CN103841241B - Volume adjusting method and apparatus - Google Patents
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- CN103841241B CN103841241B CN201210477692.XA CN201210477692A CN103841241B CN 103841241 B CN103841241 B CN 103841241B CN 201210477692 A CN201210477692 A CN 201210477692A CN 103841241 B CN103841241 B CN 103841241B
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Abstract
The invention discloses a volume adjusting method and apparatus, and belongs to the technical field of audio processing. The method comprises: obtaining the perception loudness indicators of a first voice segment and a second voice segment in a conversation under an any-grade volume, wherein the first voice segment is a sound segment before the second sound segment, and the perception loudness indicators are obtained by weight integration according to a preset weight coefficient by volume with different frequencies in a voice spectrum; and according to the perception loudness indicators of the first voice segment and the second voice segment, determining the volume adjusting coefficient of the second voice segment, and adjusting the volume of the second voice segment according to the determined volume adjusting coefficient. According to the invention, the volume adjusting coefficient of the second voice segment is determined according to the perception loudness indicators of the first voice segment and the second voice segment obtained under the any-grade volume, and the volume of the second voice segment is adjusted accordingly, such that the volume is adjusted according to loudness, the adjusted actual loudness reaches a balance with the human ear perception loudness, and the volume adjusting effect is improved.
Description
Technical field
The present invention relates to audio signal processing technique field, particularly to a kind of method for regulation of sound volume and device.
Background technology
With the continuous progress of audio signal processing technique, the species using the speech ciphering equipment of audio signal processing technique gets more and more,
Either which kind of speech ciphering equipment, situation about differing for volume under varying environment, in order to bring good audition to user
Impression is it is often necessary to be adjusted to the volume of call.
Prior art, typically can be by the way of the adjustment of self adaptation volume when being adjusted to volume, and which is passed through
The physical parameters such as the amplitude of adjustment sound, frequency determine volume regulation coefficient, and every to call according to this volume regulation coefficient
The volume unification of Duan Shengyin is adjusted.
During realizing the present invention, inventor finds that prior art at least has problems with：
The power of sound is referred to as the loudness of sound, because the sound thickness of correspondent is different, even same rank sound
Under amount, the sound intensity that human ear is heard also can be different, and prior art only determines volume by way of adjusting physical parameter
Regulation coefficient, and the volume of every section of sound is all adjusted using same volume regulation coefficient, therefore, adjusted by prior art
Can there is certain deviation with the loudness of human ear subjective sensation in the actual loudness of the sound after whole volume, cause the Adjustment effect of volume not
Good.
Content of the invention
In order to solve problem of the prior art, embodiments provide a kind of method for regulation of sound volume and device.Described
Technical scheme is as follows：
On the one hand, there is provided a kind of method for regulation of sound volume, methods described includes：
The first acoustic segment in acquisition call under the other volume of any level and the perceived loudness index of rising tone segment, described
First acoustic segment is the acoustic segment before described rising tone segment, and described perceived loudness index is by different frequency in sound spectrum
Volume is weighted integration by its corresponding default weight coefficient and obtains；
Determine the volume of described rising tone segment according to the perceived loudness index of described first acoustic segment and rising tone segment
Regulation coefficient, and the volume of described rising tone segment is adjusted according to the volume regulation coefficient determining.
Wherein, described first acoustic segment is the previous acoustic segment adjacent with described rising tone segment；
The first acoustic segment in acquisition call under the described other volume in any level and the perceived loudness index of rising tone segment,
Specifically include：
The perception obtaining the previous acoustic segment adjacent with described rising tone segment in call under the other volume of any level rings
Degree index and the perceived loudness index of described rising tone segment.
Alternatively, described first acoustic segment is the first acoustic segment in described call；
The first acoustic segment in acquisition call under the described other volume in any level and the perceived loudness index of rising tone segment,
Specifically include：
The perceived loudness index of first acoustic segment and the described rising tone segment in call is obtained under the other volume of any level
Perceived loudness index.
