WO2014094496A1 - Audio output adjustment method and system thereof - Google Patents

Abstract

An audio output adjustment method and system thereof, the method comprising the following steps: acquiring the frequency of a current environmental sound and the frequency of a current audio output (S101); determining whether the difference between the frequencies of the audio output and the environmental sound is less than a preset threshold (S102); and if yes, then increasing the frequency of the audio output (S103). The audio output adjustment method and system thereof can automatically adjust an audio output according to environmental noise, such that a user can listen to the content of the audio output as clearly as possible in various kinds of environments without manually adjusting the audio output during audio/video play.

Description

Output audio adjustment method and system thereof

[Technical Field]

The present invention relates to the technical field of audio adjustment, and more particularly to an output audio adjustment method, and an output audio adjustment system.

【Background technique】

In the process of audio and video playback, there are often situations where there is a lot of noise in the surrounding environment. When the ambient noise is large, it is often necessary to manually increase the volume of the audio output so that it can still be under high ambient noise. Listen clearly to the audio content being played.

However, relying on manual adjustment of the volume is not convenient for the user, and in some applications, the sound frequency of the ambient sound is higher than the sound frequency of the output audio itself, and the sound of the high frequency is sharper than the sound of the lower frequency. While the human ear is more sensitive to sharp sounds than to low-pitched sounds, even if the volume of the output audio is adjusted to be higher than the ambient sound, only ambient noise may be heard, and the content of the output audio may not be heard clearly.

[Summary of the Invention]

In view of the problems in the above background art, an object of the present invention is to provide an output audio adjustment method and system thereof, which can automatically adjust output audio according to environmental noise, so that the user can listen as clearly as possible in various use environments. Output the content of the audio.

An output audio adjustment method includes the following steps:

Obtain the frequency of the current ambient sound and the frequency of the currently output audio;

Determining whether a difference between the output audio and the frequency of the ambient sound is less than a preset threshold;

If less than the preset threshold, the frequency of the output audio is increased.

An output audio adjustment system includes:

a frequency acquisition module, configured to acquire a frequency of a current ambient sound and a frequency of the currently output audio;

a frequency discriminating module, configured to determine whether a difference between the output audio and the frequency of the ambient sound is less than a preset threshold;

And a frequency adjustment module, configured to increase a frequency of the output audio when the determination result is less than the preset threshold.

In the output audio adjusting method and system thereof of the present invention, the frequency of the current ambient sound and the frequency of the output audio are obtained by real-time detection, and the frequency magnitudes of the two are compared, when the difference between the output audio and the frequency of the ambient sound is less than When the threshold is preset, the frequency of the output audio is increased, so that the user can clearly hear the content of the output audio under different environmental sounds.

[Description of the Drawings]

1 is a schematic flow chart of a first embodiment of an output audio adjustment method according to the present invention;

2 is a schematic flow chart of a second embodiment of an output audio adjustment method according to the present invention;

3 is a schematic structural view of a first embodiment of an output audio adjustment system of the present invention;

4 is a schematic structural view of a second embodiment of the output audio adjustment system of the present invention.

 【detailed description】

Please refer to FIG. 1. FIG. 1 is a schematic flow chart of a first embodiment of an output audio adjustment method according to the present invention.

The output audio adjustment method includes the following steps:

S101. Acquire a frequency of a current ambient sound and a frequency of the currently output audio.

S102. Determine whether a difference between the output audio and the frequency of the ambient sound is less than a preset threshold.

S103. If the preset threshold is less than, increase the frequency of the output audio.

Wherein, for step S101, the frequency and volume of the ambient sound can be measured in real time by a sound sensor. The frequency and volume of the output audio can be measured in real time by the sound sensor, or can be obtained by reading relevant parameters of the output audio in the audio and video data.

