CN105551491A - Voice recognition method and device - Google Patents

Voice recognition method and device Download PDF

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Publication number
CN105551491A
CN105551491A CN201610085937.2A CN201610085937A CN105551491A CN 105551491 A CN105551491 A CN 105551491A CN 201610085937 A CN201610085937 A CN 201610085937A CN 105551491 A CN105551491 A CN 105551491A
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CN
China
Prior art keywords
described
voice
speech data
mobile phone
wireless headset
Prior art date
Application number
CN201610085937.2A
Other languages
Chinese (zh)
Inventor
杨香斌
Original Assignee
海信集团有限公司
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Application filed by 海信集团有限公司 filed Critical 海信集团有限公司
Priority to CN201610085937.2A priority Critical patent/CN105551491A/en
Publication of CN105551491A publication Critical patent/CN105551491A/en

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/22Procedures used during a speech recognition process, e.g. man-machine dialogue
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/72Substation extension arrangements; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selecting
    • H04M1/725Cordless telephones
    • H04M1/72519Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status
    • H04M1/72522With means for supporting locally a plurality of applications to increase the functionality
    • H04M1/72527With means for supporting locally a plurality of applications to increase the functionality provided by interfacing with an external accessory
    • H04M1/7253With means for supporting locally a plurality of applications to increase the functionality provided by interfacing with an external accessory using a two-way short-range wireless interface
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/22Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G10L2015/223Execution procedure of a spoken command

Abstract

The invention discloses a voice recognition method and device, and relates to the field of communication. The voice recognition method and device are used for solving the problem that a voice control command can not be effectively recognized when voice recognition is carried out through a wireless headset. The voice recognition method includes the steps that after the wireless headset receives incoming call information transmitted from a mobile phone, voices are collected to obtain voice data; the voice data is transmitted to the mobile phone, wherein the voice data is used for voice recognition of the mobile phone and executing of a control command contained in the voice data of the mobile phone; after transmitting the incoming call information to the wireless headset, the mobile phone receives the voice data which the wireless headset obtains through audio acquisition and transmits; the voice data is subjected to voice recognition, and the control command contained in the voice data is obtained. The embodiment of the voice recognition method and device is used for hanging up or answering an incoming call when the wireless headset and the mobile phone are paired.

Description

Audio recognition method and equipment

Technical field

The present invention relates to the communications field, particularly relate to a kind of audio recognition method and equipment.

Background technology

Wireless headset hands-free headsets is connected with paired device in the mode that wireless replacement is wired, be specially adapted to earphone and paired device have certain distance or inconvenient mutually between the scene such as wired connection, such as move, receive calls in driving procedure, listen to the music.What prior art application was more is bluetooth earphone Bluetooth technology be applied in hands-free headsets.

When wireless headset is when matching with mobile phone, if user's hand is occupied and can not button when answering when phone is dragged on, such as voice are by other means needed to carry out answering or rejection.Solution in prior art is: with DTW (English full name: dynamictimewarping in the single-chip microcomputer of wireless headset, Chinese: dynamic time consolidation) method carry out voice signal coupling do speech recognition, send to mobile phone after identifying voice control command, performed by mobile phone and answer or refusing to receive telephone.

State in realization in the process of speech recognition, inventor finds that in prior art, at least there are the following problems:

On the one hand, according to the practice of existing mobile phone operating system, voice channel SCO (the English full name: synchronousconnectionorientedlink between wireless headset can be forbidden during cell phone incoming call, Chinese: synchronous connection oriented link), by voice transfer to mobile phone, therefore cannot can only carry out speech recognition on wireless headset.On the other hand, because the computational resource on wireless headset is limited, when carrying out speech recognition, user is limited the word can only saying that " answering " and " rejection " etc. are limited, and discrimination is low, and recognition effect is poor, causes voice control command not to be effectively recognized.

Summary of the invention

Embodiments of the invention provide a kind of audio recognition method and equipment, adopt wireless headset to carry out the problem that speech recognition causes voice control command not to be effectively recognized for solving.

For achieving the above object, embodiments of the invention adopt following technical scheme:

First aspect, provide a kind of audio recognition method, the method comprises:

Wireless headset, after the incoming message receiving mobile phone transmission, gathers voice and obtains speech data;

Described speech data is sent to mobile phone by first passage, so that described mobile phone carries out speech recognition to speech data and performs the control command comprised in described speech data, wherein, described first passage be described wireless headset after receiving described incoming message for transmitting the passage of packet.

