CN201226513Y - Mobile phone capable of implementing voice communication employing bone conduction - Google Patents
Mobile phone capable of implementing voice communication employing bone conduction Download PDFInfo
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- CN201226513Y CN201226513Y CNU2008200953182U CN200820095318U CN201226513Y CN 201226513 Y CN201226513 Y CN 201226513Y CN U2008200953182 U CNU2008200953182 U CN U2008200953182U CN 200820095318 U CN200820095318 U CN 200820095318U CN 201226513 Y CN201226513 Y CN 201226513Y
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Abstract
The utility model discloses a mobile phone adopting bone conduction to realize voice communication, which at least includes a bone conduction module, a data conversion interface, a radio frequency receiving and transmitting module, a sending processing circuit, and a receiving processing circuit, wherein, the bone conduction module is used for transmitting communication voice by utilizing the bone conduction technology; the data conversion interface is connected with the bone conduction module; the sending processing circuit is used for the wireless emission preprocessing of the conducted-in communication voice, and connected between the data conversion interface and the radio frequency receiving and transmitting module; the receiving processing circuit is used for processing the received wireless signal into the conducted-out communication voice, and is connected between the data conversion interface and the radio frequency receiving and sending module. Because the voice signal of the mobile phone is conducted by a bone, and the possibility of noise interference is reduced in principle. In addition, a bone conduction electroacoustic device does not need a voice output hole and a pickup hole and is beneficial for the sealing treatment of the casing of the mobile phone.
Description
Technical field
The utility model relates to a kind of mobile phone, especially relates to a kind of mobile phone that adopts bone conduction technology to realize voice communication.
Background technology
Along with becoming more diverse of cell-phone function, various new technology also constantly are integrated in the mobile phone and go.At present, mobile phone carries out voice communication and all relies on air transmitted to realize.
And there are two big shortcomings in the mobile phone of traditional air transmitted:
1. owing to will conduct voice by air transmitted, therefore, the casing at the position, electro-acoustic element place on the mobile phone necessarily need be reserved opening, so that voice are by this opening conduction, so so mobile phone is difficult to accomplish sealing, be unfavorable for that mobile phone carries out the waterproof and dampproof processing of Denging.
2. because ambient noise and speech all are to import into and spread out of mobile phone by air,, especially under the big environment of noise, make mobile phone be difficult to carry out voice communication than good quality so be difficult to sound removal noise during conversation.
The utility model content
The purpose of this utility model is to propose a kind of mobile phone that adopts bone conduction technology to realize voice communication, relies on air transmitted to carry out the technical problem that voice communication has many defectives to solve present mobile phone.
For solving technical problem of the present utility model, the utility model discloses a kind of mobile phone that adopts osteoacusis to realize voice communication, and this mobile phone comprises at least:
Be used to the osteoacusis module of utilizing bone conduction technology communication speech to be imported into and spread out of;
The data transformation interface that is connected with described osteoacusis module;
Radio-frequency (RF) receiving and transmission module;
Be used for the communication speech of importing into is carried out the transmission treatment circuit of wireless transmission pre-treatment, be connected between described data transformation interface and the described radio-frequency (RF) receiving and transmission module;
The wireless signal that is used to receive is treated to the receiving processing circuit of the communication speech that spreads out of, and is connected between described data transformation interface and the described radio-frequency (RF) receiving and transmission module.
More excellent, described osteoacusis module comprises:
Be used to gather the bone-conduction microphone of the communication speech information of importing into;
Be used for the communication speech information of importing into is done the noise reduction process circuit of noise reduction process, connect described bone-conduction microphone;
The communication speech that is used for spreading out of is carried out the power driving circuit that power amplification is handled, and connects described data transformation interface;
Be used to spread out of the osteoacusis loudspeaker of communication speech, connect described power driving circuit.
More excellent, described transmission treatment circuit comprises: Chuan Jie speech coding circuit, chnnel coding circuit, interleave circuit, encrypted circuit and burst formating circuit successively.
More excellent, described receiving processing circuit comprises: Chuan Jie equalizing circuit, decrypt circuit, deinterleave circuit, channel decoding circuit and tone decoding circuit successively.
