CN105704603A

CN105704603A - Bluetooth earphone

Info

Publication number: CN105704603A
Application number: CN201610072803.7A
Authority: CN
Inventors: 王金龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-02-02
Filing date: 2016-02-02
Publication date: 2016-06-22

Abstract

A bluetooth earphone having a sound feedback function is disclosed. A microphone is used for collecting sound signals of a speaker, sound production is realized through a loudspeaker after the sound signals are processed by software and hardware in the body of the Bluetooth earphone, the speaker can hear his own true sound and obtain feedback on his own true sound in real time, and therefore a sounding habit can be helped to be corrected and improved. The sound feedback function cab be fulfilled no matter whether the Bluetooth is connected or disconnected with a mobile phone in a wireless manner. The Bluetooth earphone adopts a technical solution that on the basis of a current mainstream Bluetooth earphone chip, a Bluetooth chip programming mode or a chip hardware connection (including chip internal connection and chip external connection) mode is adopted; an audio frequency modem is controlled by a micro-program control device of a Bluetooth chip, audio signals collected by the microphone are modulated into digital signals, the digital signals are then converted into audio signals through the audio frequency modem, and sound production can be realized through the loudspeaker of the earphone.

Description

Bluetooth earphone

Technical field

The present invention relates to earphone field, particularly relate to a kind of bluetooth earphone carrying sound feedback function。

Background technology

Believing when recording, everyone first hears that the sound of oneself shocks very much, this is the sound of oneself？Unpleasant to hear more than oneself haunting sound image, majority are reluctant the recording listening oneself, in the face of the sound majority of oneself have selected escape。For hearer, when sounder is spoken, the sound of sounder is from the bottom of throat, produce vibration and sounding by air in lungs by vocal cords, amplified by larynx part, become word by lip tongue active organization, echoed away by the environment of surrounding, enter the ear of hearer, stimulate tympanum and the internal ear structures of hearer, analog waveform is changed into the signal of telecommunication, the brain being ultimately transferred to hearer is understood, and this is the actual sound that hearer hears。For sounder, internal ear not only picks up the sound of external source, and the vibration of body interior also is able to excite these auditory structures。When speaking, the fast vibration of vocal cords drives the cranial cavity vibration of sounder, but sound is propagated in bone can be easy unlike propagating in air, the resistance wherein increased causes that frequency of sound wave declines, tone reduces, thus causing a kind of feedback phenomenon, stimulating tympanum both to accept the sound transmitted from air, also accepting the stimulation that skull vibration produces。This effect causes that what sounder heard is not the actual sound of oneself, because sounder is propagated back to, from the sound spued in the mouth, the energy loss that there is sound wave in ear process air dielectric, namely frequency of sound wave declines, tone reduces, result is exactly hear the sound of sounder compared to hearer, the sound of oneself that sounder is actually hearing is distortion, lower slightly heavy sound。Both sound (inside and outside) it is integrated into a kind of audible signal by sounder brain, namely " sound of oneself ", being but stereo (air and bone conduction) with supper bass in fact, the sound of sounder oneself sensation is musical more than what hearer heard。Because sound feedback cannot be obtained in time, it is impossible to correct sounding, all there is various defect in the sounding of majority, affects the performance in study and work and life。Correction improves sounding, and the sound glamour improving individual has become potential social need, and the major company focusing on image all invites sounding expert to do special pronounciation training, but subject to conditions the having no chance of majority accepts this training。

Summary of the invention

The main purpose of the present invention is to provide a kind of bluetooth earphone carrying sound feedback function, and sounder hears the actual sound of oneself in real time, obtains actual sound feedback in real time。The level close to actual sound is accomplished in the voice collecting of current bluetooth earphone and transmission already, possesses most features of the sound that human ear can be heard, it is sufficient to feed back to sounder as actual sound, corrects the reference improving sounding as sounder。Commercial city, current main flow bluetooth earphone chip factory provides highly integrated scheme, bluetooth earphone integrated chip Audio interface block, bluetooth modem, memory interface and administrative unit, plus the element of mike, speaker, battery and necessity, form bluetooth earphone。The present invention is on current main-stream bluetooth earphone chip basis, the mode of (including chip internal to connect and external connection) is connected by Bluetooth chip programming mode or chip hardware, voice-grade modems is controlled by the microprogram control unit of Bluetooth chip, the modulates audio signals of mike collection is become digital signal, again through voice-grade modems, it is converted into audio signal, by earphone speaker sounding。The present invention develops further on the basis of bluetooth earphone, and low cost realizes the Real-time Feedback of personal voice。Bluetooth earphone is portable, and cost is low, it is easy to universal, it is desirable to prospect be each bluetooth earphone following with sound feedback function, voice feedback is provided at any time。

Accompanying drawing explanation

Fig. 1 is functional realiey schematic diagram of the present invention, and Fig. 2 is that chip internal audio codec realizes feedback function schematic diagram。

Detailed description of the invention

Bluetooth earphone of the present invention includes the common bluetooth earphone assemblies such as battery component, bluetooth module (comprising bluetooth earphone chip and peripheral circuit), mike, speaker。

The technical solution adopted for the present invention to solve the technical problems: on current main-stream bluetooth earphone chip basis, the mode programmed by Bluetooth chip or chip hardware connect the mode of (including chip internal to connect and external connection), microprogram control unit controls voice-grade modems, the modulates audio signals of mike collection is become digital signal, again through voice-grade modems, it is converted into audio signal, by earphone speaker sounding。

Bluetooth earphone of the present invention possesses sound feedback function, possesses the function of common bluetooth earphone。Can control to enter sound feedback mode of operation with earphone keystroke, volume is set。Can control to enter sound feedback mode of operation with mobile phone, volume is set, sets bluetooth earphone mode of operation switch logic。When bluetooth earphone and mobile phone wireless are connected can sound feedback, can also sound feedback during disconnection。

All based on bluetooth earphone chip, by bluetooth earphone body interior hardware-software control realization sound feedback, it is suitable for the bluetooth earphone that audition healthy population sounding improves, all should being encompassed in scope。

Claims

1. the bluetooth earphone carrying sound feedback function。

2. bluetooth earphone as described in right 1, it is characterised in that the acoustical signal of sounder oneself collected by mike, after being processed by bluetooth earphone body interior hardware-software, by speaker sounding, obtains actual sound feedback in real time, helps correction to improve sounding custom。

3. bluetooth earphone as described in right 1, it is characterized in that sound feedback functional realiey mode is the mode that the mode programmed by Bluetooth chip or chip hardware connect (including chip internal to connect and external connection), control voice-grade modems, the modulates audio signals of mike collection is become digital signal, pass through voice-grade modems, it is converted into audio signal, by earphone speaker sounding。

4. bluetooth earphone as described in right 1, it is characterised in that bluetooth earphone energy complete independently sound feedback function, when bluetooth earphone and mobile phone wireless are connected bluetooth earphone can sound feedback, can also sound feedback during disconnection。

5. bluetooth earphone as described in right 1, is characterized in that live sound feeds back。

6. bluetooth earphone as described in right 1, it is possible to enter sound feedback mode of operation with bluetooth earphone by key control, volume is set, it is possible to control to enter sound feedback mode of operation with mobile phone, volume is set, set bluetooth earphone mode of operation switch logic。