WO2019061333A1

WO2019061333A1 - Sound effect adjustment method and device for audio output device

Info

Publication number: WO2019061333A1
Application number: PCT/CN2017/104501
Authority: WO
Inventors: 曹军; 张玉磊; 王成永
Original assignee: 深圳传音通讯有限公司
Priority date: 2017-09-29
Filing date: 2017-09-29
Publication date: 2019-04-04

Abstract

Disclosed in an embodiment of the present application are a sound effect adjustment method and device for an audio output device, the method comprising: sending a first sound; receiving a second sound, the second sound being a reflected sound of the first sound; obtaining a third frequency response curve according to a frequency response curve of the first sound and a frequency response curve of the second sound, the third frequency response curve representing a frequency response characteristic after mixing the first sound and the second sound; comparing the third frequency response curve with the frequency response curve of the first sound so as to obtain a sound effect adjustment parameter for an audio output device, the sound effect adjustment parameter representing the distortion of a reverberation, which is generated by the first sound and the second sound, relative to the first sound, and being used for adjusting audio that is outputted by the audio output device. By means of the embodiment of the present application, a sound effect may be adjusted according to differences in the effects of different environments on sound, and distortion caused by an echo is reduced.

Description

Sound adjustment method and device for audio output device

Technical field

The present application relates to the field of audio technologies, and in particular, to a sound effect adjustment method and device for an audio output device.

Background technique

The speaker is the terminal of the entire sound system and is responsible for converting the audio electrical signal into an acoustic signal. When the speakers are placed in the room to play music, the sound reverberates inside the room. What we hear is the sound that is reflected inside the room and mixed with the sound of the speakers.

When the speakers are placed inside the room to play music, the sound is reflected and mixed inside the room and then transmitted to the human ear. Because the room is generally not designed to listen to music, after reflecting and mixing the music released by the speakers, the sound may be more severely distorted during the interference process, and even cause defects in certain frequency bands and affect the sense of hearing. Different rooms have different structures, and the distortion may be different. It is difficult to balance the design of the speakers.

Summary of the invention

The embodiment of the present application provides a sound effect adjustment method for an audio output device, which can adjust sound effects differently for different environments, and reduce distortion caused by echo.

In a first aspect, an embodiment of the present application provides a sound effect adjustment method for an audio output device, where the method includes:

Send the first sound;

Receiving a second sound, the second sound being a reflected sound of the first sound;

Obtaining a third frequency response curve according to a frequency response curve of the first sound and a frequency response curve of the second sound; the third frequency response curve characterizing the mixing of the first sound and the second sound Frequency response characteristics;

Comparing the third frequency response curve with a frequency response curve of the first sound to obtain a first sound effect adjustment parameter of the audio output device; the first sound effect adjustment parameter characterizing the first sound and The distortion of the second sound generated relative to the distortion of the first sound is used to adjust the audio output by the audio output device.

In combination with the first aspect, in the first implementation manner of the first aspect, the method further includes:

Receiving, by the user, a correction adjustment parameter based on the first sound effect adjustment parameter;

And modifying the first sound effect adjustment parameter to obtain a second sound effect adjustment parameter according to the correction adjustment parameter; and the second adjustment sound effect parameter is used to adjust an audio output.

In conjunction with the first aspect, or the first implementation of the first aspect, in a second implementation of the first aspect, the receiving the adjustment adjustment parameter of the user input comprises:

A user's voice input is received, the voice input being used to indicate the correction adjustment parameter.

In conjunction with the second implementation manner of the first aspect, in a third implementation manner of the first aspect, the method further includes:

Determining, according to the keyword in the voice information, a play style associated with the keyword in the first database; the first database includes at least one play style and the at least one play style respectively corresponding to Correcting adjustment parameters;

Determining the first sound effect adjustment parameter according to the correction adjustment parameter, and acquiring the second sound effect adjustment parameter, specifically:

And modifying the first sound effect adjustment parameter according to the correction adjustment parameter corresponding to the play style, and acquiring the second sound effect adjustment parameter.

