CN102421049B - Audio signal processing system and audiometric curve adjustment unit thereof - Google Patents
Audio signal processing system and audiometric curve adjustment unit thereof Download PDFInfo
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- CN102421049B CN102421049B CN201110296395.0A CN201110296395A CN102421049B CN 102421049 B CN102421049 B CN 102421049B CN 201110296395 A CN201110296395 A CN 201110296395A CN 102421049 B CN102421049 B CN 102421049B
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- 238000010168 coupling process Methods 0.000 claims description 4
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- 230000006870 function Effects 0.000 description 2
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Abstract
The invention discloses an audio signal processing system and an audiometric curve adjustment unit thereof. The audio signal processing system comprises an input signal conversion unit, a signal compression unit, the audiometric curve adjustment unit and an output signal conversion unit, wherein the input signal conversion unit is used for receiving an input signal and converting an analog format of the input signal into a digital format; the signal compression unit is used for receiving the input signal which is output by the input signal conversion unit and compressing the input signal; the audiometric curve adjustment unit is used for receiving the input signal which is input by the signal compression unit and adjusting parameters of the input signal according to an audiometric curve setting value in the audiometric curve adjustment unit; and the output signal conversion unit is used for receiving the input signal which is output by the audiometric curve adjustment unit, amplifying the input signal and then converting the digital format into the analog format of an output signal. By arranging the audio signal processing system on a hearing aid device, an audiometric curve which is appropriate to a wearer can be adjusted for setting the parameters according to the audiometric situation of the wearer, so that a better hearing feeling can be provided for the wearer, and the audio signal processing system is relatively convenient to use and relatively low in cost.
Description
Technical field
the present invention relates to a kind of audible signals treatment system for assisting hearing device and audiometric curve adjustment unit thereof.
Background technology
in prior art, universal and convenient along with mobile phone, people form the custom of at any time mobile phone being brought to direct communication mostly, but often mobile phone are placed in to call in one's ear, should not be underestimated for the injury of hearing; Moreover, also because music digitalizing Ting is raw, people see through pocket music playing device and earphone listoning music whenever and wherever possible, although splendid convenience and recreational is provided, but tend to ignore the damage of volume for hearing, done sth. in advance unconsciously moving back of hearing undermine aging, impact gradually originally normal life.
at present in the streets for hearing impaired patient, mostly be suggestion hearing aids, and for patient, select one to be applicable to oneself hearing aids, must match personnel by specialty and carry out detailed hearing test for patient's needs, and then according to check result and patient demand, select the hearing aids of suitable external form and line design, and through trying on and assessing after a while, just at last can be by the Function of hearing aids to best.Use more inconveniently, and cost is higher.
Summary of the invention
the technical problem that the present invention will solve is to provide a kind of audible signals treatment system for assisting hearing device.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of audible signals treatment system for assisting hearing device, comprising:
one input signal converting unit, for receiving input signal, and is converted to number format by described input signal by analog format;
one signal compression unit, receives the described input signal that described input signal converting unit is exported, and it is compressed to processing;
one audiometric curve adjustment unit, receives the described input signal that described signal compression unit is exported, and according to the audiometric curve set point in described audiometric curve adjustment unit to adjust the parameter of described input signal;
one output signal converting unit, receives the described input signal that described audiometric curve adjustment unit is exported, and after described input signal is amplified, is converted to by number format the output signal of analog format again.
preferably, described input signal converting unit can be set sampling rate and resolution to described input signal.
preferably, also include a back coupling signal processing unit, the described input signal of exporting for receiving described audiometric curve adjustment unit, and feedback to described signal compression unit after reducing its noise and/or echo.
another technical problem that the present invention will solve is to provide a kind of audiometric curve adjustment unit.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of audiometric curve adjustment unit, and it is arranged in the middle of audible signals treatment system, and it comprises:
one audiometric curve is integrated display module, it receives a tested audiometric curve signal and a reference audiogram being set with reference to audiometric curve, and described tested audiometric curve signal is converted to tested audiometric curve and is shown on described reference audiogram, then show by a graphical interface;
one finite impulse response (FIR) calculation module, it carries out finite impulse response filter calculation for described tested audiometric curve, and produce a filter coefficient matrix, adjust described tested audiometric curve by the coefficient of adjusting in described filter coefficient matrix, make it accord with described reference audiometric curve, and corresponding generation have an audiometric curve set point;
one calculation coefficient stores processing module, for storing described audiometric curve set point.