Second aspect, provides a kind of audio recognition method, comprising:

Mobile phone is after sending incoming message to wireless headset, received by first passage and obtained and the speech data sent by gathering voice by described wireless headset, wherein, described first passage be described wireless headset after receiving described incoming message for transmitting the passage of packet;

Speech recognition is carried out to described speech data, obtains the control command comprised in described speech data.

The third aspect, provides a kind of wireless headset, and this wireless headset comprises:

Collecting unit, for after the incoming message receiving mobile phone transmission, gathers voice and obtains speech data;

Transmitting element, for sending described speech data by first passage to mobile phone, so that described mobile phone carries out speech recognition to described speech data and obtains the control command that comprises in described speech data, wherein, described first passage be described wireless headset after receiving described incoming message for transmitting the passage of packet.

Fourth aspect, provides a kind of mobile phone, comprising:

Receiving element, for mobile phone after sending incoming message to wireless headset, received by first passage and obtained and the speech data sent by gathering voice by described wireless headset, wherein, described first passage be described wireless headset after receiving described incoming message for transmitting the passage of packet;

Recognition unit, for carrying out speech recognition to described speech data, obtains the control command comprised in described speech data.

The audio recognition method that embodiments of the invention provide and equipment, by wireless headset after the incoming message receiving mobile phone transmission, gather voice and obtain speech data; By first passage to mobile phone transmission voice data, speech data be used for mobile phone carries out speech recognition and performs the control command comprised in speech data, wherein, first passage be wireless headset after receiving incoming message for transmitting the passage of packet; Mobile phone, after sending incoming message to wireless headset, is received by first passage and is obtained and the speech data sent by gathering voice by wireless headset; Speech recognition is carried out to speech data, obtains the control command comprised in speech data.Achieve wireless headset will hang up, and the voice control command such as answer and be sent to mobile phone, by mobile phone, it is identified, make use of mobile phone powerful resource, improve the effect of speech recognition, solve the problem that wireless headset carries out speech recognition weak effect.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

The schematic diagram of a kind of communication system that Fig. 1 provides for embodiments of the invention;

The schematic flow sheet of a kind of audio recognition method that Fig. 2 provides for embodiments of the invention;

The schematic flow sheet of the another kind of audio recognition method that Fig. 3 provides for embodiments of the invention;

The schematic flow sheet of another audio recognition method that Fig. 4 provides for embodiments of the invention;

The structural representation of a kind of wireless headset that Fig. 5 provides for embodiments of the invention;

The structural representation of a kind of mobile phone that Fig. 6 provides for embodiments of the invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

With reference to shown in Fig. 1, for wireless headset 1 and mobile phone 2 carry out matching the communication system of rear formation, when mobile phone has phone to drag on, the voice of collection are sent to mobile phone 2 by wireless headset 1, carry out speech recognition by mobile phone 2 and resolve that voice comprise hang up, the instruction such as to answer, perform and hang up accordingly, the operation such as to answer, the wireless headset wherein in this communication system can for bluetooth earphone or other wirelessly carry out the wireless headset of information interaction with mobile phone.

Embodiment 1:

The embodiment provides a kind of audio recognition method, with reference to shown in Fig. 2, comprise the following steps:

S201, wireless headset, after the incoming message receiving mobile phone transmission, gather voice and obtain speech data, wherein, comprise voice control command such as hanging up, answer in speech data.

Optionally, a microphone or two microphones can be adopted to carry out collection voice.

S202, wireless headset by first passage to mobile phone transmission voice data, so that mobile phone carries out speech recognition to speech data and performs the control command comprised in speech data, wherein, first passage be wireless headset after receiving incoming message for transmitting the passage of packet.

Wireless headset is communicated with mobile phone by two kinds of passages; A kind of access needle is optimized voice transfer, is thus usually exclusively used in transferring voice, exemplary as the SCO passage in bluetooth earphone; Another kind of passage is not optimized for voice transfer, is thus generally used for the packet transmitting non-voice, exemplary as SPP (English name: serialportprofile, Chinese: the serial data) passage in such as bluetooth earphone.Exemplary, bluetooth earphone is after receiving incoming message, the SCO passage being exclusively used in transferring voice can be forbidden, in this case, the present invention is by being used for transferring voice by the passage of transferring non-speech data bag, exemplary, the present invention carrys out transferring voice by the passage of SPP or other transferring non-speech data bags.