In particular, since the ambient sound may include a plurality of different frequency noises, the frequency of the ambient sound may be determined by any of the following methods, but is not limited to the following manners:

The first way is: obtaining the frequency of the ambient sound having the highest frequency as the frequency of the current ambient sound; in the present mode, the highest frequency ambient sound component is used as the frequency of the current ambient sound, and the highest frequency can be prevented. The ambient sound interferes with the output audio, maximizing the frequency difference between the output audio and the ambient sound, making the output audio more prominent.

The second way is to obtain the frequency average of all ambient sounds as the frequency of the current ambient sound; wherein the frequency average of the ambient sounds is the frequency average of the components of all the different frequencies included in the ambient sound.

The third way is: separately obtaining the frequency and volume of the sub-environment sounds of all the different frequencies included in the environmental sound, and calculating the frequency of the current environmental sound according to the following formula: f=(F1*A1/(A1+A2+... +Am)+ F2*A2/(A1+A2+...+Am)+...+ Fm*Am/(A1+A2+...+Am))/m; where f is the calculated frequency of the current ambient sound, m is the number of sub-environment sounds of different frequencies; Fm is the frequency of the mth sub-ambient sound , Am volume is the volume of the mth sub-ambient sound.

In the above third mode, considering the influence of the volume and the frequency of each component of all the different frequencies included in the environmental sound, the component having a large volume has a large influence on the operation result f, and thus is calculated by this method. The frequency of the current ambient sound obtained can best reflect the influence of the frequency of the ambient sound on the listening of the output audio.

In step S102, the frequency of the output audio is compared with the frequency of the acquired ambient sound, and the difference is calculated to determine whether the difference is less than a preset threshold. The preset threshold should be the minimum allowed between the frequency of the output audio and the frequency of the ambient sound, and the preset threshold can be set to a positive or negative number as needed.

If the difference is less than the preset threshold, indicating that the frequency of the output audio is too low, step S103 needs to be performed to automatically adjust the frequency of the output audio; otherwise, the frequency of the output audio itself is already high enough, and step S103 is not required, and the process returns to step S101 and S102: Re-acquire the frequency of the ambient sound and the output audio for comparison.

In step S103, the frequency of the output audio is adjusted. There are various ways to increase the frequency of the output audio, for example, setting a frequency modulator on an output channel of the output audio to increase the output frequency. At the time of frequency adjustment, the frequency of the output audio can be increased by a preset value, or by several times.

In a preferred embodiment, the frequency of the output audio is adjusted according to the frequency of the ambient sound and a preset optimal frequency difference, wherein the preset optimal frequency difference may be according to different needs. The specific setting is preferably a difference in sound frequency that optimizes the human auditory effect, and can be determined by referring to a well-known physiological knowledge setting or based on an optimal auditory effect empirical knowledge base table. While adjusting the frequency of the output audio, one of the following methods may be adopted, but is not limited to the following methods:

The first method is to directly adjust the frequency of the output audio to be equal to the sum of the frequency of the ambient sound and the preset optimal frequency difference;

The second method is: determining whether the sum of the frequency of the ambient sound and the preset optimal frequency difference is greater than a preset frequency maximum; if the frequency is greater than the maximum value, adjusting the frequency of the output audio Up to the frequency maximum; otherwise, the frequency of the output audio is adjusted to be equal to the sum of the frequency of the ambient sound and the preset optimal frequency difference.

The above two methods can maintain the difference in sound frequency of the human ear hearing effect between the frequency of the output audio and the frequency of the ambient sound, so that the user can better listen to the content of the output audio. The second method sets the maximum value of the frequency, and when the ambient audio frequency is too high, the frequency of the output audio is no longer unrestricted, and the frequency of the output audio is prevented from becoming too harsh, which is more suitable for the general user. Listen to the request.