More excellent, described data transformation interface comprises:
The communication speech that is used for described osteoacusis module is imported into is the A/D translation interface of digital signal from analog signal conversion, is connected between described osteoacusis module and the described transmission treatment circuit;
Be used for described receiving processing circuit is output as the D/A translation interface that the communication speech information translation is an analog signal that spreads out of of digital signal, be connected between described osteoacusis module and the described receiving processing circuit.
More excellent, described radio-frequency (RF) receiving and transmission module comprises:
Be connected the rf modulation circuit of described transmission treatment circuit output;
Be connected the radio demodulating circuit of described receiving processing circuit input.
More excellent, described employing osteoacusis realizes that the mobile phone of voice communication also comprises: the antenna that connects described radio-frequency (RF) receiving and transmission module.
Compared with prior art, the utlity model has following beneficial effect:
The utility model utilizes bone-conduction microphone that voice telecommunication number is transferred to mobile phone, pass through further noise reduction sonication then, remove background noise, be transferred to the audio signal access point of mobile phone again, signal processing, modulation through mobile phone inside re-send to communication network; And receiving the wireless signal of automatic network and demodulation, DSP to handle, the osteoacusis loudspeaker are exported in the audio electrical signal power amplification after will handling again.Because noise is an air borne, voice signal is by osteoacusis, so reduced the possibility of noise jamming from principle; In addition, the osteoacusis electro-acoustic element does not need phonate hole and pickup hole, helps the encapsulation process of handset shell.
Description of drawings
Fig. 1 is the structural representation of the utility model mobile phone;
Fig. 2 realizes the structural representation that the communication speech wireless transmission is handled among Fig. 1;
Fig. 3 realizes the structural representation that the communication speech wireless receiving is handled among Fig. 2.
Embodiment
With reference to shown in Figure 1.Mobile phone of the present utility model comprises: be used to the osteoacusis module 110 of utilizing bone conduction technology communication speech to be imported into and spread out of; The data transformation interface 120 that is connected with described osteoacusis module 110; Radio-frequency (RF) receiving and transmission module 140; The antenna 150 that is connected with radio-frequency (RF) receiving and transmission module 140; Be used for the communication speech of importing into is carried out the wireless transmission pre-treatment and the wireless signal that receives is treated to the digital signal processing module 130 of the communication speech that spreads out of, this digital signal processing module 130 is connected between described data transformation interface 120 and the described radio-frequency (RF) receiving and transmission module 140; And central processing module 160, human-computer interface module 170 and supply module 180.
In conjunction with Fig. 2 and shown in Figure 3.Wherein, described osteoacusis module 110 comprises: the bone-conduction microphone 111 that is used to gather the communication speech information of importing into; Be used for the communication speech information of importing into is done the noise reduction process circuit 112 of noise reduction process, connect described bone-conduction microphone 111; The communication speech that is used for spreading out of is carried out the power driving circuit 113 that power amplification is handled; Be used to spread out of the osteoacusis loudspeaker 114 of communication speech, connect described power driving circuit 113.
Described digital signal processing module 130 comprises transmission treatment circuit and receiving processing circuit, can adopt dsp processor to realize.Wherein, described transmission treatment circuit comprises: Chuan Jie speech coding circuit 131, chnnel coding circuit 132, interleave circuit 133, encrypted circuit 134 and burst formating circuit 135 successively; Described receiving processing circuit comprises: Chuan Jie equalizing circuit 136, decrypt circuit 137, deinterleave circuit 138, channel decoding circuit 139 and tone decoding circuit 190 successively.
Described data transformation interface 120 comprises: the communication speech that is used for importing into is the A/D translation interface 121 of digital signal from analog signal conversion, is used for described receiving processing circuit is output as the D/A translation interface 122 that the communication speech information translation is an analog signal that spreads out of of digital signal.
Described radio-frequency (RF) receiving and transmission module 140 comprises: the rf modulation circuit 141 that is connected described transmission treatment circuit output; Be connected the radio demodulating circuit 142 of described receiving processing circuit input.