Wherein, the described perceived loudness index according to described first acoustic segment and rising tone segment determines described second sound
The volume regulation coefficient of section, specifically includes：
By the ratio between the perceived loudness index of the perceived loudness index of described first acoustic segment and described rising tone segment
Value is as the volume regulation coefficient of the described rising tone segment determining.
Further, the perception of the first acoustic segment in acquisition call under the described other volume in any level and rising tone segment
Before loudness index, also include：
Obtain the volume that the single-tone of different frequency is adjusted according to same perceived loudness of user, and according to getting
Volume determines the corresponding default weight coefficient of the volume of different frequency；
Correspondingly, obtain the first acoustic segment in call under the described other volume in any level and the perception of rising tone segment rings
Degree index, specifically includes：
The first sound spectrum of the first acoustic segment and the rising tone segment in call is obtained under the other volume of any level
Second sound frequency spectrum；
The volume of different frequency in described first sound spectrum is weighted integrating by its corresponding default weight coefficient,
Obtain the perceived loudness index of described first acoustic segment, and the volume of different frequency in described second sound frequency spectrum pressed it corresponding to
Default weight coefficient be weighted integrate, obtain the perceived loudness index of described rising tone segment.
On the other hand, a kind of volume adjusting apparatus are additionally provided, described device includes：
Acquisition module, for obtaining the perception of the first acoustic segment in call and rising tone segment under the other volume of any level
Loudness index, described first acoustic segment is the acoustic segment before described rising tone segment, and described perceived loudness index is by sound audio
In spectrum, the volume of different frequency is weighted integration by its corresponding default weight coefficient and obtains；
Determining module, for the perceived loudness of the first acoustic segment of being got according to described acquisition module and rising tone segment
Index determines the volume regulation coefficient of described rising tone segment；
Adjusting module, the volume regulation coefficient for determining according to described determining module adjusts the sound of described rising tone segment
Amount.
Wherein, described first acoustic segment is the previous acoustic segment adjacent with described rising tone segment；
Described acquisition module is adjacent with described rising tone segment in call specifically for obtaining under the other volume of any level
The perceived loudness index of previous acoustic segment and described rising tone segment perceived loudness index.
Alternatively, described first acoustic segment is the first acoustic segment in described call；
Described acquisition module, specifically for obtaining the perceived loudness of the first acoustic segment in call under the other volume of any level
Index and the perceived loudness index of described rising tone segment.
Wherein, described determining module, specifically for by the perceived loudness index of described first acoustic segment and the described rising tone
Ratio between the perceived loudness index of segment is as the volume regulation coefficient of the described rising tone segment determining.
Further, described device, also includes：
Pretreatment module, for obtaining the sound that user is adjusted to the single-tone of different frequency according to same perceived loudness
Amount, and the corresponding default weight coefficient of the volume of different frequency is determined according to the volume getting；
Correspondingly, described acquisition module, specifically for the first acoustic segment in acquisition call under the other volume of any level
The second sound frequency spectrum of the first sound spectrum and rising tone segment；The volume of different frequency in described first sound spectrum is pressed
The default weight coefficient that its corresponding described pretreatment module determines is weighted integrating, and obtains the perception of described first acoustic segment
Loudness index, and the volume of different frequency in described second sound frequency spectrum is pressed the pre- of its corresponding described pretreatment module determination
If weight coefficient is weighted integrating, obtain the perceived loudness index of described rising tone segment.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
By obtaining first before rising tone segment and described rising tone segment in call under the other volume of any level
The perceived loudness index of acoustic segment, the rising tone determining according to the perceived loudness index according to the first acoustic segment and rising tone segment
The volume regulation coefficient of segment adjusts the volume of rising tone segment, thus realizing adjusting volume according to loudness it is ensured that converses is each