In particular, when the above method is adopted, when the frequency of the output audio is adjusted, one of the plurality of sub-audies included in the output audio may be selected as a reference, thereby including all of the output audio The frequency of the sub audio is adjusted. Specifically, the following methods can be used:

Adjusting a frequency of the output audio to a sum equal to a frequency of the ambient sound and a preset optimal frequency difference, adjusting a frequency of the sub-audio having the highest frequency included in the output audio to be equal to Determining a frequency of the ambient sound and a preset optimal frequency difference; acquiring a frequency adjustment amplitude of the sub-audio having the highest frequency; adjusting a frequency of all sub-audines included in the output audio according to the frequency adjustment amplitude ;

Adjusting a frequency of the sub-audio having the highest frequency included in the output audio to be equal to the frequency maximum when the frequency of the output audio is adjusted to be equal to the maximum value of the frequency; acquiring the highest frequency Frequency adjustment amplitude of the sub audio; adjusting the frequency of all sub audios included in the output audio according to the frequency adjustment amplitude.

The output audio adjusting method of the present invention can determine and automatically adjust the sound frequency of the output audio according to the sound frequency of the ambient sound in which the viewer is located, so that the user does not need to manually adjust the sound of the audio and video, thereby obtaining a better hearing effect.

Please refer to FIG. 2. FIG. 2 is a schematic flow chart of a second embodiment of the output audio adjustment method of the present invention.

The output audio adjustment method of the second embodiment differs from the first embodiment mainly in that it further includes the following steps:

S104. Acquire a volume value of the current ambient sound and a volume value of the currently output audio.

S105. Determine whether a difference between the output audio and a volume value of the ambient sound is less than a preset threshold.

S106. If the preset threshold is less than, increase the volume of the output audio.

In the step S104, the volume of the ambient sound may be determined by any one of the following methods, but is not limited to the following manner:

The first way is to obtain the volume value of the ambient sound having the highest frequency as the volume value of the current ambient sound. Taking the highest-level ambient sound component as the volume of the current ambient sound, the ambient sound with the highest volume can be prevented from interfering with the output audio, and the volume difference between the output audio and the ambient sound is maximized, so that the output audio is more prominent. .

The second way is to obtain the volume average of all ambient sounds as the volume value of the current ambient sound. Wherein, the volume average of the ambient sound is the volume average of the components of all the different frequencies included in the ambient sound.

The third way is: separately obtaining the frequency and volume of the sub-environment sounds of all the different frequencies included in the ambient sound, and calculating the volume value of the current ambient sound according to the following formula: a=(A1*F1/..F1+F2+.. .+Fm)+ A2*F2/(F1+F2+...+Fm)+...+ Am*Fm/(F1+F2+...+Fm))/m; where a is the calculated volume value of the current ambient sound, m is the number of sub-environment sounds of different frequencies; Fm is the mth sub-ambient sound Frequency, Am volume is the volume of the mth sub-ambient sound.

In the above third mode, considering the influence of the volume and the frequency of each component of all the different frequencies included in the environmental sound, the component having a high frequency has a large influence on the operation result a, and thus is calculated by this method. The volume of the current ambient sound obtained can best reflect the effect of the volume of the ambient sound on the listening of the output audio.

In step S105, the volume of the output audio is compared with the frequency of the acquired ambient sound, and the difference is calculated to determine whether the difference is less than a preset threshold. The preset threshold should be the minimum allowed between the volume of the output audio and the volume of the ambient sound, and the preset threshold can be set to a positive or negative number as needed.

If the difference is less than the preset threshold, indicating that the volume of the output audio is too low, step S106 needs to be performed to automatically adjust the volume of the output audio; otherwise, the volume of the output audio itself is already high enough, and step S106 need not be performed, and the process returns to step S104 and S105, reacquire the volume of the ambient sound and the output audio for comparison.

In step S106, the volume of the output audio is adjusted. There are various ways to increase the volume of the output audio, for example, setting a power amplifier on an output channel of the output audio to increase the amplification factor of the output frequency. When the volume is adjusted, the volume of the output audio can be increased by a preset value, or by several times.

