CN210075540U

CN210075540U - Novel bluetooth headset

Info

Publication number: CN210075540U
Application number: CN201921441655.7U
Authority: CN
Inventors: 孟凡贵
Original assignee: Dongguan Sensitive Electronics Technology Co Ltd
Current assignee: Dongguan Sensitive Electronics Technology Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-02-14
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to a bluetooth field, concretely relates to novel bluetooth headset, including earphone body and the audio frequency conversion unit of setting in the earphone, the audio frequency conversion unit includes the input, the audio frequency decoding module that links to each other with the input, the spectral analysis module that links to each other with the audio frequency decoding module, the waveform generator that links to each other with the spectral analysis module, the synthesis module that links to each other with waveform generator and audio frequency decoding module, the output module that links to each other with the synthesis module, be equipped with pitch separation module and neural network module between spectral analysis module and the waveform generator, pitch separation module links to each other with spectral analysis module, neural network module and waveform generator, neural network module links to each other with the waveform generator, be equipped with scene identification module and musical instrument identification module in the neural network module; the utility model discloses a combination reconstruction high frequency information of spectral analysis module, fundamental tone separation module and neural network module reaches the purpose that promotes tone quality.

Description

Novel bluetooth headset

Technical Field

The utility model relates to a bluetooth field especially relates to a novel bluetooth headset.

Background

Bluetooth headset is exactly using the bluetooth technology on hands-free headset, let the user can avoid annoying wire's the stumbling, freely with light conversation of various modes on ground, since Bluetooth headset came out, always be the good instrument of action business clan promotion efficiency, and in the present day that the rhythm of life is quickened, listening to music with Bluetooth headset can relax oneself to a great extent during commuting, but most Bluetooth headset tone quality on the market at present is poor, make people can not obtain perfect experience, and those bluetooth headset that tone quality is relatively good are because the price is high, compatibility is poor, the consumption is high, can not popularize masses fine.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a novel bluetooth headset.

The utility model adopts the technical proposal that: the utility model provides a novel Bluetooth headset, includes earphone body and the audio frequency conversion unit of setting in the earphone, the audio frequency conversion unit includes the input, the audio frequency decoding module that links to each other with the input, the spectral analysis module that links to each other with the audio frequency decoding module, the waveform generator that links to each other with the spectral analysis module, the synthesis module that links to each other with waveform generator and audio frequency decoding module, the output module that links to each other with the synthesis module, be equipped with pitch separation module and neural network module between spectral analysis module and the waveform generator, pitch separation module links to each other with spectral analysis module, neural network module and waveform generator, the neural network module links to each other with the waveform generator, be equipped with scene identification module and musical instrument identification module in the neural network module.

The technical scheme is further improved in that a phase detection module is arranged between the spectrum analysis module and the waveform generator, one end of the phase detection module is connected with the spectrum analysis module, and the other end of the phase detection module is connected with the waveform generator.

The technical scheme is further improved in that a noise detection module is further arranged between the spectrum analysis module and the waveform generator, one end of the noise detection module is connected with the spectrum analysis module, and the other end of the noise detection module is connected with the waveform generator.

The utility model has the advantages as follows:

the utility model discloses a fundamental tone separation obtains further information, then the musical instrument type is judged out and the scene is played to musical instrument identification module and scene identification module of input in the neural network module to this comes the high frequency information of reconsitution loss, and the high frequency information after the reconsitution merges original audio signal output, thereby improves tone quality, makes the sense of hearing better, and is same the utility model discloses a module can be further optimized to whole signal with the noise detection module to the phase detection.

Drawings

Fig. 1 is a schematic diagram of the module composition in the audio conversion unit of the present invention;

FIG. 2 is a diagram of the original spectrum of a signal;

FIG. 3 is a graphical illustration of the spectrum of high frequency loss after Bluetooth transmission;

fig. 4 is a schematic diagram of a spectrum reconstructed by the present invention;

description of reference numerals: 100-input end, 101-audio decoding module, 102-spectrum analysis module, 103-pitch separation module, 104-neural network module, 105-musical instrument identification module, 106-scene identification module, 107-noise detection module, 108-phase detection module, 109-waveform generator, 110-synthesis module, and 111-output end.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, it is a schematic diagram of the module composition in the audio conversion unit of the present invention.

