CN107509151A - A kind of method and device for amplifying audio signal - Google Patents
A kind of method and device for amplifying audio signal Download PDFInfo
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- CN107509151A CN107509151A CN201610416507.4A CN201610416507A CN107509151A CN 107509151 A CN107509151 A CN 107509151A CN 201610416507 A CN201610416507 A CN 201610416507A CN 107509151 A CN107509151 A CN 107509151A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Abstract
According to a kind of method and device for amplifying audio signal provided by the invention, method comprises the following steps：Decompose the subsignal that the audio signal received is different frequency range；The multiplication factor for determining to be amplified the different subsignal frequencies according to the audio scale-up model pre-set, wherein, the audio scale-up model record has the corresponding relation of different frequency point and audio intensity amplification coefficient；The audio signal is amplified according to the multiplication factor of determination.By the invention it is possible to carry out different degrees of amplification for individual is different to audio signal susceptibility, individual can not be directed in the prior art by solving the problems, such as carries out personalized non-linear amplification to audio signal susceptibility difference, significantly improves user satisfaction.
Description
Technical field
The present invention relates to field of hearing aids, more particularly to a kind of method and device for amplifying audio signal.
Background technology
Sound intensity, the also known as sound intensity or volume, what it was represented is the degree of strength of acoustic energy, depends primarily on sonic wave amplitude
Size.The strength range of normal person's sense of hearing is 0dB -140dB.For impaired hearing but the person that has Listening Ability of Ethnic, sound is small to be listened not
See, be due to that the loudness of sound is inadequate for them.Such as hearing is degenerated caused by increasing due to the age, as long as improving sound
Loudness with regard to that can hear.Audiphone is a kind of microminiature sound amplifier, and the sound in the external world is amplified into hearing loss patient needs
Degree.Using the residual hearing of patient compensate hearing deficiency, enable hearing loss person with can be heard as normal good hearing person it is general
Logical sound, it is to help hearing impaired's improvement Listening Ability of Ethnic simultaneously can be with the most effective instrument of other people normal communications at present.Prior art
In the means that use of audiphone be that Linear Amplifer, but different people is to the sound of different frequency in proportion is carried out to the audio of reception
Frequency signal susceptibility is different, causes the Listening Ability of Ethnic of different people to be tested, it is found that Listening Ability of Ethnic of the different people in different frequent points
It is discrepant.It has been found that hearing impaired old man, sometimes can but hear to others softly language in daily life,
Be exactly in fact just that softly although loudness is not very big, its spectral range just falls in the sensitive scope of his hearing,
Prior art can not be directed to individual and carry out personalized non-linear amplification to audio signal susceptibility difference, for example, general the elderly
Hearing may be more severe in high-frequency domain forfeiture, but amplification system can not amplify just for high band, so as to cause Consumer's Experience
Degree is not high.
The content of the invention
The invention provides a kind of method and device for amplifying audio signal.Individual can not be directed to sound at least to solve prior art
The problem of frequency signal susceptibility difference carries out personalized non-linear amplification.
According to a kind of method for amplifying audio signal provided by the invention, comprise the following steps：Decomposing the audio signal received is
The subsignal of different frequency range；Determine to put to what the different subsignal frequencies were amplified according to the audio scale-up model pre-set
Big multiple, wherein, the audio scale-up model record has the corresponding relation of different frequency point and audio intensity amplification coefficient；According to
The multiplication factor determined is amplified to the audio signal.
Further, before the audio signal received is decomposed as the frequency subsignal of different frequency range, methods described is also
Including：By the hearing loss situation for the speech signal collection user for sending different frequency；According to the hearing loss feelings
Condition sets audio scale-up model.
Further, included by the hearing loss situation for the speech signal collection user for sending different frequency：Set
Beginning frequency and termination frequency；Since the initial frequency, multiple frequency acquisition points are determined with pre- fixed step size increasing frequency,
Audio signal is sent in the multiple frequency acquisition point, until terminating frequency；User is received in the multiple frequency acquisition
The determination signal of point feedback；The audio intensity amplification according to corresponding to the determination signal determines the multiple frequency acquisition point
Coefficient.