In a preferred embodiment, the volume of the output audio is adjusted according to the volume of the ambient sound and a preset optimal volume difference, wherein the preset optimal volume difference may be according to different needs. The specific setting is preferably a volume difference that optimizes the human auditory effect, and can be determined by referring to a well-known physiological knowledge setting or based on an optimal auditory effect experience knowledge base table. Then, when adjusting the volume of the output audio, one of the following methods may be adopted, but is not limited to the following methods:

The first method is to directly adjust the volume of the output audio to be equal to the sum of the volume of the ambient sound and the preset optimal volume difference;

The second method is: determining whether the sum of the volume of the ambient sound and the preset optimal volume difference is greater than a preset volume maximum; if greater than the volume maximum, adjusting the volume of the output audio Up to the volume maximum; otherwise, the volume of the output audio is adjusted to be equal to the sum of the volume of the ambient sound and the preset optimal volume difference.

The above two methods can maintain the difference of the sound volume of the ear hearing effect between the volume of the output audio and the volume of the ambient sound, so that the user can better listen to the content of the output audio. The second method sets the maximum value of the volume, and when the volume of the ambient sound is too high, the volume of the output audio is no longer increased without limit, and the volume of the output audio is prevented from being too high and becomes harsh, which is more suitable for the general user. Listening requirements.

The output audio adjusting method of the present invention can determine and automatically adjust the sound frequency of the output audio and the volume of the sound according to the sound frequency and volume of the ambient sound in which the viewer is located, so that the user does not need to manually adjust the sound frequency and volume of the audio and video. Get better hearing results.

Please refer to FIG. 3. FIG. 3 is a schematic structural diagram of a first embodiment of an output audio adjustment system according to the present invention.

The output audio adjustment system includes:

The frequency obtaining module 11 is configured to acquire a frequency of the current ambient sound and a frequency of the currently output audio;

The frequency discriminating module 12 is configured to determine whether a difference between the output audio and the frequency of the ambient sound is less than a preset threshold;

The frequency adjustment module 13 is configured to increase the frequency of the output audio when the determination result is less than the preset threshold.

The frequency acquisition module 11 can measure the frequency and volume of the ambient sound in real time by controlling the sound sensor. The frequency and volume of the output audio can be measured in real time by the sound sensor, or can be obtained by reading relevant parameters of the output audio in the audio and video data.

Since the ambient sound may include a plurality of different frequency noises, the frequency acquisition module includes any one of the following sub-modules:

a highest frequency acquisition submodule for obtaining a frequency of an ambient sound having the highest frequency as a frequency of the current ambient sound;

An average frequency acquisition sub-module, configured to obtain a frequency average of all ambient sounds as a frequency of the current ambient sound;

The frequency operation acquisition sub-module is configured to separately acquire the frequency and volume of the sub-environment sounds of all the different frequencies included in the ambient sound, and calculate the frequency of the current environmental sound according to the following formula: f=(F1*A1/.(A1+A2+. ..+Am)+F2*A2/(A1+A2+...+Am)+...+Fm*Am/(A1+A2+...+Am))/m; where f is the current calculation The frequency of the ambient sound, m is the number of sub-environment sounds of different frequencies; Fm is the frequency of the mth sub-ambient sound, and the Am volume is the volume of the mth sub-ambient sound.

The highest frequency acquisition sub-module uses the highest-frequency ambient sound component as the frequency of the current ambient sound, which can prevent the ambient sound of the highest frequency from listening to the output audio, and maximize the frequency of the output audio and the ambient sound. The difference makes the output audio more prominent.

The average frequency acquisition sub-module acquires a frequency average of the ambient sounds, that is, a frequency average of components of all the different frequencies included in the ambient sound.

The frequency operation acquisition sub-module takes into account the influence of the volume and the frequency of each component of all the different frequencies included in the ambient sound, and the component with a large volume has a greater influence on the operation result f, so the calculation is obtained by this method. The frequency of the current ambient sound most accurately reflects the effect of the frequency of the ambient sound on the listening of the output audio.

The frequency discriminating module 12 compares the frequency of the output audio with the frequency of the acquired ambient sound, calculates a difference thereof, and determines whether the difference is less than a preset threshold. The preset threshold should be the minimum allowed between the frequency of the output audio and the frequency of the ambient sound, and the preset threshold can be set to a positive or negative number as needed.