In combination with the first aspect, in a fourth implementation manner of the first aspect, the method further includes:

It is judged whether there is a change in the position of the audio device, and if there is a change in the position of the audio device, the step of transmitting the first sound is re-executed.

In a second aspect, an embodiment of the present invention provides an audio output device, where the device includes:

a sending unit, configured to send the first sound;

a receiving unit, configured to receive a second sound, where the second sound is a reflected sound of the first sound;

a processing unit, configured to acquire a third frequency response curve according to a frequency response curve of the first sound and a frequency response curve of the second sound; the third frequency response curve characterizing the first sound and the first Frequency response characteristics after mixing of two sounds;

The processing unit is further configured to compare the third frequency response curve with the first frequency response curve to obtain a first sound effect adjustment parameter of the audio output device; the first sound effect adjustment parameter representation Description The distortion of the first sound and the second sound generated relative to the first sound is used to adjust the audio output by the audio output device.

With reference to the second aspect, in the first implementation manner of the second aspect, the method further includes:

The receiving unit is further configured to receive a correction adjustment parameter that is input by the user based on the first sound effect adjustment parameter;

The processing unit is further configured to: modify the first sound effect adjustment parameter according to the correction adjustment parameter to obtain a second sound effect adjustment parameter; and the second sound effect adjustment parameter is used to adjust an audio output.

With reference to the second aspect, or the first implementation manner of the second aspect, in the second implementation manner of the second aspect, the receiving the adjustment parameter of the user input includes:

The receiving unit receives a voice input of the user, the voice input being used to indicate the correction adjustment parameter.

With reference to the second aspect, or the second implementation manner of the second aspect, in a third implementation manner of the first aspect, the method further includes:

The processing unit is further configured to: in the first database, match a play style associated with the keyword according to a keyword in the voice information; the first database includes at least one play style and the Correction adjustment parameters corresponding to at least one of the playback styles;

With reference to the second aspect, in a fourth implementation manner of the second aspect, the method further includes:

The determining unit is configured to determine whether there is a change in the position of the audio device, and if the position of the audio device changes, the step of transmitting the first sound is performed again.

In a third aspect, an embodiment of the present application provides another audio output device, including a processor, an audio circuit (audio input and audio output), and a memory, the processor, the audio circuit (audio input and audio output), and the memory mutual A connection, wherein the memory is for storing application code supporting a terminal to perform the above method, the processor being configured to perform the method of the first aspect above.

In a fourth aspect, the embodiment of the present application provides a terminal, including the audio output device of the foregoing second aspect and the third aspect, that can perform the method of the foregoing first aspect.

In a fifth aspect, an embodiment of the present application provides a computer readable storage medium, where the computer saves The storage medium stores a computer program comprising program instructions that, when executed by the processor, cause the processor to perform the method of the first aspect described above.

The implementation of the embodiment of the present application has the following beneficial effects:

The audio device acquires a frequency response curve of the sound in the environment by transmitting the first sound and receiving the second sound reflected by the first sound through the environment. Then, the first sound and the second sound are mixed by an algorithm to simulate the sound heard by the human ear, and then the frequency response curve of the sound is compared with the frequency response curve of the first sound to obtain a first sound effect adjustment parameter, and the parameter is obtained. The audio used to adjust the output of the audio device. A sound effect adjustment is made for different effects of sound on different environments.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are some embodiments of the present invention. For the ordinary technicians, other drawings can be obtained based on these drawings without any creative work.

1 is a schematic diagram of a scene of audio output and reception of a sound effect adjustment method of an audio output device according to an embodiment of the present application;

2 is a schematic flow chart of a sound effect adjustment method of an audio output device according to an embodiment of the present application;

3 is a schematic flowchart of a sound effect adjustment method of an audio output device according to another embodiment of the present application;

4 is a frequency response graph of a sound effect adjustment method of an audio output device according to an embodiment of the present application;

FIG. 5 is a schematic block diagram of an audio output device according to an embodiment of the present application; FIG.