The loudness of individual acoustic segment is consistent, and makes the actual loudness after adjustment and the loudness of human ear subjective sensation reach balance, Jin Erti
The effect of louder volume adjustment.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of flow chart of method for regulation of sound volume that the embodiment of the present invention one provides；
Fig. 2 is a kind of human hearing characteristic curve synoptic diagram that the embodiment of the present invention two provides；
Fig. 3 is a kind of equal loudness contour schematic diagram that the embodiment of the present invention two provides；
Fig. 4 is a kind of method flow diagram of volume adjustment that the embodiment of the present invention two provides；
Fig. 5 is a kind of structural representation of volume adjusting apparatus that the embodiment of the present invention three provides；
Fig. 6 is the structural representation of another kind of volume adjusting apparatus that the embodiment of the present invention three provides.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
Present embodiments provide a kind of method for regulation of sound volume, referring to Fig. 1, the method flow that the present embodiment provides is concrete such as
Under：
101：The first acoustic segment in acquisition call under the other volume of any level and the perceived loudness index of rising tone segment,
First acoustic segment is the acoustic segment before rising tone segment, and perceived loudness index presses it by the volume of different frequency in sound spectrum
Corresponding default weight coefficient is weighted integration and obtains；
Wherein, the first acoustic segment is the previous acoustic segment adjacent with rising tone segment；
The first acoustic segment in acquisition call under the other volume of any level and the perceived loudness index of rising tone segment, specifically
Including but not limited to：
The perceived loudness obtaining the previous acoustic segment adjacent with rising tone segment in call under the other volume of any level refers to
Number and the perceived loudness index of rising tone segment.
Alternatively, the first acoustic segment is the first acoustic segment in call；
The first acoustic segment in acquisition call under the other volume of any level and the perceived loudness index of rising tone segment, specifically
Including but not limited to：
The perceived loudness index of first acoustic segment and the perception of rising tone segment of call is obtained under the other volume of any level
Loudness index.
102：Determine the volume adjustment of rising tone segment according to the perceived loudness index of the first acoustic segment and rising tone segment
Coefficient, and the volume of rising tone segment is adjusted according to the volume regulation coefficient determining.
Wherein, the volume adjustment of rising tone segment is determined according to the perceived loudness index of the first acoustic segment and rising tone segment
Coefficient, is specifically including but not limited to：
Using the ratio between the perceived loudness index of the first acoustic segment and the perceived loudness index of rising tone segment as true
The volume regulation coefficient of fixed rising tone segment.
Further, the perceived loudness of the first acoustic segment in acquisition call under the other volume of any level and rising tone segment
Before index, also include：
Obtain the volume that the single-tone of different frequency is adjusted according to same perceived loudness of user, and according to getting
Volume determines the corresponding default weight coefficient of the volume of different frequency；
Correspondingly, obtain the first acoustic segment in call under the other volume of any level and the perceived loudness of rising tone segment refers to
Number, specifically includes：
The first sound spectrum of the first acoustic segment and the rising tone segment in call is obtained under the other volume of any level
Second sound frequency spectrum；
The volume of different frequency in the first sound spectrum is weighted integrating by its corresponding default weight coefficient, obtains
The perceived loudness index of the first acoustic segment, and the volume of different frequency in second sound frequency spectrum is pressed its corresponding default weighting system
Number is weighted integrating, and obtains the perceived loudness index of rising tone segment.
The method that the present embodiment provides, by obtaining rising tone segment and the rising tone in call under the other volume of any level
The perceived loudness index of the first acoustic segment before segment, refers to according to according to the perceived loudness of the first acoustic segment and rising tone segment
The volume regulation coefficient of the rising tone segment that number determines adjusts the volume of rising tone segment, thus realizing adjusting sound according to loudness
Amount, it is ensured that the loudness of each acoustic segment of call is consistent, makes the loudness of the actual loudness after adjustment and human ear subjective sensation
Reach balance, and then improve the effect of volume adjustment.