If the difference is less than the preset threshold, indicating that the frequency of the output audio is too low, the frequency of the output audio needs to be automatically adjusted; otherwise, the frequency of the output audio itself is already high enough that no adjustment is needed.

The frequency adjustment module 13 adjusts the frequency of the output audio. There are various ways to increase the frequency of the output audio, for example, setting a frequency modulator on an output channel of the output audio to increase the output frequency. At the time of frequency adjustment, the frequency of the output audio can be increased by a preset value, or by several times.

In a preferred embodiment, the frequency adjustment module 13 adjusts the frequency of the output audio according to the frequency of the ambient sound and a preset optimal frequency difference, wherein the preset optimal frequency difference The value can be specifically set according to different needs, and is preferably a difference in sound frequency that makes the human auditory effect optimal, and can be determined by referring to a well-known physiological knowledge setting or based on the best auditory effect experience knowledge base table.

The frequency adjustment module 13 includes any one of the following sub-modules:

a first frequency adjustment submodule, configured to adjust a frequency of the output audio to be equal to a sum of a frequency equal to the ambient sound and a preset optimal frequency difference;

a second frequency adjustment submodule, configured to determine whether a sum of a frequency of the ambient sound and a preset optimal frequency difference is greater than a preset frequency maximum; if the frequency is greater than the maximum value, the output audio is The frequency is adjusted to be equal to the maximum value of the frequency; otherwise, the frequency of the output audio is adjusted to be equal to the sum of the frequency of the ambient sound and the preset optimal frequency difference.

The first and second frequency adjustment sub-modules can maintain a difference in sound frequency between the frequency of the output audio and the frequency of the ambient sound, so that the user can better listen to the output audio. content. The second frequency adjustment sub-module sets the frequency maximum value, and when the ambient audio frequency is too high, the frequency of the output audio is no longer unrestricted, and the frequency of the output audio is prevented from becoming too high and becomes harsh. Meet the general user's listening requirements.

In particular, when the frequency of the output audio is to be adjusted, one of the plurality of sub-audies included in the output audio may be selected as a reference, so that the frequency of all the sub-audines included in the output audio Make adjustments. then:

The first and second frequency adjustment submodules, when the frequency of the output audio is adjusted to be equal to a sum of a frequency of the ambient sound and a preset optimal frequency difference, the output audio includes The frequency of the highest frequency sub-audio is adjusted to be equal to the sum of the frequency of the ambient sound and the preset optimal frequency difference; acquiring the frequency adjustment amplitude of the sub-audio having the highest frequency; adjusting the amplitude adjustment according to the frequency Describe the frequency of all sub-audines included in the output audio;

The second frequency adjustment submodule adjusts a frequency of the sub audio having the highest frequency included in the output audio to be equal to the maximum value of the frequency when the frequency of the output audio is adjusted to be equal to the maximum value of the frequency Obtaining a frequency adjustment amplitude of the sub-audio having the highest frequency; adjusting a frequency of all sub-audines included in the output audio according to the frequency adjustment amplitude.

The output audio adjustment system of the present invention can determine and automatically adjust the sound frequency of the output audio according to the sound frequency of the ambient sound in which the viewer is located, so that the user does not need to manually adjust the sound of the audio and video to obtain a better audible effect.

Please refer to FIG. 4. FIG. 4 is a schematic structural diagram of a second embodiment of the output audio adjustment system of the present invention.

The output audio adjustment system of the second embodiment differs from the first embodiment mainly in that it further includes:

The volume obtaining module 14 is configured to acquire a volume value of the current ambient sound and a volume value of the currently output audio;

The volume discriminating module 15 is configured to determine whether a difference between the volume of the output audio and the volume of the ambient sound is less than a preset threshold;

The volume adjustment module 16 is configured to increase the volume of the output audio when the determination result is less than the preset threshold.