preferably, described reference audiometric curve comprises normal good hearing audiometric curve, slightly listens barrier audiometric curve and moderate to listen barrier audiometric curve.
preferably, described finite impulse response (FIR) calculation module is first converted to described tested audiometric curve a frequency range, then more described individual frequency range is arranged as to described filter coefficient matrix, and the individual numerical value of being adjusted in described filter coefficient matrix by operating personnel meets corresponding described reference audiometric curve to be adjusted to.
scope of the present invention, is not limited to the technical scheme that the particular combinations of above-mentioned technical characterictic forms, and also should contain by above-mentioned technical characterictic or its equivalent feature and carry out combination in any and other technical scheme of forming simultaneously.The technical characterictic that such as, in above-mentioned feature and the application disclosed (but being not limited to) has a similar functions is replaced mutually and technical scheme of forming etc.
because technique scheme is used, the present invention compared with prior art has following advantages: by be provided with audible signals treatment system on assisting hearing device, it can be according to wearer's hearing situation, can be adjusted to the applicable audiometric curve of wearer and carry out setup parameter, thereby can give wearer better auditory perception, use more conveniently, and cost is lower.
Brief description of the drawings
accompanying drawing 1 is the composition schematic diagram of audible signals treatment system;
accompanying drawing 2 is the composition schematic diagram of audiometric curve adjustment unit;
the reference audiogram that accompanying drawing 3 captures for audiometric curve adjustment unit;
accompanying drawing 4 is that audiogram and tested audiometric curve carry out the schematic diagram after computing conversion through finite impulse response (FIR) calculation module.
wherein: 1, input signal converting unit; 2, input signal; 3, signal compression unit; 4, audiometric curve adjustment unit; 5, output signal converting unit; 6, output signal; 7, back coupling signal processing unit; 8, audiometric curve is integrated display module; 9, tested audiometric curve signal; 10, with reference to audiogram; 11, finite impulse response (FIR) calculation module; 12, tested audiometric curve; 13, calculation coefficient stores processing module; 14, normal good hearing audiometric curve; 15, slightly listen barrier audiometric curve; 16, moderate is listened barrier audiometric curve.
Embodiment
the assisting hearing device that the present invention is mentioned, it can be for example earphone, comprise at least one microphone, a loud speaker and a signal processing circuit, power circuit and Digital System Processor in the middle of signal processing circuit, are generally included, the audible signals that Digital System Processor is used for microphone to receive is play by loud speaker after processing, or receive the audible signals that sent by other electronic installation, and directly play by loud speaker after treatment, and audible signals treatment system of the present invention is arranged in the middle of Digital System Processor.As shown in Figure 1, a kind of audible signals treatment system for assisting hearing device, comprising:
one input signal converting unit 1, for receiving input signal 2, and is converted to number format by described input signal 2 by analog format;
one signal compression unit 3, receives the described input signal 2 that described input signal converting unit 1 is exported, and it is compressed to processing;
one audiometric curve adjustment unit 4, receives the described input signal 2 that described signal compression unit 3 is exported, and according to the audiometric curve set point in described audiometric curve adjustment unit 4 to adjust the parameter of described input signal 2;
one output signal converting unit 5, receives the described input signal 2 that described audiometric curve adjustment unit 4 is exported, and after described input signal 2 is amplified, is converted to by number format the output signal 6 of analog format again.
described input signal 2 can be the music signal being sent out by music player or the speech sound signal being sent out by mobile phone, can be by music signal or speech sound signal after audible signals treatment system is processed, adjust parameter according to audiometric curve set point, and output meets the audible signals of assisting hearing device wearer hearing situation, and be played in wearer's ear by loud speaker.
without diagram, described input signal converting unit 1 can be set sampling rate and resolution to described input signal 2.