As shown in Figure 2, specifically, voice import mobile phone by bone-conduction microphone 111 into analog electrical signal, remove by air transmitted after noise signal through noise reduction process circuit 112, be converted to digital signal by A/D translation interface 121, by described transmission treatment circuit digital signal carried out following processing afterwards:
1, carrying out speech coding by speech coding circuit 131 handles: the communication speech that will import into is treated to the information flow of the 13Kbitps that represents voice.
2, carrying out chnnel coding by chnnel coding circuit 132 handles: in order to detect even correct the mistake that produces between transmission period, introduce redundant code in data flow, improve its speed by it is calculated that the information that obtains from information source number.The result of chnnel coding is a streams of code words.
3, carry out interleaving treatment by interleave circuit 133: the bit of several code words is mixed, make that mutual close bit can expand on several code words in modulated signal. because the possibility of makeing mistakes continuously in the modulated stream is closely related, and because after mistake is by decorrelation, the chnnel coding performance can be improved, the purpose that interweaves is exactly to remove the correlation of mistake and their positions in code word, after interweaving, information flow has just become the sequence of block of information.
4, carrying out the burst format by burst formating circuit 135 handles: for helping the synchronous and balanced of received signal, increase some binary messages and make it become the binary message piece in the information encrypted piece.
5, carry out encryption by encrypted circuit 134: the content of revising these block of informations by the cipher mode of only knowing by travelling carriage and base transceiver station.
6, carry out modulation treatment by rf modulation circuit 141: use the GMSK modulation technique, carve the analog signal that digital signal is changed into suitable frequency in due course; By the processing of rf modulation circuit 141, launch then with the form of radio wave.
As shown in Figure 3, the processing procedure of mobile phone received communication voice is as follows:
1, make demodulation process by radio demodulating circuit 142: after radio wave was received by antenna 150, receiver received corresponding information according to the multiple access rule.Under the help of the additional information of introducing during the burst format this part signal is carried out demodulation, the result is the sequence of binary message piece.
2, make equilibrium treatment by equalizing circuit 136: the purpose that adopts equalizing demodulation is to proofread and correct the radio signal distortion that causes because of complex-terrain.
3, make decryption processing by decrypt circuit 137: revise these bits by the method opposite with encryption.
4, by deinterleave circuit 138 processing that deinterleaves:, the bit of different bursts is put back to original position in order to rebuild code word.
5, making channel-decoding by channel decoding circuit 139 handles: utilize additional redundant code, detect or correct possible mistake in the demodulator output, recover information source information from the output of demodulator.
6, making tone decoding by tone decoding circuit 190 handles: by decoder DAC digital speech information is reduced into the voice signal of simulation, this analog signal outputs to osteoacusis loudspeaker 114 output voice through power driving circuit 113 rate of doing work processing and amplifying.
To sum up, the utility model utilizes bone-conduction microphone that voice telecommunication number is transferred to mobile phone, passes through further noise reduction sonication then, remove background noise, be transferred to the audio signal access point of mobile phone again, signal processing, modulation through mobile phone inside re-send to communication network; And receiving the wireless signal of automatic network and demodulation, DSP to handle, the osteoacusis loudspeaker are exported in the audio electrical signal power amplification after will handling again.Because noise is an air borne, voice signal is by osteoacusis, so reduced the possibility of noise jamming from principle; In addition, the osteoacusis electro-acoustic element does not need phonate hole and pickup hole, helps the encapsulation process of handset shell.
Claims (7)
1, a kind of mobile phone that adopts osteoacusis to realize voice communication is characterized in that, comprises at least:
Be used to the osteoacusis module of utilizing bone conduction technology communication speech to be imported into and spread out of;
The data transformation interface that is connected with described osteoacusis module;
Radio-frequency (RF) receiving and transmission module;
Be used for the communication speech of importing into is carried out the transmission treatment circuit of wireless transmission pre-treatment, be connected between described data transformation interface and the described radio-frequency (RF) receiving and transmission module;
The wireless signal that is used to receive is treated to the receiving processing circuit of the communication speech that spreads out of, and is connected between described data transformation interface and the described radio-frequency (RF) receiving and transmission module.