The volume acquisition module 14 includes any one of the following sub-modules:

The highest volume acquisition sub-module is configured to obtain the volume value of the ambient sound with the highest volume as the volume of the current ambient sound;

The average volume acquisition sub-module is configured to obtain the volume average of all ambient sounds as the volume of the current ambient sound;

The volume operation acquisition sub-module is configured to respectively acquire the frequency and volume of the sub-environment sounds of all the different frequencies included in the ambient sound, and calculate the volume value of the current ambient sound according to the following formula: a=(A1*F1/(F1+F2+) ...+Fm)+ A2*F2/(F1+F2+...+Fm)+...+ Am*Fm/(F1+F2+...+Fm))/m; where a is the calculated volume value of the current ambient sound, m is the number of sub-environment sounds of different frequencies; Fm is the mth sub-ambient sound Frequency, Am volume is the volume of the mth sub-ambient sound.

The highest volume acquisition sub-module uses the highest-level ambient sound component as the volume of the current ambient sound, which can prevent the ambient sound of the highest volume from interfering with the output audio, and maximally increase the volume of the output audio and the ambient sound. The difference makes the output audio more prominent.

The average volume acquisition sub-module acquires a volume average of the ambient sound, that is, a volume average of components of all the different frequencies included in the ambient sound.

The volume operation acquisition sub-module takes into account the influence of the volume and the frequency of each component of all the different frequencies included in the environmental sound, and the component with a large frequency has a large influence on the operation result a, so that the calculation is obtained by this method. The volume of the current ambient sound most accurately reflects the effect of the volume of the ambient sound on the listening of the output audio.

The volume discriminating module 15 compares the volume of the output audio with the volume of the acquired ambient sound, calculates a difference thereof, and determines whether the difference is less than a preset threshold. The preset threshold should be the minimum allowed between the frequency of the output audio and the volume of the ambient sound, and the preset threshold can be set to a positive or negative number as needed.

If the difference is less than the preset threshold, indicating that the volume of the output audio is too low, the volume of the output audio needs to be automatically adjusted; otherwise, the volume of the output audio itself is already high enough that no adjustment is needed.

The volume adjustment module 16 adjusts the volume of the output audio. There are various ways to increase the volume of the output audio, for example, setting a power amplifier on an output channel of the output audio to increase the power amplification factor of the output audio. When the volume is adjusted, the volume of the output audio can be increased by a preset value, or by several times.

In a preferred embodiment, the volume adjustment module 16 adjusts the volume of the output audio according to the volume of the ambient sound and a preset optimal volume difference, wherein the preset optimal volume difference The value can be specifically set according to different needs, and is preferably a sound volume difference that is optimal for the human auditory effect, and can be determined by referring to a well-known physiological knowledge setting or based on the best auditory effect experience knowledge base table.

The volume adjustment module 16 includes any one of the following sub-modules:

a first volume adjustment submodule, configured to adjust a volume of the output audio to be equal to a sum of a volume of the ambient sound and a preset optimal volume difference;

a second volume adjustment submodule, configured to determine whether a sum of a volume of the ambient sound and a preset optimal volume difference is greater than a preset volume maximum; if greater than the volume maximum, the output audio The volume is adjusted to be equal to the volume maximum; otherwise, the volume of the output audio is adjusted to be equal to the sum of the volume of the ambient sound and the preset optimal volume difference.

The first and second volume adjustment sub-modules can maintain a volume difference between the volume of the output audio and the volume of the ambient sound, so that the user can better listen to the content of the output audio. . The second volume adjustment sub-module sets the volume maximum value, and when the ambient sound volume is too high, the volume of the output audio is no longer increased without limit, and the volume of the output audio is prevented from becoming too high and becomes harsh. Meet the general user's listening requirements.