Further, it is that step-length selects frequency according to 100HZ in 20HZ~1100HZ parts.Intermediate-frequency section is according to 500Hz
For step-length etc..
Further, initial frequency 20Hz, termination frequency are 20000Hz.
Further, in addition to, receive user reset the audio scale-up model or Frequency point corresponding to audio intensity put
Big coefficient resets message；It is strong to audio corresponding to the audio scale-up model or Frequency point according to the message that resets
Degree amplification coefficient is reset.
Further, in addition to, the termination for receiving user sets the termination of the audio scale-up model to set message；According to described
Stop to set message abort to set the audio scale-up model.
According to another aspect of the present invention, there is provided a kind of device for amplifying audio signal, including decomposing module, for dividing
The audio signal that solution receives is the subsignal of different frequency range；Determining module, for amplifying according to the audio pre-set
Model determines the multiplication factor being amplified to the different frequency range subsignal of the audio signal, wherein, the audio is put
Large-sized model record has the corresponding relation of different frequency point and audio intensity amplification coefficient；Amplification module, for according to determination
The multiplication factor audio signal is amplified.Synthesis module, for by the subsignal after amplification again
Synthesize complete speech signal output.
Further, the determining module includes, collecting unit, for the speech signal collection user by sending different frequency
Hearing loss situation, setting unit, for according to the hearing loss situation set audio scale-up model.
Further, the collecting unit configures subelement also with including, for configuring initial frequency and terminating frequency,
Pronounce subelement, for since the initial frequency, multiple frequency acquisition points to be determined with pre- fixed step size increasing frequency,
Audio signal is sent in the multiple frequency acquisition point, until terminating frequency, receiving subelement, is existed for receiving user
The determination signal of the multiple frequency acquisition point feedback, determination subelement, described in being determined according to the determination signal
Audio intensity amplification coefficient corresponding to multiple frequency acquisition points.
By the invention it is possible to carry out different degrees of amplification for individual is different to audio signal susceptibility, solves existing skill
Personal the problem of carrying out personalization non-linear amplification different to audio signal susceptibility can not be directed in art, significantly improving user expires
Meaning degree.
Brief description of the drawings
Fig. 1 is a kind of flow chart for the method for amplifying audio signal of the embodiment of the present invention；
Fig. 2 is a kind of apparatus structure block diagram for amplifying audio signal of the embodiment of the present invention；
Fig. 3 is the structured flowchart of determining module in a kind of device for amplifying audio signal of the embodiment of the present invention；
Fig. 4 is the structured flowchart of the collecting unit of determining module in a kind of device for amplifying audio signal of the embodiment of the present invention；
Fig. 5 is a kind of audio scale-up model figure for the device generation for amplifying audio signal of the embodiment of the present invention；
Fig. 6 is a kind of method DFD for amplifying audio signal of the embodiment of the present invention；
Fig. 7 is to determine that module controls the signal flow diagram of the different amplification of different subsignals.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in situation about not conflicting
Under, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.
A kind of method for amplifying audio signal provided in an embodiment of the present invention, comprises the following steps：The voice signal received is decomposed into
Multiple subsignal sections of different frequency sections, determine to carry out the subsignal of different frequency sections according to the audio scale-up model pre-set
Multiplication factor, wherein, the audio scale-up model record has the corresponding relation of different frequency point and audio intensity amplification coefficient；Press
The audio signal is amplified according to the multiplication factor of determination.Fig. 1 is a kind of amplification audio signal of the embodiment of the present invention
The flow chart of method, as shown in figure 1, the flow comprises the following steps：
Step S102 decomposes the subsignal section that audio signal is multiple different frequency ranges；
Step S104：Determine to carry out different multiplication factors respectively to multiple subsignals according to the audio scale-up model pre-set, wherein,
The audio scale-up model record has the corresponding relation of different frequency point and audio intensity amplification coefficient；
Step S106：The audio signal is amplified according to the multiplication factor of determination.
