player, and the apparatus 400 includes: an acquisition unit 401, a first determination unit 402, a second determination unit 403, and a control unit 404, wherein,

the obtaining unit 401 is configured to obtain a target audio signal of a target playing content;

the first determining unit 402, configured to determine a target noise floor signal of the target audio signal;

the second determining unit 403 is configured to determine a target playing parameter corresponding to the target noise floor signal;

the control unit 404 is configured to control the first player to play according to the target playing parameter, so as to reduce the influence of the target noise floor signal.

Optionally, in the aspect of determining the target playing parameter corresponding to the target noise floor signal, the second determining unit 403 is specifically configured to:

carrying out feature extraction on the target background noise signal to obtain target features;

and determining the target playing parameters corresponding to the target characteristics according to a mapping relation between preset characteristics and playing parameters.

Optionally, in the aspect of extracting the features of the target background noise signal to obtain the target features, the second determining unit 403 is specifically configured to:

determining a target energy value of the target noise floor signal;

preprocessing the target background noise signal to obtain a reference background noise signal;

carrying out value taking on the reference background noise signal to obtain a plurality of extreme values;

determining the mean value of the extreme values to obtain a target mean value;

determining a target mean square error according to the plurality of extreme values and the target mean;

and taking the target energy value and the target mean square error as the target features.

Optionally, in the aspect of determining the target playing parameter corresponding to the target feature according to the preset mapping relationship between the feature and the playing parameter, the second determining unit 403 is specifically configured to:

determining a reference playing parameter corresponding to the target energy value according to a preset mapping relation between the energy value and the playing parameter;

determining a target adjusting parameter corresponding to the target mean square error according to a mapping relation between a preset mean square error and the adjusting parameter;

and adjusting the reference playing parameter according to the target adjusting parameter to obtain the target playing parameter.

Optionally, in the aspect of determining the target noise floor signal of the target audio signal, the first determining unit 402 is specifically configured to:

acquiring a reference audio signal of the target playing content;

determining the target noise floor signal from the target audio signal and the reference audio signal.

Optionally, the electronic device further includes a second player, and the apparatus 400 is further specifically configured to:

and playing the target audio signal through the second player.

It can be seen that the noise reduction processing apparatus described in this embodiment of the present application is applied to an electronic device, where the electronic device includes a first player, obtains a target audio signal of a target playing content, determines a target background noise signal of the target audio signal, determines a target playing parameter corresponding to the target background noise signal, and controls the first player to play according to the target playing parameter, so as to reduce the influence of the target background noise signal.

It can be understood that the functions of each program module of the noise reduction processing apparatus in this embodiment may be specifically implemented according to the method in the foregoing method embodiment, and the specific implementation process may refer to the relevant description of the foregoing method embodiment, which is not described herein again.

Embodiments of the present application also provide a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any one of the methods as described in the above method embodiments.

Embodiments of the present application also provide a computer program product comprising a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps of any of the methods as described in the above method embodiments. The computer program product may be a software installation package.

It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.

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.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit may be stored in a computer readable memory if it is implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above-mentioned method of the embodiments of the present application. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.

Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.

The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person 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.