FIG. 6 is a schematic block diagram of an audio output device according to another embodiment of the present disclosure;

FIG. 7 is a schematic block diagram of a terminal provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the drawings in the embodiments of the present application. It is obvious that the described embodiments are a part of the embodiments of the present application, and not all of the embodiments. Based on the embodiments in the present application, those skilled in the art do not make creative efforts. All other embodiments obtained under the premise of the present invention are within the scope of the present application.

The use of the terms "comprising", "comprising", "","," The presence or addition of a plurality of other features, integers, steps, operations, elements, components, and/or collections thereof.

The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used in the specification and the appended claims, the claims

It is further understood that the term "and/or" used in the specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes the combinations .

As used in this specification and the appended claims, the term "if" can be interpreted as "when" or "on" or "in response to determining" or "in response to detecting" depending on the context. . Similarly, the phrase "if determined" or "if detected [condition or event described]" may be interpreted in context to mean "once determined" or "in response to determining" or "once detected [condition or event described] ] or "in response to detecting [conditions or events described]".

1 is a schematic diagram of a scene of audio output and reception of a sound effect adjustment method of an audio output device provided by the present application. As shown in FIG. 1, the first sound 103 played by the audio output device 101 is propagated in a small space environment, and an obstacle (wall) 105 is reflected to form a second sound 104, and the sound received by the human ear 102 is actually It is the sound after the first sound and the second sound are mixed, and the sound after the mixing is distorted compared with the first sound. In the scenario involved in the present application, by setting an audio receiver on the audio output device to simulate the sound heard by the human ear, it is possible to perform sound adjustment for different effects on the sound of different environments.

2 is a schematic flow chart of a sound effect adjustment method of an audio output device provided by the present application. As shown in FIG. 2, the method includes but is not limited to the following steps: S201-S204.

S201. The audio output device sends the first sound.

Optionally, the first sound may be a frequency sweep signal, and the frequency sweep signal may be used to obtain a frequency response characteristic of the first sound propagating in an environment where the audio output device is located before playing the audio file. The frequency range of the frequency sweeping signal may be a range of sound frequencies (20-20000HZ) heard by some or all of the human ear, which is not limited herein.

Alternatively, the first sound may be the sound of the audio file being played. For example, the first half of the sound of the audio file being played can be used as the first sound to detect the effect of the echo effect in the environment where the audio output device is located, and the sound effect is adjusted for the half sound according to the influence. It can avoid reverberation distortion in the second half of the sound.

Optionally, the audio output device may be provided with a sound calibration switch, and if the sound calibration switch is turned on, the audio output device sends the first sound to perform a sound adjustment step. If the sound effect calibration switch is not turned on, the audio output device does not transmit the first sound and does not perform the sound effect adjustment step. In response to this situation, the user can select whether to enable the sound effect adjustment, thereby improving the user experience.

S202. The audio output device receives the second sound.

Specifically, the second sound is a sound reflected by the first sound in an environment in which the audio output device is located, that is, an echo. For example, as shown in FIG. 1, it is assumed that the environment in which the audio output device is located is in the room. The audio output device emits a first sound, the first sound propagating in the room, encountering a wall in the room, and reflecting through the wall to form a second sound. The second sound is propagated in the room to the audio output device location and received by the audio receiver built into the audio output device. The second sound may be the sound after the first sound is reflected by one or more obstacles (such as a wall or the like). The above examples are only used to explain the present application and are not to be construed as limiting.