By above-mentioned steps, audio signal that auditory prosthesis will receive, determined according to the audio scale-up model pre-set to the sound
The different frequency of frequency signal carries out different multiplication factors, and the audio signal is carried out according to the multiplication factor of determination
Amplification.The audio scale-up model record has the corresponding relation of different frequency point and audio intensity amplification coefficient, by using
People establishes model to the intensity of sound susceptibility difference of different frequency, and nonlinear personalization is being carried out to sound using model
Amplification, improve user satisfaction.
Preferably, auditory prosthesis is before the audio signal received is decomposed, in addition to gatherer process：
S202：Send the hearing loss situation of the speech signal collection user of different frequency；
S204:According to setting audio scale-up model.
Preferably, using auditory prosthesis by sending the process of the hearing loss situation of the speech signal collection user of different frequency
For：
S302：Initial frequency is set and terminates frequency,
S304：Since the initial frequency, multiple frequency acquisition points are determined with pre- fixed step size increasing frequency, in institute
State multiple frequency acquisition points and send audio signal, until terminating frequency；
S306：Receive the determination signal that user feeds back in the multiple frequency acquisition point；
S308：The audio intensity amplification coefficient according to corresponding to the determination signal determines the multiple frequency acquisition point.
Preferably, auditory prosthesis is in voice audiorange, low frequency part i.e. 20HZ~1100HZ parts according to
100HZ is that step-length selects frequency.Intermediate-frequency section is according to 500Hz step-lengths selection etc..
Preferably, auditory prosthesis only presets the frequency range that ordinary people can hear, the initial frequency is 20Hz, described
Termination frequency is 20000Hz.
Preferably, auditory prosthesis receives user and resets audio intensity amplification coefficient corresponding to audio scale-up model or Frequency point
Reset message；Audio intensity corresponding to the audio scale-up model or Frequency point is amplified according to the message that resets
Coefficient is reset.
Preferably, auditory prosthesis receives the termination setting message of the termination setting audio scale-up model of user；In described
Only set message abort that the audio scale-up model is set.
A kind of device for amplification audio signal that the embodiment of the present invention also provides, Fig. 2 are a kind of amplification sounds of the embodiment of the present invention
The apparatus structure block diagram of frequency signal, as shown in Figure 2：Auditory prosthesis includes decomposing module 22：For decomposing the sound received
Frequency signal；Determining module 24：Determine to put the frequency of the audio signal according to the audio scale-up model pre-set
Big multiplication factor；Amplification module 26：The audio signal is amplified according to the multiplication factor of determination；Synthesis
Module 28, for the subsignal after amplification to be synthesized into complete speech signal.Different user pair can be directed to using the device
The characteristics of different frequency audio sensitivity difference, personalized non-linear amplification is carried out to different user.
Preferably, Fig. 3 be the embodiment of the present invention it is a kind of amplify audio signal device in determining module structured flowchart, such as Fig. 3
Shown configuration module also includes：Collecting unit 32：Hearing loss for the speech signal collection user by sending different frequency
Situation；Setting unit 34：For setting audio scale-up model according to the hearing loss situation.
Preferably, Fig. 4 is the structure of the collecting unit of determining module in a kind of device for amplifying audio signal of the embodiment of the present invention
Block diagram, collecting unit 32 as shown in Figure 4 is also with including：Configure subelement 42：For configuring initial frequency and termination
Frequency；Pronounce subelement 44：For since the initial frequency, multiple adopt to be determined with pre- fixed step size increasing frequency
Collect Frequency point, audio signal is sent in the multiple frequency acquisition point, until terminating frequency；Receiving subelement 46：
The determination signal fed back for receiving user in the multiple frequency acquisition point；Determination subelement 48：For according to institute
State and determine that signal determines audio intensity amplification coefficient corresponding to the multiple frequency acquisition point.
Below by taking a kind of method for amplifying audio signal as an example, the embodiment of the present invention is further described in conjunction with specific embodiments.