S203, mobile phone, after sending incoming message to wireless headset, are received by first passage and are obtained and the speech data sent by gathering voice by wireless headset.

S204, mobile phone carry out speech recognition to speech data, obtain the control command comprised in speech data.

The audio recognition method that embodiments of the invention provide, by wireless headset after the incoming message receiving mobile phone transmission, gathers voice and obtains speech data; By first passage to mobile phone transmission voice data, speech data be used for mobile phone carries out speech recognition and performs the control command comprised in speech data, wherein, first passage be wireless headset after receiving incoming message for transmitting the passage of packet; Mobile phone, after sending incoming message to wireless headset, is received by first passage and is obtained and the speech data sent by gathering voice by wireless headset; Speech recognition is carried out to speech data, obtains the control command comprised in speech data.Achieve wireless headset will hang up, and the voice control command such as answer and be sent to mobile phone, by mobile phone, it is identified, make use of mobile phone powerful resource, improve the effect of speech recognition, solve the problem that wireless headset carries out speech recognition weak effect.

Embodiment 2:

The embodiment provides another kind of audio recognition method, with reference to shown in Fig. 3, comprise the following steps:

S301, wireless headset, after the incoming message receiving mobile phone transmission, gather voice and obtain speech data.

When wireless headset only has single wheat namely to only have radio reception microphone, the voice collected by single wheat are speech data.

Optionally, in order to improve recognition accuracy, when wireless headset have diamylose namely there is background noise microphone and radio reception microphone, with reference to shown in Fig. 4, gather voice and obtain speech data and comprise step S3011 to step S3013:

S3011, wireless headset, after the incoming message receiving mobile phone transmission, gather the first voice and the second voice.

When mobile phone side phone is dragged on, wireless headset can receive the incoming message that mobile phone sends, and then plays incoming message, opens two microphones on wireless headset simultaneously.These two microphones are respectively background noise microphone and radio reception microphone, and wherein, background noise microphone is for gathering the first voice (i.e. environmental background sound), and relative to radio reception microphone, the position of articulation of distance users is far away; Radio reception microphone is for gathering the second voice (i.e. user's speech utterance), and the position of articulation of distance users is nearer.The difference of the voice signal intensity utilizing two microphones to gather accurately judges that user loquiturs and terminates time of speaking, ensure the integrality of voice control command on the one hand, improve the accuracy of voice collecting, only subsequent treatment is carried out to effective speech utterance on the other hand, improve the efficiency of voice collecting.Exemplary, voice control command comprises: the voice control command such as " hanging up ", " answering ", " rejection ".

S3012, wireless headset judge that the signal difference of the first voice and the second voice starts to gather voice when being greater than the first thresholding.

First thresholding is default voice signal intensity, represents that user loquiturs, now start to gather voice when the signal difference of the first voice and the second voice is greater than the first thresholding, and continues to carry out buffer memory to speech data.

S3013, wireless headset judge that the signal difference of the first voice and the second voice terminates when being less than the second thresholding to gather voice, and obtain speech data according to the first voice and the second voice.

Second thresholding is default voice signal intensity, represent that user terminates to speak when the signal difference of the first voice and the second voice is less than the first thresholding, now terminate to gather voice, stop carrying out buffer memory to speech data, and obtain complete speech data, then the operation such as data processing, said shank is carried out to speech data.

S302, wireless headset compress speech data.

In order to improve the transfer efficiency of speech data, first the speech data after coding was compressed before speech data is sent to mobile phone, exemplary, ADPCM (English name: adaptivedifferencepulsecodemodulation can be adopted, Chinese: adaptive difference pulse code is modulated), AAC (English name: advancedaudiocoding, Chinese: Advanced Audio Coding), APT-X (English name: audioprocessingtechnology-X, Chinese: audio signal processing technique), SBC (English name: sub-bandcoding, Chinese: sub-band coding) etc. form compress, as long as ensure that wireless headset adopts identical compressed and decompressed form with mobile phone.

S303, wireless headset are by serial data channel to mobile phone transmission voice data, and speech data is used for mobile phone to carry out speech recognition and performs the control command comprised in speech data.

When adopting bluetooth earphone, due to according to current Bluetooth protocol, when mobile phone side has phone to drag on, the SCO passage being used for doing audio transmission between wireless headset can be forbidden, now can not use SCO channel transfer speech data, alternatively, adopt serial data channel transmitting audio data.Because SPP passage and SCO passage share RFCOMM (English name: radiofrequencycommunication, Chinese: radio communication), when therefore SCO passage is occupied, SPP still may be used for the data transmitting small data quantity.