Optionally, the audio output device may detect the sound intensity value of the second sound according to the received second sound, and if the sound intensity value of the second sound is less than the preset sound intensity threshold, the following sound effect adjustment step is not performed. Understandably, the small volume of echo can produce little interference and can be ignored. In this way, the audio output from the audio output device can be more flexibly adjusted, and the method of adjusting the sound effect is applicable to different environments.

S203. Acquire a third frequency response curve according to a frequency response curve of the first sound and a frequency response curve of the second sound. Specifically, in the process of playing the audio file, a frequency response characteristic of the sound of the audio file propagating in an environment where the audio output device is located may be acquired. The audio output device can obtain a second sound of the second sound according to the audio receiver.

It can be understood that the sound after mixing the first sound and the second sound is the sound heard by the human ear. For example, the mobile terminal includes the above audio output device, and the user opens the music playing software to play music, and the user and the audio output device can be regarded as being in the same position in the room. The above examples are merely illustrative of the application and should not be construed as limiting. Since the second sound is compared to the first sound, the waveform at the same frequency has an amplitude difference and/or a phase difference. Therefore, the sound heard by the human ear is distorted compared to the first sound.

Specifically, the first sound and the second sound received by the audio receiver are mixed according to the frequency response curve of the first sound and the frequency response curve of the second sound. The audio output device acquires a third frequency response curve after mixing the first sound and the second sound, and the third frequency response curve represents a frequency response characteristic after the first sound and the second sound are mixed.

S204. Comparing the third frequency response curve with the frequency response curve of the first sound, the first sound effect adjustment parameter of the audio output device may be obtained.

Specifically, the first sound effect adjustment parameter represents a distortion of the reverberation generated by the first sound and the second sound relative to the first sound, and is used to adjust the audio of the audio output device. After obtaining the third frequency response curve, the third frequency response curve is compared with the frequency response curve of the first sound, and the sound pressure level difference of the two curves is obtained on the same frequency band (the sound of the first sound audio signal curve) The pressure level is subtracted from the sound pressure level of the third frequency response curve), and the above-mentioned sound pressure level difference of all frequency bands is the first sound effect adjustment parameter.

Referring to FIG. 4, curve 401 is the frequency response curve of the first sound, and curve 402 is the third frequency response curve. Comparing curve 402 with curve 401, a first sound effect adjustment parameter can be obtained. For example, the equalizer 403 can perform sound adjustment on 20 frequency bands in the frequency range of 0-10000HZ. The curve 402 is compared with the curve 401, and the sound pressure level (db) difference between the curve 402 and the curve 401 in 20 frequency bands is obtained, and each frequency band is 1 kHz. It can be seen that the sound pressure level difference is -25 db at a frequency of 4 kHz. The first sound effect adjustment parameter is obtained by sequentially calculating the sound pressure level difference of the two curves on the 20 frequency bands. In the audio output device adjustment equalizer, the gains in the 20 frequency bands are sequentially adjusted according to the first sound effect adjustment parameter, and the gain is used to adjust the audio output by the audio output device. As shown in FIG. 4, it can be seen that when the frequency is 4KHZ, the equalizer gain is -25db, and when the audio output device plays music, the sound of the frequency of 4KHZ in the music is reduced by 25db. The examples are merely illustrative of the application and should not be construed as limiting.

Through the embodiment of the present application, the sound effect adjustment in different environments can be realized by using an equalizer by mixing the frequency response curve of the sound and the frequency response curve of the standard sound.

FIG. 3 is a schematic flowchart of a sound effect adjustment method of another audio output device provided by the present application, including but not limited to the following steps S301-S306.

S301. The audio output device sends the first sound.

For details, refer to S201 in the embodiment of FIG. 2, and details are not described herein again.

S302. The audio output device receives the second sound.

For details, refer to S202 in the embodiment of FIG. 2, and details are not described herein again.

S303. Acquire a third frequency response curve according to a frequency response curve of the first sound and a frequency response curve of the second sound.

For details, refer to S203 in the embodiment of FIG. 2, and details are not described herein again.

