CN110177363A - Bluetooth data transfer method, apparatus, Bluetooth chip and storage medium - Google Patents
Bluetooth data transfer method, apparatus, Bluetooth chip and storage medium Download PDFInfo
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- CN110177363A CN110177363A CN201910449959.6A CN201910449959A CN110177363A CN 110177363 A CN110177363 A CN 110177363A CN 201910449959 A CN201910449959 A CN 201910449959A CN 110177363 A CN110177363 A CN 110177363A
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- 238000012546 transfer Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 83
- 230000006835 compression Effects 0.000 claims abstract description 57
- 238000007906 compression Methods 0.000 claims abstract description 57
- 238000004088 simulation Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 5
- 241001062009 Indigofera Species 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 abstract description 31
- 230000005236 sound signal Effects 0.000 abstract description 13
- 230000003993 interaction Effects 0.000 abstract description 9
- 230000006870 function Effects 0.000 description 22
- 238000005516 engineering process Methods 0.000 description 10
- 230000002457 bidirectional effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
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Abstract
The invention discloses a kind of Bluetooth data transfer method, apparatus, Bluetooth chip and storage mediums.Wherein, the method is applied to bluetooth equipment, and the bluetooth equipment includes Bluetooth chip, which comprises the connection of the first agreement and second protocol for establishing terminal device and Bluetooth chip connect；When determining that bluetooth equipment enters wake-up identification state, voice data to be identified is obtained, and compress to voice data to be identified according to the compression multiple negotiated in advance；It is connected based on the first agreement and compressed voice data to be identified is sent to terminal device；Wherein, voice data to be identified is used to indicate terminal device and obtains the voice data after identification；Voice data after the identification returned based on second protocol connection receiving terminal apparatus.Bluetooth transmitted in both directions rate can be substantially improved in this method, keep application of the bluetooth equipment in terms of interactive voice audio signal transmission more abundant, flexible, the user experience of blue tooth voice interaction aspect can be substantially improved.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of Bluetooth data transfer method, apparatus, Bluetooth chip and deposit
Storage media.
Background technique
Current Bluetooth protocol, uplink and downlink overall average data transfer bandwidth be 768kbps (wherein, kbps is also known as bit rate,
Refer to the transmission rate of digital signal), wherein downlink generally uses standard A2DP (Advanced Audio
Distribution Profile, the agreement of Bluetooth audio frequency mode) transmission, Mean Speed 384kbps；It is broadcast in downlink A2DP
While putting, uplink can only transmit data, transmission rate using BLE (Bluetooh Low Energy, bluetooth low energy consumption technologies)
Only 16kbps；While BLE carries out transmitting uplink data, A2DP module will reduce message transmission rate, to guarantee indigo plant
The stability of tooth communication.
The agreement of another uplink and downlink simultaneous transmission is HFP (Hands-free Profile, bluetooth handsfree application association
View), which can be used for the transmission of communicating data, the sound quality of audio is required it is relatively low, only support 16kbps and
8kbps。
Current bluetooth transmitted in both directions agreement is: (1) when uplink using BLE agreement transmission data,
Ascending voice transmission rate only has 16kbps, is not able to satisfy interactive voice requirement of real-time；Since uplink and downlink overall mean is according to biography
Defeated bandwidth is fixed, so will then influence downlink transmission rate when ascending voice transmission rate is promoted, lead to downlink height
While rate data transfer, up-high speed rate is not supported to transmit；(2) when using HFP protocol realization bluetooth transmitted in both directions, due to
HFP agreement only supports the transmission of communicating data, and upstream and downstream transmission rate only has 16kbps, so can not meet voice
Interactive requirement of real-time, and will affect downstream content play quality.
Summary of the invention
The purpose of the present invention is intended to solve above-mentioned one of technical problem at least to a certain extent.
For this purpose, the first purpose of this invention is to propose a kind of Bluetooth data transfer method.This method can be mentioned substantially
Bluetooth transmitted in both directions rate is risen, keeps application of the bluetooth equipment in terms of interactive voice audio signal transmission more abundant, flexibly, it can be with
The user experience of blue tooth voice interaction aspect is substantially improved.
Second object of the present invention is to propose a kind of Bluetooth data transmission device.
Third object of the present invention is to propose a kind of Bluetooth chip.
Fourth object of the present invention is to propose a kind of computer readable storage medium.
In order to achieve the above objectives, the Bluetooth data transfer method that first aspect present invention embodiment proposes, the method are answered
For bluetooth equipment, the bluetooth equipment includes Bluetooth chip, which comprises establishes terminal device and the Bluetooth chip
The first agreement connection connected with second protocol；When determining that the bluetooth equipment enters wake-up identification state, obtain to be identified
Voice data, and the voice data to be identified is compressed according to the compression multiple negotiated in advance；Based on first association
Compressed voice data to be identified is sent to the terminal device by view connection；Wherein, the voice data to be identified is used for
Indicate that the terminal device obtains the voice data after identification；The terminal device is received based on second protocol connection to return
The identification after voice data.