the audible signals treatment system being subject to when listoning music or the voice in order to reduce wearer described in the interference of noise or echo also includes a back coupling signal processing unit 7, the described input signal 2 of exporting for receiving described audiometric curve adjustment unit 4, and feedback to described signal compression unit 3 after reducing its noise and/or echo.
as shown in Figure 2, a kind of audiometric curve adjustment unit 4, it is arranged in the middle of audible signals treatment system, and it comprises:
one audiometric curve is integrated display module 8, it receives a tested audiometric curve signal 9 and and is set with the reference audiometric curve Figure 10 with reference to audiometric curve, and described tested audiometric curve signal 9 is converted to tested audiometric curve 12 and is shown on described reference audiometric curve Figure 10, then show by a graphical interface;
one finite impulse response (FIR) calculation module 11, it carries out finite impulse response filter calculation for described tested audiometric curve 12, described finite impulse response (FIR) calculation module 11 is first converted to 42 frequency ranges by described tested audiometric curve 12, then again 42 described frequency ranges are arranged as to described filter coefficient matrix, and 42 numerical value being adjusted in described filter coefficient matrix by operating personnel meet corresponding described reference audiometric curve to be adjusted to, and corresponding generation has an audiometric curve set point, described reference audiometric curve comprises normal good hearing audiometric curve 14, slightly listen barrier audiometric curve 15 and moderate to listen barrier audiometric curve 16,
one calculation coefficient stores processing module 13, for storing described audiometric curve set point, and described audiometric curve set point is stored in the middle of the Digital System Processor of assisting hearing device.
in sum, audible signals treatment system system can first be set with the tested audiometric curve according to patient by audiometric curve adjustment unit, to make to be sent to afterwards the input signal 2 of audible signals treatment system, adjusted after parameter according to audiometric curve set point by audiometric curve adjustment unit 4, the exportable output signal 6 that meets patient's hearing situation most, compared to existing technology, the invention provides comparatively simple setting means, can allow the slightly barrier patient that listens of hearing loss have the voice output signal that meets own hearing situation, and can have preferably hearing enjoying.
as mentioned above, we are illustrated according to aim of the present invention completely, but the present invention is not limited to above-described embodiment and implementation method.The practitioner of correlative technology field can carry out different variations and enforcement in the scope of technological thought license of the present invention.
Claims (2)
1. for an audible signals treatment system for assisting hearing device, it is characterized in that: comprising:
One input signal converting unit (1), for receiving input signal (2), and is converted to number format by described input signal (2) by analog format;
One signal compression unit (3), receives the described input signal (2) that described input signal converting unit (1) is exported, and it is compressed to processing;
One audiometric curve adjustment unit (4), receive the described input signal (2) that described signal compression unit (3) is exported, and according to the audiometric curve set point in described audiometric curve adjustment unit (4) to adjust the parameter of described input signal (2); Described audiometric curve set point is that described audiometric curve adjustment unit (4) carries out finite impulse response filter calculation to tested audiometric curve, and produce a filter coefficient matrix, adjust tested audiometric curve by the coefficient of adjusting in filter coefficient matrix, make it accord with corresponding produce with reference to audiometric curve;
One output signal converting unit (5), receive the described input signal (2) that described audiometric curve adjustment unit (4) is exported, and after described input signal (2) is amplified, be converted to again the output signal (6) of analog format by number format.
2. audible signals treatment system according to claim 1, is characterized in that: described input signal converting unit (1) can be set sampling rate and resolution to described input signal (2).
3. audible signals treatment system according to claim 1, it is characterized in that: also include a back coupling signal processing unit (7), the described input signal (2) of exporting for receiving described audiometric curve adjustment unit (4), and feedback to described signal compression unit (3) after reducing its noise and/or echo.