Step is as follows：
User starts training process, and the device for amplifying audio signal enters Listening Training state
S502 determining modules control pronunciation subelement sends out the single-tone of specific frequency, since 20Hz to
Appropriate Frequency point is selected in the range of 20000Hz.
S504 continues to give the customer responsiveness time in several seconds on an amplification coefficient, and user feeds back according to the result heard
To receiving subelement.
The amplification coefficient of result is heard in the record user feedback of S506 determination subelements, then this frequency training process terminates
S508 determining modules control pronunciation subelement sends out the single-tone of next Frequency point, such as
200HZ~11000HZ parts are that step-length selects frequency according to 100HZ, and 11000HZ~20000HZ is pressed part
It is that the modes such as step-length select different Frequency points according to 500HZ, is trained as procedure described above respectively
S510 training terminates, and determining module can obtain a user namely to be needed in the hearing loss situation of different frequent points
Situation about being compensated, Fig. 6 are a kind of audio scale-up model figures for the device generation for amplifying audio signal of the embodiment of the present invention.
The hearing user damaed cordition that is obtained according to above Listening Training process realizes hearing compensation.It is input to use
The signal of family earphone, be not after decoding, handling after be simply amplified according to volume button, but root
According to the hearing loss of user, set for different frequencies using different amplification coefficient combination user volume buttons
Multiplication factor, to supplement the damage of hearing user.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can use general calculating
Device realizes that they can be concentrated on single computing device, or be distributed on the network that multiple computing devices are formed,
Alternatively, they can be realized with the program code that computing device can perform, it is thus possible to be stored in storage device
In performed by computing device, and in some cases, can be to perform shown or described step different from order herein
Suddenly, they are either fabricated to each integrated circuit modules respectively or be fabricated to the multiple modules or step in them single
Integrated circuit modules are realized.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made, etc.
With replacement, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. method for amplifying audio signal, it is characterised in that comprise the following steps：Decompose the subsignal that the audio signal received is different frequency range；The multiplication factor for determining to be amplified the different subsignal frequencies according to the audio scale-up model pre-set, Wherein, the audio scale-up model record has the corresponding relation of different frequency point and audio intensity amplification coefficient；The audio signal is amplified according to the multiplication factor of determination.
- 2. the method as described in claim 1, it is characterised in that decomposing the audio signal that receives be different frequency range Frequency subsignal before, methods described also includes：By the hearing loss situation for the speech signal collection user for sending different frequency；Audio scale-up model is set according to the hearing loss situation.
- 3. method as claimed in claim 2, it is characterised in that used by the speech signal collection for sending different frequency The hearing loss situation at family includes：Initial frequency is set and terminates frequency；Since the initial frequency, multiple frequency acquisition points are determined with pre- fixed step size increasing frequency, adopted the multiple Collection Frequency point sends audio signal, until terminating frequency；Receive the determination signal that user feeds back in the multiple frequency acquisition point；The audio intensity amplification coefficient according to corresponding to the determination signal determines the multiple frequency acquisition point.
- 4. according to the method for claim 3, it is characterised in that in 20HZ~1100HZ parts according to 100HZ Frequency is selected for step-length.
- 5. described method is moved according to claim 3, it is characterised in that the initial frequency is 20Hz, described to terminate frequency Rate is 20000Hz.
- 6. according to the method for claim 3, it is characterised in that methods described also includes：Receive user reset the audio scale-up model or Frequency point corresponding to resetting for audio intensity amplification coefficient disappear Breath；Audio intensity amplification coefficient corresponding to the audio scale-up model or Frequency point is carried out again according to the message that resets Set.
- 7. according to the method for claim 3, it is characterised in that methods described also includes：The termination for receiving user sets the termination of the audio scale-up model to set message；Stop to set message abort to set the audio scale-up model according to described.