The novel Bluetooth headset comprises a headset body and an audio conversion unit arranged in the headset body, wherein the audio conversion unit comprises an input end 100, an audio decoding module 101 connected with the input end 100, a spectrum analysis module 102 connected with the audio decoding module 101, a waveform generator 109 connected with the spectrum analysis module 102, a synthesis module 110 connected with the waveform generator 109 and the audio decoding module 101, and an output module 111 connected with the synthesis module 110, a fundamental tone separation module 103 and a neural network module 104 are arranged between the spectrum analysis module 102 and the waveform generator 109, the fundamental tone separation module 103 is connected with the spectrum analysis module 102, the neural network module 104 and the waveform generator 109, the neural network module 1004 is connected with the waveform generator 109, and the neural network module 109 is provided with a scene recognition module 106 and an instrument recognition module 105.

A phase detection module 108 is arranged between the spectrum analysis module 102 and the waveform generator 109, one end of the phase detection module 108 is connected with the spectrum analysis module 102, and the other end is connected with the waveform generator 109; a noise detection module 107 is further disposed between the spectrum analysis module 102 and the waveform generator 109, and one end of the noise detection module 107 is connected to the spectrum analysis module 102 and the other end is connected to the waveform generator 109.

As shown in fig. 2-4, for the original frequency spectrum of certain signal diagram, the frequency spectrum diagram of high frequency loss behind bluetooth transmission and process the utility model discloses the frequency spectrum diagram of reconsitution can be seen from the drawing and compared in the frequency spectrum of high frequency loss behind bluetooth transmission, process the utility model discloses frequency spectrum after the reconsitution can obtain more high frequency information, realizes better tone quality.

The utility model discloses a theory of operation does: the input end 100 receives input audio information and then transmits the audio information to the audio decoding module 101, the audio decoding module 101 can input intermediate data generated in the decoding process to the spectrum analysis module 102, the spectrum analysis module 102 can analyze high-frequency information and low-frequency information from the intermediate information, the analyzed high-frequency information is transmitted to the gene separation module 103, the gene separation module 103 further analyzes and obtains information such as fundamental tone, overtone and the like, the obtained information can be input to the neural network module 104, the types of partial or all musical instruments and the recording scenes (environments) can be identified through the musical instrument identification module 105 and the scene identification module 106 in the neural network module 104, so as to reconstruct the high-frequency information, and the low-frequency information analyzed by the spectrum analysis module 102 can further optimize the low-frequency information through the noise detection module 107 and the phase detection module 108, the reconstructed high-frequency information and the optimized low-frequency information are combined to control the waveform generator to generate a required waveform, then the generated waveform and the information decoded by the audio decoding module 101 are synthesized into new audio information in the synthesis module 110 again, and the new audio information can be output through the output end 111.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a novel Bluetooth headset, includes earphone body and the audio frequency conversion unit of setting in the earphone, the audio frequency conversion unit includes the input, the audio frequency decoding module that links to each other with the input, the spectral analysis module that links to each other with the audio frequency decoding module, the waveform generator that links to each other with the spectral analysis module, the synthesis module that links to each other with waveform generator and audio frequency decoding module, the output module that links to each other with the synthesis module, a serial communication port, be equipped with pitch separation module and neural network module between spectral analysis module and the waveform generator, pitch separation module links to each other with spectral analysis module, neural network module and waveform generator, the neural network module links to each other with the waveform generator, be equipped with scene identification module and musical instrument identification module in the neural network module.

2. The bluetooth headset as claimed in claim 1, wherein a phase detection module is disposed between the spectrum analysis module and the waveform generator, and one end of the phase detection module is connected to the spectrum analysis module and the other end is connected to the waveform generator.

3. The bluetooth headset as claimed in claim 1, wherein a noise detection module is further disposed between the spectrum analysis module and the waveform generator, and one end of the noise detection module is connected to the spectrum analysis module and the other end is connected to the waveform generator.