2, employing osteoacusis according to claim 1 is realized the mobile phone of voice communication, it is characterized in that described osteoacusis module comprises:
Be used to gather the bone-conduction microphone of the communication speech information of importing into;
Be used for the communication speech information of importing into is done the noise reduction process circuit of noise reduction process, connect described bone-conduction microphone;
The communication speech that is used for spreading out of is carried out the power driving circuit that power amplification is handled, and connects described data transformation interface;
Be used to spread out of the osteoacusis loudspeaker of communication speech, connect described power driving circuit.
3, employing osteoacusis according to claim 1 is realized the mobile phone of voice communication, it is characterized in that described transmission treatment circuit comprises: Chuan Jie speech coding circuit, chnnel coding circuit, interleave circuit, encrypted circuit and burst formating circuit successively.
4, employing osteoacusis according to claim 1 is realized the mobile phone of voice communication, it is characterized in that described receiving processing circuit comprises: Chuan Jie equalizing circuit, decrypt circuit, deinterleave circuit, channel decoding circuit and tone decoding circuit successively.
5, employing osteoacusis according to claim 1 is realized the mobile phone of voice communication, it is characterized in that described data transformation interface comprises:
The communication speech that is used for described osteoacusis module is imported into is the A/D translation interface of digital signal from analog signal conversion, is connected between described osteoacusis module and the described transmission treatment circuit;
Be used for described receiving processing circuit is output as the D/A translation interface that the communication speech information translation is an analog signal that spreads out of of digital signal, be connected between described osteoacusis module and the described receiving processing circuit.
6, employing osteoacusis according to claim 1 is realized the mobile phone of voice communication, it is characterized in that described radio-frequency (RF) receiving and transmission module comprises:
Be connected the rf modulation circuit of described transmission treatment circuit output;
Be connected the radio demodulating circuit of described receiving processing circuit input.
7, employing osteoacusis according to claim 1 is realized the mobile phone of voice communication, it is characterized in that, also comprises: the antenna that connects described radio-frequency (RF) receiving and transmission module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200953182U CN201226513Y (en) | 2008-07-04 | 2008-07-04 | Mobile phone capable of implementing voice communication employing bone conduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200953182U CN201226513Y (en) | 2008-07-04 | 2008-07-04 | Mobile phone capable of implementing voice communication employing bone conduction |
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| CN201226513Y true CN201226513Y (en) | 2009-04-22 |
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| CNU2008200953182U Expired - Fee Related CN201226513Y (en) | 2008-07-04 | 2008-07-04 | Mobile phone capable of implementing voice communication employing bone conduction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136848A (en) * | 2011-01-27 | 2011-07-27 | 厦门日华科技股份有限公司 | Device capable of receiving and sending various alarming messages and conducting acoustic code word communication |
| CN103038824A (en) * | 2010-05-27 | 2013-04-10 | 索尼移动通信公司 | Hands-free unit with noise tolerant audio sensor |
| CN104581458A (en) * | 2014-11-20 | 2015-04-29 | 广西大学 | Portable remote sound pickup device |
-
2008
- 2008-07-04 CN CNU2008200953182U patent/CN201226513Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103038824A (en) * | 2010-05-27 | 2013-04-10 | 索尼移动通信公司 | Hands-free unit with noise tolerant audio sensor |
| CN103038824B (en) * | 2010-05-27 | 2014-12-17 | 索尼移动通信公司 | Hands-free unit with noise tolerant audio sensor |
| CN102136848A (en) * | 2011-01-27 | 2011-07-27 | 厦门日华科技股份有限公司 | Device capable of receiving and sending various alarming messages and conducting acoustic code word communication |
| CN102136848B (en) * | 2011-01-27 | 2014-01-15 | 厦门日华科技股份有限公司 | Device capable of receiving and sending various alarming messages and conducting acoustic code word communication |
| CN104581458A (en) * | 2014-11-20 | 2015-04-29 | 广西大学 | Portable remote sound pickup device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20100704 |