In order to clearly illustrate the method for regulation of sound volume that above-described embodiment provides, in conjunction with the content of above-described embodiment,
Taking following examples two as a example, method for regulation of sound volume is described in detail, sees below embodiment two：
Embodiment two
For the sound under various environment, due to individual variation, everyone has different quick to the sound of different frequency
Sensitivity, illustrates the range of audibility of human ear in the human hearing characteristic curve chart shown in Fig. 2.Listen in conjunction with the human ear shown in Fig. 2
Feel that characteristic curve can be seen that in acoustic response region, the corresponding sound pressure level of different frequency differs.However, for not
Same frequency corresponding difference sound pressure levels, the sound intensity that human ear is felt but occasionally there are identical situation, as shown in Figure 3 etc.
Ring curve.On every curve of this equal loudness contour in figure, the numeral of mark is the unit of loudness, and it illustrates and waits loud condition
Lower sound pressure level and the relation of frequency, by this equal loudness contour figure it is known that when volume is less, human ear is to high bass perception not
Foot, and when volume is larger, human ear is abundant to high bass perception.For example, the sound intensity level of the sound of 1000Hz is 60dB, and another
The sound of individual frequency sounds loud as the 1000Hz sound of 60dB, then the loudness level of this sound is exactly 60 sides；And 50dB
100Hz pure tone and the 1000Hz pure tone etc. of 40dB ring, that is, both are located in same 40 side's equal loudness contour.
In conjunction with the curve synoptic diagram shown in Fig. 2 and Fig. 3, in order that everyone can feel to alternative sounds that identical is rung
Degree, present embodiments provides a kind of method for regulation of sound volume, the method carries out volume adjustment by the loudness according to sound, so that
Actual loudness after adjustment reaches balance with the loudness of human ear subjective sensation, and then ensures the effect of volume adjustment.In conjunction with above-mentioned
The content of embodiment one, referring to Fig. 4, the method flow that the present embodiment provides is specific as follows：
401：Obtain the volume that user is adjusted to the single-tone of different frequency according to same perceived loudness, and according to acquisition
To volume determine the corresponding default weight coefficient of the volume of different frequency；
For this step, why this step obtains user is adjusted to the single-tone of different frequency according to same perceived loudness
Whole volume, and the default weight coefficient according to corresponding to the volume that the volume getting determines different frequency, are to be directed to
The different volume Adjusted Option of different user customization, that is, be directed to the equal loudness contour that different user adjustment is suitable for, thus realizing volume
The individual demand of adjustment is it is ensured that each user can perceive identical loudness to different sound.When implementing, determine
The mode of the default weight coefficient corresponding to the volume of different frequency can have multiple, the present embodiment implement when, including but not
It is limited to the typical single-tone first taking different frequency, by playing out respectively under different decibel ratings, make user feel same
The loudness size of rank volume is the same, obtains this user afterwards and according to same perceived loudness, the single-tone of different frequency is carried out
The volume of adjustment, determines the default weight coefficient corresponding to the volume of different frequency further according to the volume getting.
In order to make it easy to understand, with corresponding by playing each frequency such as 20HZ, 40HZ, 60HZ, 1kHZ, 2kHZ, 15kHZ
As a example single-tone determines the corresponding default weight coefficient of different frequency, if typical problem is 50, played with 50 volume
After the single-tone of 20HZ, the loudness that user is felt to it, as standard loudness, subsequently still plays the list of 40HZ with 50 volume
Sound, now because user feels that its loudness is different from the loudness during single-tone playing 20HZ, the single-tone of 40HZ is play in therefore adjustment
Volume, until being adjusted to identical with the perceived loudness during single-tone playing 20HZ, now the single-tone volume of this 40HZ is 55,
Then pass through to compare volume twice, if the corresponding default weight coefficient of the volume of 20HZ is the corresponding weighting of volume of 1,40HZ
Coefficient is 55/50=1.1.In the same manner, the corresponding default weight coefficient of the volume of other subsequent frequencies is adopted and is determined in a like fashion,
This is no longer going to repeat them for the present embodiment.