S304. Comparing the third frequency response curve with the frequency response curve of the first sound, the first sound effect adjustment parameter of the audio output device may be obtained.

For details, refer to S204 in the embodiment of FIG. 2, and details are not described herein again.

S305. Receive a correction adjustment parameter that is input by the user based on the first sound adjustment parameter, and modify the first sound adjustment parameter according to the correction adjustment parameter to obtain the second sound adjustment parameter.

Specifically, the audio output device receives the correction adjustment parameter based on the first sound effect adjustment parameter input by the user through the audio receiver. After the first sound effect adjustment parameter is obtained by the audio output device, the first sound effect adjustment parameter is modified according to the correction adjustment parameter input by the user, and the second sound effect adjustment parameter is obtained. For example, at a frequency of 4 kHz, the first sound adjustment parameter is -25 db, and the audio output device receives the user-corrected adjustment parameter of 5 db, and the second sound adjustment parameter is -20 db at a frequency of 4 kHz. When the audio output device plays music, the audio output with a frequency around 4 kHz is reduced by 20 db. The examples are merely illustrative of the application and should not be construed as limiting.

Alternatively, the audio output device can accept a user's voice input for indication. The above-mentioned user input correction adjustment parameters. The audio output device can match the play style associated with the keyword in the first database according to the keyword in the voice input. The first database includes at least one playback style and a correction adjustment parameter corresponding to each of the at least one playback style. For example, at a frequency of 4 kHz, the first sound adjustment parameter is -25 db, the keyword of the user's voice input is "rock style", and in the first database, the keyword "rock style" corresponds to the correction adjustment parameter at the frequency of 4 kHz. For 10db, the second sound adjustment parameter is -15db (ie -25db+10db). In the audio output setting When playing music, reduce the audio output of 15db for frequencies around 4KHZ. The examples are merely illustrative of the application and should not be construed as limiting. In this way, the audio output can be adjusted according to the user's preferred playback style.

S306. Determine whether there is a change in the position of the audio output device.

Specifically, when the audio output device plays the audio file, the audio output device determines whether the position of the audio output device changes through the built-in sensor of the device. If there is a change in the position of the audio output device, the steps S301-S304 are re-executed, the first sound is sent, the second sound is received, and the third frequency response curve after the first sound and the second sound is mixed is obtained, and the third frequency response curve is obtained. The first sound effect adjustment parameter of the audio output device is obtained by comparing with the frequency response curve of the first sound. If the position of the audio output device does not change, the audio output device continues to play the audio.

Optionally, when the audio output device plays the audio file, if the audio output device determines that the position of the audio output device changes through the built-in sensor of the device, it is determined whether the distance moved by the position of the audio output device exceeds a preset distance threshold. If yes, re-execute the steps S301-S304, send the first sound, receive the second sound, obtain the third frequency response curve after mixing the first sound and the second sound, and compare the third frequency response curve with the frequency of the first sound The curve is compared to obtain the first sound adjustment parameter of the audio output device. If there is no change, the audio output device continues to play the audio.

Through the embodiment of the present application, the audio output device can adjust the sound effect of the audio output device in real time according to the change of the position of the audio output device, and can adjust the sound effect of the audio output device in a multilateral environment.

Referring to FIG. 5, it is a schematic block diagram of an audio output device provided by the present application. As shown in FIG. 5, the audio output device 500 may include: a sending unit 501, a receiving unit 502, a processing unit 503, and a determining unit 504, where

The sending unit 501 can be configured to send the first sound. The first sound may be a swept frequency signal, and the swept frequency signal may be used to obtain a frequency response characteristic of the first sound propagating within the environment in which the audio output device is located before playing the audio file. The frequency range of the frequency-swept signal may be a sound frequency range (20-20000HZ) heard by the human ear, or may be a full-frequency signal, which is not limited herein.

The receiving unit 502 can be configured to receive the second sound, where the second sound is the reflected sound of the first sound.

