CN205566597U - Automatic earphone system of volume adjusts - Google Patents
Automatic earphone system of volume adjusts Download PDFInfo
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- CN205566597U CN205566597U CN201620386106.4U CN201620386106U CN205566597U CN 205566597 U CN205566597 U CN 205566597U CN 201620386106 U CN201620386106 U CN 201620386106U CN 205566597 U CN205566597 U CN 205566597U
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Abstract
The utility model discloses an automatic earphone system of volume adjusts, including controller, noise collection module, audio input module, noise processing module, comparison control module and audio output module, noise collection module is used for gathering in real time ambient noise, warp the noise processing module conveys after handling the controller, the controller is measured and is instructed the noise signal grade, the controller is to relatively control module give -out order, relatively control module compares the audio signal and the noise signal of audio input module in real time, adjusts the audio signal output quantity to audio signal after will adjusting conveys audio output module.
Description
Technical field
This utility model relates to ear phone technology field, the earphone system of a kind of automatic regulating volume.
Background technology
Development along with consumer digital product, increasing people selects to use earphone to listen to oneself high-quality music, but due to the interference of city noise, listener has in the way of improving volume ensure audibility, its direct result brought is the permanent damage to listener's audition.Therefore, people begin one's study and have the earphone of decrease of noise functions, thus ensure normally listening to of people while reducing noise.
Wherein, adaptive active noise cancelling headphone is to install adaptive active on traditional earphone additional to control the digital active noise reduction earphone that device is formed, its ultimate principle is to utilize the microphone pickup noise signal installed additional in earphone, produce the reverse sound wave of constant amplitude via controller thus reach the effect of de-noising, thus reduce the low-frequency noise that common headphones is difficult to eliminate.
Summary of the invention
Goal of the invention of the present utility model is, overcome the deficiency of art methods, provide a kind of by environment noise Real-time Collection, input audio frequency and noise is compared by potentiometer, thus revise the volume of output audio frequency, and the earphone system that FPGA module eliminates the automatic regulating volume of low-frequency noise is set.
For achieving the above object, it is proposed that following technical scheme:
The earphone system of a kind of automatic regulating volume, including controller, Noise Acquisition module, Audio Input Modules, noise processed module, compares control module and dio Output Modules；Described Noise Acquisition module is used for Real-time Collection environment noise, is sent to described controller after described noise processed resume module；Described controller is measured and indicates described noise signal grade；Controller sends instruction, the described audio signal comparing control module real-time comparing audio input module and noise signal to comparing control module, regulates audio signal output, and the audio signal after regulation is sent to dio Output Modules.
Further, the earphone system of described automatic regulating volume also includes FPGA module, the audio signal of described dio Output Modules is transferred to FPGA module by analog-to-digital conversion module in real time, the original audio signal that FPGA module is called in audio storage module compares process with the real-time audio signal of acquisition on described dio Output Modules, obtain revised audio signal, then be sent to described dio Output Modules.FPGA module main purpose is for eliminating the low-frequency noise that volume adjusting is difficult to eliminate, promoting Consumer's Experience further.
Further, described controller includes key-press module and display circuit, and described key-press module is used for real-time display noise grade and audio frequency output for the regulation of artificial volume, described display circuit.
Further, described noise processed module includes noise amplification unit, noise-detection unit, after described noise signal enters noise amplification unit and noise-detection cell processing, is sent to AD input in the sheet of controller.
Further, the described control module that compares includes potentiometer, audio amplification unit, described potentiometer processes the audio signal of the noise signal from controller and Audio Input Modules in real time, and the audio signal after regulation is sent to audio output unit after audio amplification unit.
Further, Noise Acquisition module is Electret condenser microphone, and described Electret condenser microphone is arranged in earphone, Real-time Collection ambient noise signal.
The beneficial effect of this utility model:
The earphone system of automatic regulating volume of the present utility model is by environment noise Real-time Collection, comparing input audio frequency and noise by potentiometer, thus revise the volume of output audio frequency, and realize the process of adaptive active fall by FPGA module.The advantage of FPGA is that its design has a greater flexibility, and the feature of its parallel computation is easier to meet requirement of real-time and is more suitable for the parallel processing of left and right two paths of data of stereophone.
Accompanying drawing explanation
Fig. 1 is the earphone system structured flowchart one of automatic regulating volume of the present utility model；
Fig. 2 is the earphone system structured flowchart two of automatic regulating volume of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings the earphone system of a kind of automatic regulating volume of the present utility model is further described in detail:
As shown in Figure 1, 2, the earphone system of a kind of automatic regulating volume, including controller, Noise Acquisition module, Audio Input Modules, noise processed module, compares control module and dio Output Modules；Described Noise Acquisition module is used for Real-time Collection environment noise, is sent to described controller after described noise processed resume module；Described controller is measured and indicates described noise signal grade；Controller sends instruction, the described audio signal comparing control module real-time comparing audio input module and noise signal to comparing control module, regulates audio signal output, and the audio signal after regulation is sent to dio Output Modules.
