CN101140795A - Digital audio player having two-channel equalizer - Google Patents
Digital audio player having two-channel equalizer Download PDFInfo
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- CN101140795A CN101140795A CNA2007100578670A CN200710057867A CN101140795A CN 101140795 A CN101140795 A CN 101140795A CN A2007100578670 A CNA2007100578670 A CN A2007100578670A CN 200710057867 A CN200710057867 A CN 200710057867A CN 101140795 A CN101140795 A CN 101140795A
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- digital signal
- analog converter
- channel equalizer
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Abstract
The invention discloses a digital audio player with twin channel equalizer, which comprises a digital signal processor, a display, a control panel, a digital to analog converter, a memorizer as well as the left and right earphones. The display, control panel, digital to analog converter and memorizer are respectively connected with the digital signal processor, while the left and right earphones are linked with the digital to analog converter. The invention is characterized in that the digital signal processor are connected with the memorizer in the said digital signal processor including a decoder and two separate equalizers which are respectively connected with the decoder, while the other end of the two separate equalizers is the output terminal of the digital signal processor. The invention can provide people with hearing impairment with normal audibility.
Description
Technical field
The present invention relates to a kind of digital audio-frequency player, particularly relate to a kind of digital audio-frequency player with balanced device.
Background technology
Traditional digital audio-frequency player generally all has a common balanced device, and the adjusting by to the electric signal of various different frequencies compensates and modify various sound sources, remedies the defective of loudspeaker and sound field.This balanced device adopts with a kind of equilibrium for ears, for the normal person, traditional design is the demand that has satisfied the general user, and still for the user of binaural listening slightly damaged, this balanced device just can not satisfy them and listen the requirement of force characteristics for ears are different.
Summary of the invention
Purpose of the present invention provides a kind of and can detect hearing family curve separately according to different user just in order to solve above-mentioned deficiency of the prior art, regulates the different frequency electric signal with balanced device, can reach the digital audio-frequency player of normal audibility.
In order to reach above-mentioned technical purpose, the present invention is achieved by following technical proposals:
The digital audio-frequency player that the present invention has two-channel equalizer comprises: digital signal processor, received audio signal, the binaural audio signal of output after balanced device compensation, modification; Display is connected in digital signal processor, the operating process of explicit user; Control panel is connected in digital signal processor, the control operation process; Digital-to-analog converter will carry out digital-to-analog conversion through the sound signal of digital signal processor output; Left and right earphone receives the sound signal that digital-to-analog converter is exported.Its described digital signal processor processes device is made of demoder, two independent balanced devices, and demoder carries out compression coding to the sound signal of input, is divided into left and right two channel audio signal; Play by single-tone, following the minimum radius that can hear of test subscriber's different frequency, thereby the binaural listening family curve that obtains, storer is connected on the described digital signal processor, the normal good hearing family curve of storing in the sound signal contrast storer of two independent balanced devices with demoder output, parametric equalizer is set, regulates respectively, compensation, modification sound signal.
The invention has the beneficial effects as follows:
After having adopted said structure of the present invention, can test the binaural listening family curve of different user, then according to the curve of this actual measurement just at the different characteristic of ears, design parametric equalizer respectively, sound signal is compensated adjusting, by digital-to-analog converter, the output of left and right earphone, allowing is spoken sarcastically reaches normal audibility, solves the hearing problem of being spoken sarcastically.
Description of drawings
Fig. 1 is the block scheme that the present invention has the digital audio-frequency player of two-channel equalizer.
Embodiment
As shown in Figure 1, of the present invention have the digital audio-frequency player of two-channel equalizer by digital signal processor 1, display 2, control panel 3, digital-to-analog converter 4, left side earphone 5, right earphone 6 and storer 8 constitute, display 2 is connected in digital signal processor, the operating process of explicit user, control panel 3 is connected in digital signal processor, the control operation process, digital-to-analog converter 4 is connected in digital signal processor, to carry out digital-to-analog conversion through the sound signal of digital signal processor 1 output, left side earphone 5, right earphone 6 is connected to digital-to-analog converter 4, receives the sound signal of digital-to-analog converter output; Described digital signal processor 1 is made of demoder 7, two balanced devices 9, demoder 7 received signals are decoded, compare with measured curve then and export signal to two independent balanced devices 9, two independent balanced devices 9 and compensate and export to digital-to-analog converter 4 respectively.
Claims (1)
1. digital audio-frequency player with two-channel equalizer, comprise: digital signal processor, display, control panel, digital-to-analog converter, left and right earphone constitute, display, control panel, storer and digital-to-analog converter are connected to digital signal processor, and left and right earphone is connected in digital-to-analog converter; It is characterized in that: comprise that in described digital signal processor demoder, two independent balanced devices constitute, demoder is connected with two independent balanced devices, and the other end of two independent balanced devices is the output terminal of digital signal processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100578670A CN101140795A (en) | 2007-07-09 | 2007-07-09 | Digital audio player having two-channel equalizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100578670A CN101140795A (en) | 2007-07-09 | 2007-07-09 | Digital audio player having two-channel equalizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101140795A true CN101140795A (en) | 2008-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100578670A Pending CN101140795A (en) | 2007-07-09 | 2007-07-09 | Digital audio player having two-channel equalizer |
Country Status (1)
| Country | Link |
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| CN (1) | CN101140795A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554611A (en) * | 2014-12-29 | 2016-05-04 | 北京小鸟听听科技有限公司 | Earphone and implementation method thereof |
| CN109065064A (en) * | 2018-08-09 | 2018-12-21 | 歌尔科技有限公司 | A kind of method, the method for audio output and output equipment generating EQ curve |
| CN110213707A (en) * | 2019-04-23 | 2019-09-06 | 广东思派康电子科技有限公司 | Earphone and its hearing-aid method, computer readable storage medium |
-
2007
- 2007-07-09 CN CNA2007100578670A patent/CN101140795A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554611A (en) * | 2014-12-29 | 2016-05-04 | 北京小鸟听听科技有限公司 | Earphone and implementation method thereof |
| CN109065064A (en) * | 2018-08-09 | 2018-12-21 | 歌尔科技有限公司 | A kind of method, the method for audio output and output equipment generating EQ curve |
| CN109065064B (en) * | 2018-08-09 | 2020-10-20 | 歌尔科技有限公司 | Method for generating EQ curve, method for outputting audio and output equipment |
| CN110213707A (en) * | 2019-04-23 | 2019-09-06 | 广东思派康电子科技有限公司 | Earphone and its hearing-aid method, computer readable storage medium |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080312 |