In particular, when the volume of the output audio is to be adjusted, one of the plurality of sub-audies included in the output audio may be selected as a reference, so that the volume of all the sub-audines included in the output audio is Make adjustments. then:

The first and second volume adjustment submodules, when the volume of the output audio is adjusted to be equal to a sum of a volume of the ambient sound and a preset optimal volume difference, the output audio includes And adjusting a volume of the sub-audio of the highest volume to be equal to a sum of a volume of the ambient sound and a preset optimal volume difference; acquiring a volume adjustment range of the sub-audio having the highest volume; and adjusting the amplitude according to the volume adjustment range Describe the volume of all sub-audines included in the output audio;

The second volume adjustment submodule adjusts a volume of the sub audio having the highest volume included in the output audio to be equal to the volume maximum when the volume of the output audio is adjusted to be equal to the volume maximum Obtaining a volume adjustment amplitude of the sub-audio having the highest volume; adjusting a volume of all sub-audines included in the output audio according to the volume adjustment amplitude.

The output audio adjustment system of the present invention can determine and automatically adjust the sound frequency and volume of the output audio according to the sound frequency and volume of the ambient sound in which the viewer is located, so that the user can obtain better sound without manually adjusting the sound of the audio and video. Hearing effect.

A person skilled in the art can understand that all or part of the processes and corresponding systems in the above embodiments can be implemented by a computer program to instruct related hardware, and the program can be stored in a computer readable storage medium. The program, when executed, may include the processes of the various embodiments described above. The storage medium may be a magnetic disk, an optical disk, or a read-only storage memory (Read-Only) Memory, ROM) or Random Access Memory (RAM).

The above-mentioned embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims (10)

1. An output audio adjustment method, comprising the steps of:

   Obtain the frequency of the current ambient sound and the frequency of the currently output audio;

   Determining whether a difference between the output audio and the frequency of the ambient sound is less than a preset threshold;

   If less than the preset threshold, the frequency of the output audio is increased.
2. The output audio adjustment method according to claim 1, wherein the frequency of the current ambient sound is obtained by any one of the following methods:

   Obtaining the frequency of the ambient sound having the highest frequency as the frequency of the current ambient sound;

   Or, obtain the average frequency of all ambient sounds as the frequency of the current ambient sound;

   Or, respectively, acquiring the frequency and volume of the sub-ambient sounds of all the different frequencies included in the environmental sound, and calculating the frequency of the current environmental sound according to the following formula: f=(F1*A1/(A1+A2+...+Am)+ F2*A2/(A1+A2+...+Am)+...+Fm*Am/(A1+A2+...+Am))/m; where f is the calculated frequency of the current ambient sound, m The number of sub-ambient sounds of different frequencies; Fm is the frequency of the mth sub-ambient sound, and the Am volume is the volume of the mth sub-ambient sound.
3. The output audio adjusting method according to claim 1, wherein the frequency of the output audio is increased by any one of the following methods:

   Adjusting a frequency of the output audio to be equal to a sum of a frequency of the ambient sound and a preset optimal frequency difference;

   or,

   Determining whether a sum of a frequency of the ambient sound and a preset optimal frequency difference is greater than a preset frequency maximum; if greater than the frequency maximum, adjusting a frequency of the output audio to be equal to the maximum frequency Value; otherwise, the frequency of the output audio is adjusted to be equal to the sum of the frequency of the ambient sound and the preset optimal frequency difference.
4. The output audio adjustment method according to any one of claims 1 to 3, further comprising the steps of:

   Obtaining the volume value of the current ambient sound and the volume value of the currently output audio;

   Determining whether a difference between the output audio and the volume value of the ambient sound is less than a preset threshold;

   If it is less than the preset threshold, the volume of the output audio is adjusted according to the volume value of the ambient sound and a preset optimal volume difference.
5. The output audio adjustment method according to claim 4, wherein the volume value of the current ambient sound is obtained by any one of the following methods:

   Obtaining the volume value of the ambient sound having the highest volume as the volume value of the current ambient sound;

   Or, obtain the volume average of all ambient sounds as the volume value of the current ambient sound;