- 8. a kind of device for amplifying audio signal, it is characterised in that it includes：Decomposing module, for decomposing the subsignal that the audio signal received is different frequency range；Determining module, for determining different frequency range to the audio signal according to the audio scale-up model pre-set The multiplication factor that signal is amplified, wherein, the audio scale-up model record has different frequency point to be put with audio intensity The corresponding relation of big coefficient；Amplification module, for being amplified according to the multiplication factor of determination to the audio signal.Synthesis module, for the subsignal after amplification to be reunited into complete speech signal output.
- 9. device according to claim 8, it is characterised in that the determining module includes：Collecting unit, the hearing loss situation for the speech signal collection user by sending different frequency；Setting unit, for setting audio scale-up model according to the hearing loss situation.
- 10. device according to claim 9, it is characterised in that the collecting unit includes：Subelement is configured, for configuring initial frequency and terminating frequency；Pronounce subelement, for since the initial frequency, multiple frequency acquisitions to be determined with pre- fixed step size increasing frequency Point, audio signal is sent in the multiple frequency acquisition point, until terminating frequency；Receiving subelement, the determination signal fed back for receiving user in the multiple frequency acquisition point；Determination subelement, for according to it is described determination signal determine the multiple frequency acquisition point corresponding to audio intensity amplification system Number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610416507.4A CN107509151A (en) | 2016-06-14 | 2016-06-14 | A kind of method and device for amplifying audio signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610416507.4A CN107509151A (en) | 2016-06-14 | 2016-06-14 | A kind of method and device for amplifying audio signal |
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| CN107509151A true CN107509151A (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610416507.4A Withdrawn CN107509151A (en) | 2016-06-14 | 2016-06-14 | A kind of method and device for amplifying audio signal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719558A (en) * | 2018-07-12 | 2020-01-21 | 深圳市智听科技有限公司 | Hearing aid fitting method and device, computer equipment and storage medium |
| CN110971258A (en) * | 2019-11-15 | 2020-04-07 | 苏炜 | Audio signal amplification method |
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| CN101808265A (en) * | 2008-12-23 | 2010-08-18 | Gn瑞声达A/S | Adaptive feedback gain correction |
| CN103222283A (en) * | 2010-11-19 | 2013-07-24 | Jacoti有限公司 | Personal communication device with hearing support and method for providing the same |
| CN103548364A (en) * | 2012-04-24 | 2014-01-29 | 松下电器产业株式会社 | Hearing-aid gain determination system, hearing-aid gain determination method, and computer program |
| CN104159181A (en) * | 2014-07-31 | 2014-11-19 | 安百特半导体有限公司 | Hearing aid method with autonomous adjusting function and system |
| CN104205221A (en) * | 2012-01-03 | 2014-12-10 | 高达有限公司 | Method and apparatus for outputting audio signal, and method of adjusting volume of the audio signal |
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2016
- 2016-06-14 CN CN201610416507.4A patent/CN107509151A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101808265A (en) * | 2008-12-23 | 2010-08-18 | Gn瑞声达A/S | Adaptive feedback gain correction |
| CN103222283A (en) * | 2010-11-19 | 2013-07-24 | Jacoti有限公司 | Personal communication device with hearing support and method for providing the same |
| CN104205221A (en) * | 2012-01-03 | 2014-12-10 | 高达有限公司 | Method and apparatus for outputting audio signal, and method of adjusting volume of the audio signal |
| CN103548364A (en) * | 2012-04-24 | 2014-01-29 | 松下电器产业株式会社 | Hearing-aid gain determination system, hearing-aid gain determination method, and computer program |
| CN104159181A (en) * | 2014-07-31 | 2014-11-19 | 安百特半导体有限公司 | Hearing aid method with autonomous adjusting function and system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719558A (en) * | 2018-07-12 | 2020-01-21 | 深圳市智听科技有限公司 | Hearing aid fitting method and device, computer equipment and storage medium |
| CN110719558B (en) * | 2018-07-12 | 2021-07-09 | 深圳市智听科技有限公司 | Hearing aid fitting method and device, computer equipment and storage medium |
| CN110971258A (en) * | 2019-11-15 | 2020-04-07 | 苏炜 | Audio signal amplification method |
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Application publication date: 20171222 |
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