Certainly, in addition to determine the corresponding default weight coefficient of the volume of different frequency using aforesaid way, can also root
According to age and/or the sex of different user, set the corresponding default weighting system of volume of different frequency respectively for each user
Number, sets the corresponding default weight coefficient of volume of different frequency based on experience value.In addition to this it is possible to select other true
Determine the mode of the corresponding default weight coefficient of volume of different frequency, the present embodiment not to the concrete frequency chosen and determines different
The mode of the corresponding default weight coefficient of volume of frequency is defined.
It should be noted that this step is optional step, the execution in the method that first time execution the present embodiment provides should
After step determines the corresponding default weight coefficient of the volume of different frequency, directly can use in each execution the method afterwards should
The default weight coefficient that step obtains, and this step need not be repeated every time.Further, since the difference that this step determines
Default weight coefficient corresponding to the volume of frequency be for each user for the loudness that the loudness perception of different frequency arrives
, and for different user, the loudness perception of same frequency to loudness be also possible to have differences, thus use for different
Family, can re-execute this step, think the different equal loudness contour of different user customization.
402：The first acoustic segment in acquisition call under the other volume of any level and the perceived loudness index of rising tone segment,
First acoustic segment is the acoustic segment before rising tone segment, and perceived loudness index presses it by the volume of different frequency in sound spectrum
Corresponding default weight coefficient is weighted integration and obtains；
Wherein, the first acoustic segment and rising tone segment are one of whole call sound clip, and the present embodiment is not to the
One acoustic segment and the rising tone segment position in call is defined, and the first acoustic segment is including but not limited to and second sound
The previous acoustic segment of Duan Xianglin；Then correspondingly, this step obtains the first acoustic segment in call and the under the other volume of any level
During the perceived loudness index of two acoustic segment, it is specifically including but not limited to：
The perceived loudness obtaining the previous acoustic segment adjacent with rising tone segment in call under the other volume of any level refers to
Number and the perceived loudness index of rising tone segment.
Alternatively, consistent in order to ensure the loudness of each acoustic segment in entirely conversing, that is, reach balance, can be by each sound
The loudness of segment is consistent with the loudness of the first acoustic segment of call, and therefore, this first acoustic segment can be first for call
Acoustic segment；Correspondingly, this step obtain under the other volume of any level call in the first acoustic segment and rising tone segment perception
During loudness index, it is specifically including but not limited to：
The perceived loudness index of first acoustic segment and the sense of rising tone segment in call is obtained under the other volume of any level
Know loudness index.
Specifically, no matter the first acoustic segment and second sound section are located at where call, in the other volume of any level
The mode of the perceived loudness index of lower the first acoustic segment obtaining in call and rising tone segment can have multiple, and the present embodiment is adopted
Mode is specifically including but not limited to：
The first sound spectrum of the first acoustic segment and the rising tone segment in call is obtained under the other volume of any level
Second sound frequency spectrum；
The volume of different frequency in the first sound spectrum is weighted integrating by its corresponding default weight coefficient, obtains
The perceived loudness index of the first acoustic segment, and the volume of different frequency in second sound frequency spectrum is pressed its corresponding default weighting system
Number is weighted integrating, and obtains the perceived loudness index of rising tone segment.
For example, the frequency that the first sound spectrum of the first acoustic segment includes is followed successively by 20HZ, 30HZ, 50HZ, and above-mentioned
The each self-corresponding default weight coefficient of volume of 20HZ, 30HZ, 50HZ that step 201 obtains is respectively 1.1,1.2 and 1.5, then
The volume of 20HZ, 30HZ, 50HZ is weighted after integration obtaining by its each self-corresponding default weight coefficient 1.1,1.2 and 1.5
To integral result be this first acoustic segment perceived loudness index.
403：Determine the volume adjustment of rising tone segment according to the perceived loudness index of the first acoustic segment and rising tone segment
Coefficient, and the volume of rising tone segment is adjusted according to the volume regulation coefficient determining.
Specifically, for the sound determining rising tone segment according to the perceived loudness index of the first acoustic segment and rising tone segment
Amount regulation coefficient mode, can have many kinds, the present embodiment using by the way of include but is not limited to：
Using the ratio between the perceived loudness index of the first acoustic segment and the perceived loudness index of rising tone segment as true
The volume regulation coefficient of fixed rising tone segment.