The processing unit 503 is configured to obtain a third frequency response curve according to the frequency response curve of the first sound and the frequency response curve of the second sound; and the third frequency response curve represents the frequency response characteristic after the mixing of the first sound and the second sound .

The processing unit 503 is further configured to compare the third frequency response curve with the first frequency response curve to obtain a first sound effect adjustment parameter of the audio output device; the first sound effect adjustment parameter represents the first sound and the second sound generated The distortion of the reverberation relative to the first sound is used to adjust the audio output by the audio output device.

Further, the receiving unit 502 is further configured to receive a correction adjustment parameter that is input by the user and is based on the first sound effect adjustment parameter. The processing unit 503 is further configured to modify the first sound effect adjustment parameter according to the calibration adjustment parameter to obtain a second sound effect adjustment parameter, where the second sound effect adjustment parameter is used to adjust the audio output.

Optionally, the receiving unit 502 can accept the voice input of the user, and the processing unit 504 matches the play style associated with the keyword in the first database according to the keyword in the voice information. The first database includes at least one play style and at least one play corresponding correction adjustment parameter.

Further, the determining unit 504 can be configured to determine whether there is a change in the location of the audio device. If the location of the audio device is changed, the sending unit 501 resends the first sound, the receiving unit 502 receives the second sound again, and the processing unit 503 performs the second sound again. Subsequent sound adjustment steps.

It can be understood that the functional units of the audio output device 500 of the embodiment of the present application may be specifically implemented according to the method in the method embodiment of FIG. 2 or FIG. 3, and the specific implementation process may refer to the related description of the foregoing method embodiment. I will not repeat them here.

FIG. 6 is a schematic block diagram of an audio output device 600 according to another embodiment of the present application. As shown in FIG. 6, the audio output device 600 can include a memory 620, a processor 610 coupled to the memory 620, an audio circuit 630 (audio output circuit 631 and audio input circuit 632), a speaker 640, and a microphone 650. These components can communicate over one or more communication buses.

Processor 610 is the control center of audio output device 600, which connects various portions of the entire audio output device 600 using various interfaces and lines, by running or executing computer programs and/or modules stored in memory 620, and by calling stored in memory. The data within 620 performs various functions and processing data of audio output device 600 to provide overall monitoring of audio output device 600. Optional, The processor 610 may include one or more processing cores; preferably, the processor 610 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application, etc., and performs modulation and demodulation. The processor primarily handles wireless communications. It can be understood that the above modem processor may not be integrated into the processor 610.

The memory 620 can be used to store computer programs and modules, and the processor 610 executes various functional applications and data processing by running computer programs and modules stored in the memory 620. The memory 620 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, etc.), and the like; and the storage data area may be stored according to the audio output device 600. Use the created data (such as audio data, etc.). Moreover, memory 620 can include high speed random access memory, and can 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, memory 620 can also include a memory controller to provide access to memory 620 by processor 610 and audio circuitry 630.

The audio circuit 630, the speaker 640, and the microphone 650 can provide an audio interface between the user and the audio output device 600. The audio circuit 630 can transmit the converted electrical data of the received audio data to the speaker 640 for conversion to the sound signal output by the speaker 640; on the other hand, the microphone 650 converts the collected sound signal into an electrical signal by the audio circuit 630. After receiving, it is converted into audio data, and then processed by the audio data output processor 610, sent to, for example, another terminal via an RF circuit, or outputted to the memory 620 for further processing.

The processor 610 in the embodiment of the present invention may invoke the program instructions stored in the memory 620 to perform the sound effect adjustment method of the audio output device described in the embodiment of FIG. 2 or FIG. 3 above.

FIG. 7 is a structural block diagram of an implementation manner of the terminal device 700. The terminal 700 includes the above-described audio output device 600. In addition, as shown in FIG. 7, the terminal 700 may further include: a baseband chip 710, a memory 715 (one or more computer readable storage media), and a radio frequency (RF) module. 716. Peripheral system 717. These components can communicate over one or more communication buses 714.