4. an audiometric curve adjustment unit (4), is characterized in that: it is arranged in the middle of audible signals treatment system, its bag
Draw together:
One audiometric curve is integrated display module (8), it receives a tested audiometric curve signal (9) and and is set with the reference audiogram (10) with reference to audiometric curve, and described tested audiometric curve signal (9) is converted to tested audiometric curve (12) and is shown in described reference audiogram (10) above, then show by a graphical interface;
One finite impulse response (FIR) calculation module (11), it carries out finite impulse response filter calculation for described tested audiometric curve (12), and produce a filter coefficient matrix, adjust described tested audiometric curve (12) by the coefficient of adjusting in described filter coefficient matrix, make it accord with described reference audiometric curve, and corresponding generation have an audiometric curve set point;
One calculation coefficient stores processing module (13), for storing described audiometric curve set point.
5. audiometric curve adjustment unit according to claim 4 (4), is characterized in that: described reference audiometric curve comprises normal good hearing audiometric curve (14), slightly listens barrier audiometric curve (15) and moderate to listen barrier audiometric curve (16).
6. audiometric curve adjustment unit according to claim 4 (4), it is characterized in that: described finite impulse response (FIR) calculation module (11) is first converted to 42 frequency ranges by described tested audiometric curve (12), then again 42 described frequency ranges are arranged as to described filter coefficient matrix, and 42 numerical value being adjusted in described filter coefficient matrix by operating personnel meet corresponding described reference audiometric curve to be adjusted to.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110296395.0A CN102421049B (en) | 2011-09-29 | 2011-09-29 | Audio signal processing system and audiometric curve adjustment unit thereof |
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| CN201110296395.0A CN102421049B (en) | 2011-09-29 | 2011-09-29 | Audio signal processing system and audiometric curve adjustment unit thereof |
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| CN102421049A CN102421049A (en) | 2012-04-18 |
| CN102421049B true CN102421049B (en) | 2014-06-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103578328B (en) * | 2012-08-08 | 2016-05-25 | 塞舌尔商元鼎音讯股份有限公司 | The method of person's hearing that understanding listens to barrier |
| US9748914B2 (en) | 2012-08-15 | 2017-08-29 | Warner Bros. Entertainment Inc. | Transforming audio content for subjective fidelity |
| CN103473005B (en) * | 2013-09-29 | 2017-04-26 | 深圳Tcl新技术有限公司 | Method and device for performing sound effect control on played audio frequency |
| CN107295450B (en) * | 2016-04-11 | 2020-10-13 | 华砌(上海)电子科技有限公司 | Loudspeaker and correction method thereof |
| CN114173652A (en) * | 2019-04-30 | 2022-03-11 | 重庆中嘉盛世智能科技有限公司 | Memory, acoustic unit and audio processing method, device, equipment and system thereof |
| CN112690782B (en) * | 2020-12-22 | 2022-10-21 | 惠州Tcl移动通信有限公司 | Hearing compensation test method, intelligent terminal and computer readable storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101505448A (en) * | 2008-01-21 | 2009-08-12 | 伯纳方股份公司 | A hearing aid adapted to a specific type of voice in an acoustical environment, a method and use |
| CN101755468A (en) * | 2007-07-18 | 2010-06-23 | 迪特马·鲁伊沙克 | User-adaptable hearing aid comprising an initialization module |
| EP2268063A1 (en) * | 2009-06-26 | 2010-12-29 | Siemens Medical Instruments Pte. Ltd. | System and method for customizing a hearing aid device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6366863B1 (en) * | 1998-01-09 | 2002-04-02 | Micro Ear Technology Inc. | Portable hearing-related analysis system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755468A (en) * | 2007-07-18 | 2010-06-23 | 迪特马·鲁伊沙克 | User-adaptable hearing aid comprising an initialization module |
| CN101505448A (en) * | 2008-01-21 | 2009-08-12 | 伯纳方股份公司 | A hearing aid adapted to a specific type of voice in an acoustical environment, a method and use |
| EP2268063A1 (en) * | 2009-06-26 | 2010-12-29 | Siemens Medical Instruments Pte. Ltd. | System and method for customizing a hearing aid device |
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Application publication date: 20120418 Assignee: MERRY ELECTRONICS CO.,LTD. Assignor: MERRY ELECTRONICS (SUZHOU) Co.,Ltd. Contract record no.: 2019990000071 Denomination of invention: Audio signal processing system and audiometric curve adjustment unit thereof Granted publication date: 20140604 License type: Common License Record date: 20190314 |
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