For convenience of description, with the perceived loudness index of the first acoustic segment for 50, the perceived loudness index of rising tone segment
As a example 49, if the loudness of two acoustic segment reaches balance, the perceived loudness index of two acoustic segment should be consistent or become
In consistent, and rung by the perception that the perceived loudness index of the first acoustic segment and rising tone segment can be seen that rising tone segment
Degree index is less than the perceived loudness index of the first acoustic segment, thus reflects that the loudness of rising tone segment has downward trend, therefore,
Can be used as true by the ratio 50/49 between the perceived loudness index of the first acoustic segment and the perceived loudness index of rising tone segment
Fixed volume regulation coefficient, and according to this volume regulation coefficient, the volume of rising tone segment is adjusted, that is, in second sound
On the basis of original volume of section, its volume is amplified adjust, and the multiple amplifying is 50/49.
The method that the present embodiment provides, by obtaining rising tone segment and the rising tone in call under the other volume of any level
The perceived loudness index of the first acoustic segment before segment, refers to according to according to the perceived loudness of the first acoustic segment and rising tone segment
The volume regulation coefficient of the rising tone segment that number determines adjusts the volume of rising tone segment, thus realizing adjusting sound according to loudness
Amount, it is ensured that the loudness of each acoustic segment of call is consistent, makes the loudness of the actual loudness after adjustment and human ear subjective sensation
Reach balance, and then improve the effect of volume adjustment.
Embodiment three
Present embodiments provide a kind of volume adjusting apparatus, this device is used for executing above-described embodiment one or embodiment two carries
For method for regulation of sound volume.Referring to Fig. 5, this device includes：
Acquisition module 51, for obtaining the sense of the first acoustic segment in call and rising tone segment under the other volume of any level
Know loudness index, the first acoustic segment is the acoustic segment before rising tone segment, perceived loudness index is by frequencies different in sound spectrum
The volume of rate is weighted integration by its corresponding default weight coefficient and obtains；
Determining module 52, for the perceived loudness of the first acoustic segment of being got according to acquisition module 51 and rising tone segment
Index determines the volume regulation coefficient of rising tone segment；
Adjusting module 53, the volume regulation coefficient for determining according to determining module 52 adjusts the volume of rising tone segment.
Wherein, the first acoustic segment is the previous acoustic segment adjacent with rising tone segment；
Acquisition module 51, adjacent with rising tone segment previous in call specifically for obtaining under the other volume of any level
The perceived loudness index of acoustic segment and the perceived loudness index of rising tone segment.
Alternatively, the first acoustic segment is the first acoustic segment of call；
Acquisition module 51, the perceived loudness specifically for obtaining the first acoustic segment in call under the other volume of any level refers to
Number and the perceived loudness index of rising tone segment.
Wherein it is determined that module 52, specifically for by the perception of the perceived loudness index of the first acoustic segment and rising tone segment
Ratio between loudness index is as the volume regulation coefficient of the rising tone segment determining.
Further, referring to Fig. 6, this device also includes：
Pretreatment module 50, for obtaining the sound that user is adjusted to the single-tone of different frequency according to same perceived loudness
Amount, and the corresponding default weight coefficient of the volume of different frequency is determined according to the volume getting；
Correspondingly, acquisition module 51, specifically for obtaining the of the first acoustic segment in call under the other volume of any level
The second sound frequency spectrum of one sound spectrum and rising tone segment；The volume of different frequency in the first sound spectrum is pressed it correspond to
Pretreatment module 50 determine default weight coefficient be weighted integrate, obtain the perceived loudness index of the first acoustic segment, and
The volume of different frequency in second sound frequency spectrum is carried out adding by the default weight coefficient that its corresponding pretreatment module 50 determines
Power integration, obtains the perceived loudness index of rising tone segment.