S304, mobile phone, after sending incoming message to wireless headset, are received by serial data channel and are obtained and the speech data sent by gathering voice by wireless headset.

Exemplary, at mobile phone, APP (English name: application, Chinese: application program) can be installed, be received by APP and obtained and the speech data sent by gathering voice by wireless headset.

S305, mobile phone decompress to speech data.

Mobile phone adopts decompressing with the identical compressed format that wireless headset adopts described in step S302, decodes to speech data simultaneously, thus also original subscriber's real speech of speaking.Exemplary, at mobile phone, APP can be installed, be undertaken decompressing and decoding by APP.

S306, mobile phone carry out speech recognition to speech data, obtain the control command comprised in speech data.

The control command that speech recognition obtains comprising in speech data is carried out to the real speech after reduction, utilizes the computational resource of mobile phone to improve speech discrimination accuracy.Exemplary, at mobile phone, APP can be installed, carry out speech recognition by APP.

S307, mobile phone perform control command.

After obtaining the control command comprised in speech data, perform the operation of control command, complete the connection of phone or hang up.Exemplary, control command comprises: " hanging up ", " answering ", " rejection " etc.

The audio recognition method that embodiments of the invention provide, by wireless headset after the incoming message receiving mobile phone transmission, gathers voice and obtains speech data; Speech data is compressed; By serial data channel to mobile phone transmission voice data, speech data is used for mobile phone to carry out speech recognition and performs the control command comprised in speech data; Mobile phone, after sending incoming message to wireless headset, is received by serial data channel and is obtained and the speech data sent by gathering voice by wireless headset; Speech data is decompressed; Speech recognition is carried out to speech data, obtains the control command comprised in speech data.Achieve wireless headset will hang up, and the voice control command such as answer and be sent to mobile phone, by mobile phone, it is identified, make use of mobile phone powerful resource, improve the effect of speech recognition, solve the problem that wireless headset carries out speech recognition weak effect.

Embodiment 3:

The embodiment provides a kind of wireless headset, for performing the audio recognition method shown in Fig. 2 to Fig. 4, with reference to shown in Fig. 5, comprising:

Collecting unit 401, for after the incoming message receiving mobile phone transmission, gathers voice and obtains speech data.Voice control command such as hanging up, answer is comprised in speech data.Exemplary, collecting unit 401 can be radio reception microphone.

Optionally, collecting unit 401 also comprises:

First gathers subelement 4011, for gathering the first voice, exemplary, and the first collection subelement 4011 can be background noise microphone;

Second gathers subelement 4012, for gathering the second voice, exemplary, and the first collection subelement 4011 can be radio reception microphone.

Transmitting element 404, for by first passage to mobile phone transmission voice data, so that mobile phone carries out speech recognition to speech data and obtains the control command that comprises in speech data, wherein, first passage be wireless headset after receiving incoming message for transmitting the passage of packet.

Optionally, transmitting element 404, specifically for by serial data channel to mobile phone transmission voice data.

Optionally, the wireless headset that embodiments of the invention provide, also comprises:

Judging unit 402, for judging that the signal difference of the first voice and the second voice starts to gather voice when being greater than the first thresholding;

This judging unit 402, also for judging that the signal difference of the first voice and the second voice terminates when being less than the second thresholding to gather voice, and obtains speech data according to the first voice and the second voice.

Optionally, the wireless headset that embodiments of the invention provide, also comprises:

Compression unit 403, for compressing speech data before mobile phone transmission voice data.

The wireless headset that embodiments of the invention provide, by wireless headset after the incoming message receiving mobile phone transmission, gathers voice and obtains speech data; By first passage to mobile phone transmission voice data, speech data be used for mobile phone carries out speech recognition and performs the control command comprised in speech data, wherein, first passage be wireless headset after receiving incoming message for transmitting the passage of packet.Achieve wireless headset will hang up, and the voice control command such as answer and be sent to mobile phone, by mobile phone, it is identified, make use of mobile phone powerful resource, improve the effect of speech recognition, solve the problem that wireless headset carries out speech recognition weak effect.