   Alternatively, respectively acquiring the frequency and volume of the sub-ambient sounds of all the different frequencies included in the environmental sound, and calculating the volume value of the current environmental sound according to the following formula: a=(A1*F1/(F1+F2+...+Fm) +A2*F2/(F1+F2+...+Fm)+...+Am*Fm/(F1+F2+...+Fm))/m; where a is the calculated volume value of the current ambient sound m is the number of sub-environment sounds of different frequencies; Fm is the frequency of the mth sub-ambient sound, and Am volume is the volume of the mth sub-ambient sound.
6. An output audio adjustment system, comprising:

   a frequency acquisition module, configured to acquire a frequency of a current ambient sound and a frequency of the currently output audio;

   a frequency discriminating module, configured to determine whether a difference between the output audio and the frequency of the ambient sound is less than a preset threshold;

   And a frequency adjustment module, configured to increase a frequency of the output audio when the determination result is less than the preset threshold.
7. The output audio adjustment system of claim 6 wherein said frequency acquisition module comprises any one of the following sub-modules:

   a highest frequency acquisition submodule for obtaining a frequency of an ambient sound having the highest frequency as a frequency of the current ambient sound;

   An average frequency acquisition sub-module, configured to obtain a frequency average of all ambient sounds as a frequency of the current ambient sound;

   Alternatively, the frequency operation acquisition sub-module is configured to separately acquire the frequency and volume of the sub-environment sounds of all the different frequencies included in the ambient sound, and calculate the frequency of the current environmental sound according to the following formula: f=(F1*A1/(A1+) A2+...+Am)+F2*A2/(A1+A2+...+Am)+...+Fm*Am/(A1+A2+...+Am))/m; where f is the calculation The frequency of the current ambient sound, m is the number of sub-environment sounds of different frequencies; Fm is the frequency of the mth sub-ambient sound, and the Am volume is the volume of the mth sub-ambient sound.
8. The output audio adjustment system of claim 6 wherein said frequency adjustment module comprises any one of the following sub-modules:

   a first frequency adjustment submodule, configured to adjust a frequency of the output audio to be equal to a sum of a frequency equal to the ambient sound and a preset optimal frequency difference;

   Or a second frequency adjustment submodule, configured to determine whether a sum of a frequency of the ambient sound and a preset optimal frequency difference is greater than a preset frequency maximum value; if greater than the frequency maximum value, The frequency of the output audio is adjusted to be equal to the maximum value of the frequency; otherwise, the frequency of the output audio is adjusted to be equal to the sum of the frequency of the ambient sound and the preset optimal frequency difference.
9. The output audio adjustment system according to any one of claims 6 to 8, further comprising:

   a volume obtaining module, configured to acquire a volume value of the current ambient sound and a volume value of the currently output audio;

   a volume discriminating module, configured to determine whether a difference between the volume of the output audio and the volume of the ambient sound is less than a preset threshold;

   And a volume adjustment module, configured to adjust a volume of the output audio according to a volume value of the ambient sound and a preset optimal volume difference when the determination result is less than the preset threshold.
10. The output audio adjustment system of claim 9, wherein the volume acquisition module comprises any one of the following sub-modules:

    The highest volume acquisition sub-module is configured to obtain the volume value of the ambient sound with the highest volume as the volume value of the current ambient sound;

    An average volume acquisition sub-module, configured to obtain a volume average of all ambient sounds as a volume value of the current ambient sound;

    Alternatively, the volume operation acquisition sub-module is configured to separately acquire the frequency and volume of the sub-environment sounds of all the different frequencies included in the environmental sound, and calculate the volume value of the current environmental sound according to the following formula: a=(A1*F1/(F1) +F2+...+Fm)+A2*F2/(F1+F2+...+Fm)+...+Am*Fm/(F1+F2+...+Fm))/m; where a is The calculated volume value of the current ambient sound, m is the number of sub-ambient sounds of different frequencies; Fm is the frequency of the mth sub-ambient sound, and the Am volume is the volume of the mth sub-ambient sound.

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