The device that the present embodiment provides, by obtaining rising tone segment and the rising tone in call under the other volume of any level
The perceived loudness index of the first acoustic segment before segment, refers to according to according to the perceived loudness of the first acoustic segment and rising tone segment
The volume regulation coefficient of the rising tone segment that number determines adjusts the volume of rising tone segment, thus realizing adjusting sound according to loudness
Amount, it is ensured that the loudness of each acoustic segment of call is consistent, makes the loudness of the actual loudness after adjustment and human ear subjective sensation
Reach balance, and then improve the effect of volume adjustment.
It should be noted that：Above-described embodiment provide volume adjusting apparatus adjust volume when, only with above-mentioned each function
The division of module is illustrated, and in practical application, can distribute above-mentioned functions by different function moulds as desired
Block completes, and the internal structure of device will be divided into different functional modules, to complete all or part of work(described above
Energy.In addition, the volume adjusting apparatus that above-described embodiment provides belong to same design with method for regulation of sound volume embodiment, it is specifically real
Existing process refers to embodiment of the method, repeats no more here.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can pass through hardware
To complete it is also possible to the hardware being instructed correlation by program is completed, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read only memory, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of method for regulation of sound volume is it is characterised in that methods described includes：
Obtain the perceived loudness index of the first acoustic segment in call and the perception of rising tone segment rings under the other volume of any level
Degree index, described first acoustic segment is the acoustic segment before described rising tone segment, and described perceived loudness index is by sound spectrum
The volume of middle different frequency is weighted integration by its corresponding default weight coefficient and obtains；
The perceived loudness index of the perceived loudness index according to described first acoustic segment and described rising tone segment determines described
The volume regulation coefficient of two acoustic segment, and the volume of described rising tone segment is adjusted according to the volume regulation coefficient determining.
2. method according to claim 1 is it is characterised in that described first acoustic segment is adjacent with described rising tone segment
Previous acoustic segment；
The perceived loudness index of the first acoustic segment and the sense of rising tone segment in call is obtained under the described other volume in any level
Know loudness index, specifically include：
The perceived loudness obtaining the previous acoustic segment adjacent with described rising tone segment in call under the other volume of any level refers to
Number and the perceived loudness index of described rising tone segment.
3. method according to claim 1 is it is characterised in that described first acoustic segment is the first sound in described call
Section；
The perceived loudness index of the first acoustic segment and the sense of rising tone segment in call is obtained under the described other volume in any level
Know loudness index, specifically include：
The perceived loudness index of first acoustic segment and the sense of described rising tone segment in call is obtained under the other volume of any level
Know loudness index.
4. method according to claim 1 is it is characterised in that the described perceived loudness index according to described first acoustic segment
Determine the volume regulation coefficient of described rising tone segment with the perceived loudness index of described rising tone segment, specifically include：
Ratio between the perceived loudness index of the perceived loudness index of described first acoustic segment and described rising tone segment is made
The volume regulation coefficient of the described rising tone segment for determining.
5. the method according to any claim in Claims 1-4 it is characterised in that described in the other volume of any level
Before the lower perceived loudness index of the first acoustic segment obtaining in call and the perceived loudness index of rising tone segment, also include：
Obtain the volume that user is adjusted to the single-tone of different frequency according to same perceived loudness, and according to the volume getting
Determine the corresponding default weight coefficient of volume of different frequency；
Correspondingly, obtain the perceived loudness index of the first acoustic segment and the second sound in call under the described other volume in any level
The perceived loudness index of section, specifically includes：
The first sound spectrum of the first acoustic segment in acquisition call under the other volume of any level and the second of rising tone segment
Sound spectrum；
The volume of different frequency in described first sound spectrum is weighted integrating by its corresponding default weight coefficient, obtains
The perceived loudness index of described first acoustic segment, and it is corresponding pre- that the volume of different frequency in described second sound frequency spectrum is pressed it
If weight coefficient is weighted integrating, obtain the perceived loudness index of described rising tone segment.