Embodiment 4:

The embodiment provides a kind of mobile phone, for performing the audio recognition method shown in Fig. 2 to Fig. 4, with reference to shown in Fig. 6, comprising:

Receiving element 501, for mobile phone after sending incoming message to wireless headset, by first passage receive by wireless headset by collection voice obtain and the speech data sent, wherein, first passage be wireless headset after receiving incoming message for transmitting the passage of packet;

Recognition unit 503, for carrying out speech recognition to speech data, obtains the control command comprised in speech data.

Optionally, the mobile phone that embodiments of the invention provide, also comprises:

Decompression unit 502, for decompressing to speech data before carrying out speech recognition to speech data.

Performance element 504, for performing control command.

The mobile phone that embodiments of the invention provide, after sending incoming message to wireless headset, by first passage receive by wireless headset by collection voice obtain and the speech data sent, wherein, first passage be wireless headset after receiving incoming message for transmitting the passage of packet; Speech recognition is carried out to speech data, obtains the control command comprised in speech data.Achieve wireless headset will hang up, and the voice control command such as answer and be sent to mobile phone, by mobile phone, it is identified, make use of mobile phone powerful resource, improve the effect of speech recognition, solve the problem that wireless headset carries out speech recognition weak effect.

Should understand, in various embodiments of the present invention, the size of the sequence number of above-mentioned each process does not also mean that the priority of execution sequence, and the execution sequence of each process should be determined with its function and internal logic, and should not form any restriction to the implementation process of the embodiment of the present invention.

Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.

Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.

In several embodiments that the application provides, should be understood that disclosed system, equipment and method can realize by another way.Such as, apparatus embodiments described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of equipment or unit or communication connection can be electrical, machinery or other form.

The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.

The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.

Claims (10)

1. an audio recognition method, is characterized in that, comprising:
Wireless headset, after the incoming message receiving mobile phone transmission, gathers voice and obtains speech data;
Described speech data is sent to described mobile phone by first passage, so that described mobile phone carries out speech recognition to described speech data and obtains the control command that comprises in described speech data, wherein, described first passage be described wireless headset after receiving described incoming message for transmitting the passage of packet.
2. method according to claim 1, is characterized in that, described collection voice obtain speech data, comprising:
Gather the first voice and the second voice;
Judge that the signal difference of the first voice and the second voice starts to gather voice when being greater than the first thresholding;
Judge that the signal difference of the first voice and the second voice terminates when being less than the second thresholding to gather voice, and obtain described speech data according to described first voice and described second voice.
3. method according to claim 1, is characterized in that, describedly sends described speech data by first passage to mobile phone, comprising:
Described speech data is sent to described mobile phone by serial data channel.
4. method according to claim 1, is characterized in that, described send described speech data to mobile phone before, comprising:
Described speech data is compressed.
5. an audio recognition method, is characterized in that, comprising:
Mobile phone is after sending incoming message to wireless headset, received by first passage and obtained and the speech data sent by gathering voice by described wireless headset, wherein, described first passage be described wireless headset after receiving described incoming message for transmitting the passage of packet;
Speech recognition is carried out to described speech data, obtains the control command comprised in described speech data.
6. method according to claim 5, is characterized in that, described speech recognition is carried out to described speech data before, comprising:
Described speech data is decompressed.
7. a wireless headset, is characterized in that, comprising:
Collecting unit, for after the incoming message receiving mobile phone transmission, gathers voice and obtains speech data;
Transmitting element, for sending described speech data by first passage to mobile phone, so that described mobile phone carries out speech recognition to described speech data and obtains the control command that comprises in described speech data, wherein, described first passage be described wireless headset after receiving described incoming message for transmitting the passage of packet.
8. wireless headset according to claim 7, is characterized in that, described wireless headset also comprises:
First gathers subelement, for gathering the first voice;
Second gathers subelement, for gathering the second voice;
Judging unit, for judging that the signal difference of the first voice and the second voice starts to gather voice when being greater than the first thresholding;
Described judging unit, also for judging that the signal difference of the first voice and the second voice terminates when being less than the second thresholding to gather voice, and obtains described speech data according to described first voice and described second voice.
9. wireless headset according to claim 7, is characterized in that,
Described transmitting element, specifically for sending described speech data by serial data channel to described mobile phone.
10. a mobile phone, is characterized in that, comprising:
Receiving element, for mobile phone after sending incoming message to wireless headset, received by first passage and obtained and the speech data sent by gathering voice by described wireless headset, wherein, described first passage be described wireless headset after receiving described incoming message for transmitting the passage of packet;
Recognition unit, for carrying out speech recognition to described speech data, obtains the control command comprised in described speech data.
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