The peripheral system 717 is mainly used to implement the interaction function between the terminal 710 and the user/external environment, and mainly includes the input and output devices of the terminal 700. In a specific implementation, the peripheral system 717 can include a touch screen controller 718, a camera controller 719, an audio controller 720, and a sensor management module 721. Each controller may be coupled to a respective peripheral device such as touch screen 723, camera 724, audio circuit 725, and sensor 726. In some embodiments, the touch screen 723 can be configured with a touch screen of a self-capacitive floating touch panel or a touch screen configured with an infrared floating touch panel. In some embodiments, camera 724 can be a 3D camera. It should be noted that the peripheral system 717 may also include other I/O peripherals.

The baseband chip 710 can be integrated to include one or more processors 711, a clock module 712, and a power management module 713. The clock module 712 integrated in the baseband chip 710 is primarily used to generate the clocks required for data transfer and timing control for the processor 711. The power management module 713 integrated in the baseband chip 710 is mainly used to provide a stable, high-accuracy voltage for the processor 711, the radio frequency module 716, and the peripheral system.

A radio frequency (RF) module 716 is used to receive and transmit radio frequency signals, primarily integrating the receiver and transmitter of terminal 700. A radio frequency (RF) module 716 communicates with the communication network and other communication devices via radio frequency signals. In a specific implementation, the radio frequency (RF) module 716 can include, but is not limited to: an antenna system, an RF transceiver, one or more amplifiers, a tuner, one or more oscillators, a digital signal processor, a CODEC chip, a SIM card, and Storage media, etc. In some embodiments, a radio frequency (RF) module 716 can be implemented on a separate chip.

Memory 715 is coupled to processor 711 for storing various software programs and/or sets of instructions. In particular implementations, memory 715 can include high speed random access memory, and can also include non-volatile memory, such as one or more magnetic disk storage devices, flash memory devices, or other non-volatile solid state storage devices. The memory 715 can store an operating system (hereinafter referred to as a system) such as an embedded operating system such as ANDROID, IOS, WINDOWS, or LINUX. The memory 715 can also store a network communication program that can be used to communicate with one or more additional devices, one or more terminal devices, one or more network devices. The memory 715 can also store a user interface program, which can realistically display the content of the application through a graphical operation interface, and receive user control operations on the application through input controls such as menus, dialog boxes, and keys. .

Memory 715 can also store one or more applications. As shown in FIG. 7, these applications may include: social applications (such as Facebook), image management applications (such as photo albums), map applications (such as Google Maps), browsers (such as Safari, Google Chrome), etc. .

It should be understood that the terminal 700 is only an example provided by an embodiment of the present invention, and that the terminal 700 may have more or less components than those shown, two or more components may be combined, or may have components. Different configurations are implemented.

In another embodiment of the present invention, there is provided a computer readable storage medium storing a computer program, which when executed by a processor, implements the above described embodiment of FIG. 2 or FIG. 3 The sound adjustment method of the audio output device.

The computer readable storage medium may be an internal storage unit of the terminal described in any of the foregoing embodiments, such as a hard disk or a memory of the terminal. The computer readable storage medium may also be an external storage device of the terminal, such as a plug-in hard disk equipped on the terminal, a smart memory card (SMC), and a Secure Digital (SD) card. , Flash Card, etc. Further, the computer readable storage medium may also include both an internal storage unit of the terminal and an external storage device. The computer readable storage medium is for storing the computer program and other programs and data required by the terminal. The computer readable storage medium can also be used to temporarily store data that has been output or is about to be output.

Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both, for clarity of hardware and software. Interchangeability, the composition and steps of the various examples have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.