6. a kind of volume adjusting apparatus are it is characterised in that described device includes：
Acquisition module, for obtaining perceived loudness index and the rising tone of the first acoustic segment in call under the other volume of any level
The perceived loudness index of segment, described first acoustic segment is the acoustic segment before described rising tone segment, and described perceived loudness refers to
Number is weighted integration by the volume of different frequency in sound spectrum by its corresponding default weight coefficient and obtains；
Determining module, for the perceived loudness index of the first acoustic segment that got according to described acquisition module and rising tone segment
Perceived loudness index determine the volume regulation coefficient of described rising tone segment；
Adjusting module, the volume regulation coefficient for determining according to described determining module adjusts the volume of described rising tone segment.
7. device according to claim 6 is it is characterised in that described first acoustic segment is adjacent with described rising tone segment
Previous acoustic segment；
Described acquisition module, specifically under the other volume of any level obtain call in adjacent with described rising tone segment before
The perceived loudness index of one acoustic segment and the perceived loudness index of described rising tone segment.
8. device according to claim 6 is it is characterised in that described first acoustic segment is the first sound in described call
Section；
Described acquisition module, specifically for obtaining the perceived loudness index of the first acoustic segment in call under the other volume of any level
Perceived loudness index with described rising tone segment.
9. device according to claim 6 is it is characterised in that described determining module, specifically for by described first sound
Ratio between the perceived loudness index of section and the perceived loudness index of described rising tone segment is as the described rising tone determining
The volume regulation coefficient of segment.
10. the device according to any claim in claim 6 to 9, it is characterised in that described device, also includes：
Pretreatment module, for obtaining the volume that user is adjusted to the single-tone of different frequency according to same perceived loudness, and
Volume according to getting determines the corresponding default weight coefficient of the volume of different frequency；
Correspondingly, described acquisition module, specifically for first of the first acoustic segment in acquisition call under the other volume of any level
The second sound frequency spectrum of sound spectrum and rising tone segment；The volume of different frequency in described first sound spectrum is pressed it right
The default weight coefficient that the described pretreatment module answered determines is weighted integrating, and obtains the perceived loudness of described first acoustic segment
Index, and the volume of different frequency in described second sound frequency spectrum is added by its corresponding described the default of pretreatment module determination
Weight coefficient is weighted integrating, and obtains the perceived loudness index of described rising tone segment.
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| CN105554674A (en) * | 2015-12-28 | 2016-05-04 | 努比亚技术有限公司 | Microphone calibration method, device and mobile terminal |
| CN106534563A (en) * | 2016-11-29 | 2017-03-22 | 努比亚技术有限公司 | Sound adjusting method and device and terminal |
| CN107172255A (en) * | 2017-07-21 | 2017-09-15 | 广东欧珀移动通信有限公司 | Voice signal self-adapting regulation method, device, mobile terminal and storage medium |
| CN108174031B (en) * | 2017-12-26 | 2020-12-01 | 上海展扬通信技术有限公司 | Volume adjusting method, terminal equipment and computer readable storage medium |
| CN108847250B (en) * | 2018-07-11 | 2020-10-02 | 会听声学科技（北京）有限公司 | Directional noise reduction method and system and earphone |
| CN112019973B (en) * | 2019-05-30 | 2022-04-26 | 原相科技股份有限公司 | Sound adjusting method and sound adjusting device for executing the method |
| CN112445449B (en) * | 2019-08-28 | 2024-04-02 | 北京百度网讯科技有限公司 | Volume configuration method and device, electronic equipment and medium |
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| US7454331B2 (en) * | 2002-08-30 | 2008-11-18 | Dolby Laboratories Licensing Corporation | Controlling loudness of speech in signals that contain speech and other types of audio material |
| KR100636213B1 (en) * | 2004-12-28 | 2006-10-19 | 삼성전자주식회사 | Method for compensating audio frequency characteristic in real-time and sound system thereof |
| CN101421781A (en) * | 2006-04-04 | 2009-04-29 | 杜比实验室特许公司 | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| CN101465625B (en) * | 2007-12-20 | 2012-02-08 | 瑞昱半导体股份有限公司 | Device and method for automatically adjusting gain |
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