As shown in Figure 1, the earphone system of described automatic regulating volume also includes FPGA module, the audio signal of described dio Output Modules is transferred to FPGA module by analog-to-digital conversion module in real time, the original audio signal that FPGA module is called in audio storage module compares process with the real-time audio signal of acquisition on described dio Output Modules, obtain revised audio signal, then be sent to described dio Output Modules.FPGA module main purpose is for eliminating the low-frequency noise that volume adjusting is difficult to eliminate, promoting Consumer's Experience further.
Preferably, as in figure 2 it is shown, described controller includes key-press module and display circuit, described key-press module is used for real-time display noise grade and audio frequency output for the regulation of artificial volume, described display circuit.
Preferably, as in figure 2 it is shown, described noise processed module includes noise amplification unit, noise-detection unit, after described noise signal enters noise amplification unit and noise-detection cell processing, it is sent to AD input in the sheet of controller.
Preferably, as shown in Figure 2, the described control module that compares includes that potentiometer, audio amplification unit, described potentiometer process the audio signal of the noise signal from controller and Audio Input Modules in real time, and the audio signal after regulation is sent to audio output unit after audio amplification unit.
Preferably, Noise Acquisition module is Electret condenser microphone, and described Electret condenser microphone is arranged in earphone, Real-time Collection ambient noise signal.
Above in conjunction with accompanying drawing, embodiment of the present utility model is described; but this utility model is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematically; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; in the case of without departing from this utility model objective and scope of the claimed protection, it may also be made that a lot of form, within these belong to protection of the present utility model.
Claims (6)
1. the earphone system of an automatic regulating volume, it is characterised in that include controller, Noise Acquisition module, Audio Input Modules, noise processed module, compare control module and dio Output Modules；Described Noise Acquisition module is used for Real-time Collection environment noise, is sent to described controller after described noise processed resume module；Described controller is measured and indicates described noise signal grade；Controller sends instruction, the described audio signal comparing control module real-time comparing audio input module and noise signal to comparing control module, regulates audio signal output, and the audio signal after regulation is sent to dio Output Modules.
The earphone system of a kind of automatic regulating volume the most according to claim 1, it is characterized in that, the earphone system of described automatic regulating volume also includes FPGA module, the audio signal of described dio Output Modules is transferred to FPGA module by analog-to-digital conversion module in real time, the original audio signal that FPGA module is called in audio storage module compares process with the real-time audio signal of acquisition on described dio Output Modules, obtain revised audio signal, it is sent to described dio Output Modules again, FPGA module main purpose is for eliminating the low-frequency noise that volume adjusting is difficult to eliminate, promote Consumer's Experience further.
The earphone system of a kind of automatic regulating volume the most according to claim 2, it is characterized in that, described controller includes key-press module and display circuit, and described key-press module is used for real-time display noise grade and audio frequency output for the regulation of artificial volume, described display circuit.
The earphone system of a kind of automatic regulating volume the most according to claim 2, it is characterized in that, described noise processed module includes noise amplification unit, noise-detection unit, after described noise signal enters noise amplification unit and noise-detection cell processing, it is sent to AD input in the sheet of controller.
The earphone system of a kind of automatic regulating volume the most according to claim 2, it is characterized in that, the described control module that compares includes potentiometer, audio amplification unit, described potentiometer processes the audio signal of the noise signal from controller and Audio Input Modules in real time, and the audio signal after regulation is sent to audio output unit after audio amplification unit.
6. according to the earphone system of a kind of automatic regulating volume described in any one of claim 1-5, it is characterised in that described Noise Acquisition module is Electret condenser microphone, and described Electret condenser microphone is arranged in earphone, Real-time Collection ambient noise signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386106.4U CN205566597U (en) | 2016-05-03 | 2016-05-03 | Automatic earphone system of volume adjusts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386106.4U CN205566597U (en) | 2016-05-03 | 2016-05-03 | Automatic earphone system of volume adjusts |
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| CN205566597U true CN205566597U (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620386106.4U Expired - Fee Related CN205566597U (en) | 2016-05-03 | 2016-05-03 | Automatic earphone system of volume adjusts |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068213A (en) * | 2018-08-09 | 2018-12-21 | 歌尔科技有限公司 | A kind of earphone volume control method and device |
| CN111726730A (en) * | 2019-03-18 | 2020-09-29 | 塞舌尔商元鼎音讯股份有限公司 | Sound playing device and method for adjusting output sound |
-
2016
- 2016-05-03 CN CN201620386106.4U patent/CN205566597U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068213A (en) * | 2018-08-09 | 2018-12-21 | 歌尔科技有限公司 | A kind of earphone volume control method and device |
| CN111726730A (en) * | 2019-03-18 | 2020-09-29 | 塞舌尔商元鼎音讯股份有限公司 | Sound playing device and method for adjusting output sound |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20190503 |