A person skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working process of the method, the device and the unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed methods, devices, and units may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or Some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention contributes in essence or to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

The foregoing is only a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto, and any equivalents can be easily conceived by those skilled in the art within the technical scope disclosed by the present invention. Modifications or substitutions are intended to be included within the scope of the present application. Therefore, the scope of protection of this application should be determined by the scope of protection of the claims.

Claims

A sound effect adjustment method for an audio output device, comprising:

Send the first sound;

Receiving a second sound, the second sound being a reflected sound of the first sound;

Obtaining a third frequency response curve according to a frequency response curve of the first sound and a frequency response curve of the second sound; the third frequency response curve characterizing the mixing of the first sound and the second sound Frequency response characteristics;

Comparing the third frequency response curve with a frequency response curve of the first sound to obtain a first sound effect adjustment parameter of the audio output device; the first sound effect adjustment parameter characterizing the first sound and The distortion of the second sound generated relative to the distortion of the first sound is used to adjust the audio output by the audio output device.
The method of claim 1 further comprising:

Receiving, by the user, a correction adjustment parameter based on the first sound effect adjustment parameter;

And modifying the first sound effect adjustment parameter to obtain a second sound effect adjustment parameter according to the correction adjustment parameter; and the second sound effect adjustment parameter is used to adjust an audio output.
The method of claim 2 wherein said receiving said user input correction adjustment parameters comprises:

A user's voice input is received, the voice input being used to indicate the correction adjustment parameter.
The method of claim 3, further comprising:

Determining, according to the keyword in the voice information, a play style associated with the keyword in the first database; the first database includes at least one play style and the at least one play style respectively corresponding to Correcting adjustment parameters;

Determining the first sound effect adjustment parameter according to the correction adjustment parameter, and acquiring the second sound effect adjustment parameter, specifically:

Modifying the first sound effect adjustment parameter according to the correction adjustment parameter corresponding to the play style Take the second sound effect adjustment parameter.
The method of claim 1 further comprising:

It is judged whether there is a change in the position of the audio output device, and if the position of the audio output device is changed, the step of transmitting the first sound is re-executed.
An audio output device, comprising:

a sending unit, configured to send the first sound;

a receiving unit, configured to receive a second sound, where the second sound is a reflected sound of the first sound;

a processing unit, configured to acquire a third frequency response curve according to a frequency response curve of the first sound and a frequency response curve of the second sound; the third frequency response curve characterizing the first sound and the first Frequency response characteristics after mixing of two sounds;

The processing unit is further configured to compare the third frequency response curve with the first frequency response curve to obtain a first sound effect adjustment parameter of the audio output device; the first sound effect adjustment parameter representation The distortion of the first sound and the second sound generated relative to the first sound is used to adjust the audio output by the audio output device.
The device according to claim 6, further comprising:

The receiving unit is further configured to receive a correction adjustment parameter that is input by the user based on the first sound effect adjustment parameter;

The processing unit is further configured to: modify the second sound effect adjustment parameter according to the correction adjustment parameter to obtain a second sound effect adjustment parameter; and the second sound effect adjustment parameter is used to adjust an audio output.
The device according to claim 7, wherein said receiving adjustment adjustment parameters input by a user comprises:

The receiving unit receives a voice input of the user, the voice input being used to indicate the correction adjustment parameter.
The device according to claim 8, further comprising:

The processing unit is further configured to: in the first database, match a play style associated with the keyword according to a keyword in the voice information; the first database includes at least one play style and the Correction adjustment parameters corresponding to at least one of the playback styles;

Determining the first adjustment parameter according to the correction adjustment parameter, and acquiring the second adjustment parameter, specifically:

And modifying the first adjustment parameter according to the correction adjustment parameter corresponding to the play style, and acquiring the second adjustment parameter.
The device according to claim 6, further comprising:

The judging unit judges whether there is a change in the position of the audio output device, and if the position of the audio output device changes, re-executes the step of transmitting the first sound.