The Bluetooth data transfer method of the embodiment of the present invention can establish terminal device and Bluetooth chip by bluetooth equipment
The connection of first agreement is connected with second protocol, and when determining that bluetooth equipment enters wake-up identification state, obtains voice to be identified
Data, and voice data to be identified is compressed according to the compression multiple negotiated in advance, and will pressure based on the connection of the first agreement
Voice data to be identified after contracting is sent to terminal device, and speech recognition technology can be used to the voice number to be identified in terminal device
According to being identified with the voice data after being identified, and the voice data after the identification is returned based on second protocol connection
To bluetooth equipment, so that bluetooth equipment can obtain the voice data after the identification that terminal device returns, thus real
Speech recognition and interactive function between existing bluetooth equipment and terminal device.Connected by the connection of the first agreement with second protocol
The transmitted in both directions of blue tooth voice data between bluetooth equipment and terminal device is realized, since the connection of the first agreement can support bluetooth
The transmission of interactive voice audio signal between equipment and other equipment, also, voice data transmission is being carried out with other equipment
When, transmission data Shi Huiyu terminal device is connected by the first agreement and reciprocally negotiates compression multiple, number is compressed by dynamic negotiation
According to mode realize the compression to voice audio data, can guarantee largest data transfer amount under the present circumstances,
So as to greatly improve blue tooth voice data double-way transmission rate, that is, realize the bidirectional high speed transmission function of blue tooth voice data
Can, keep application of the bluetooth in terms of interactive voice audio signal transmission more abundant, flexible, blue tooth voice interaction side can be improved
Audio transmission instruction, phonetic recognization rate and the interactive voice real-time in face.
According to one embodiment of present invention, the Bluetooth chip includes the first protocol module and second protocol module；Its
In, the terminal device of establishing is connect and second protocol connection with the first agreement of the Bluetooth chip, comprising: passes through described the
One protocol module establishes the terminal device and the first agreement of Bluetooth chip connects；Institute is established by the second protocol module
The second protocol for stating terminal device and Bluetooth chip connects.
According to one embodiment of present invention, first protocol module is proprietary protocol RMP protocol module；Second protocol
Module is standard A2DP protocol module.
According to one embodiment of present invention, the serial cable in the Bluetooth chip is arranged in first protocol module
Between Application layers of RFCOMM layers of simulation protocol and application.
According to one embodiment of present invention, it is described according to the compression multiple negotiated in advance to the voice data to be identified
It is compressed, comprising: detect the quality of the local environment bluetooth channel of the bluetooth equipment and the signal of the Bluetooth chip；Root
According to the quality of the local environment bluetooth channel detected and the signal of the Bluetooth chip, negotiate compression times with the terminal device
Number；The voice data to be identified is compressed according to the compression multiple of negotiation.
In order to achieve the above objectives, the Bluetooth data transmission device that second aspect of the present invention embodiment proposes, comprising: connection is built
Formwork erection block, for establishing, terminal device is connect with the first agreement of the Bluetooth chip and second protocol connects；At voice data
Module is managed, for obtaining voice data to be identified, and according to preparatory when determining that the bluetooth equipment enters wake-up identification state
The compression multiple of negotiation compresses the voice data to be identified；Voice data uploading module, for being based on described first
Compressed voice data to be identified is sent to the terminal device by agreement connection；Wherein, the voice data to be identified is used
Voice data after indicating that the terminal device obtains identification；Data reception module is identified, for being based on the second protocol
Connection receives the voice data after the identification that the terminal device returns.
The Bluetooth data transmission device of the embodiment of the present invention can establish terminal device and bluetooth core by connection establishment module
The first agreement connection of piece is connected with second protocol, and language data process module is determining that bluetooth equipment enters wake-up identification state
When, voice data to be identified is obtained, and press voice data to be identified according to the compression multiple (such as 4 times) negotiated in advance
Contracting, voice data uploading module are based on the connection of the first agreement and compressed voice data to be identified are sent to terminal device, eventually
End equipment can be used speech recognition technology and be identified to the voice data to be identified with the voice data after being identified, and base
It is connected in the second protocol and the voice data after the identification is returned into bluetooth equipment, so that identification data reception
Block can obtain the voice data after the identification of terminal device return, to realize the voice between bluetooth equipment and terminal device
Identification and interactive function.It is realized by the connection of the first agreement and second protocol connection blue between bluetooth equipment and terminal device
The transmitted in both directions of tooth voice data, since the connection of the first agreement can support the interactive voice sound between bluetooth equipment and other equipment
The transmission of frequency signal, also, when carrying out voice data transmission with other equipment, meeting when connecting transmission data by the first agreement
Compression multiple is reciprocally negotiated with terminal device, the pressure to voice audio data is realized by way of dynamic negotiation compressed data
Contracting, can guarantee largest data transfer amount under the present circumstances, double so as to greatly improve blue tooth voice data
To transmission rate, that is, the bidirectional high speed transfer function of blue tooth voice data is realized, makes bluetooth in interactive voice audio signal transmission
The application of aspect is more abundant, flexibly, can be improved the audio transmission instruction of blue tooth voice interaction aspect, phonetic recognization rate and
Interactive voice real-time.
According to one embodiment of present invention, the Bluetooth chip includes the first protocol module and second protocol module；Its
In, the connection establishment module is specifically used for: establishing the terminal device and Bluetooth chip by first protocol module
The connection of first agreement；It is connected by the second protocol that the second protocol module establishes the terminal device and Bluetooth chip.
According to one embodiment of present invention, first protocol module is proprietary protocol RMP protocol module；Second protocol
Module is standard A2DP protocol module.
According to one embodiment of present invention, the serial cable in the Bluetooth chip is arranged in first protocol module
Between Application layers of RFCOMM layers of simulation protocol and application.
According to one embodiment of present invention, the language data process module is specifically used for: detecting the bluetooth equipment
Local environment bluetooth channel quality and the Bluetooth chip signal；According to the matter of the local environment bluetooth channel detected
The signal of amount and the Bluetooth chip negotiates compression multiple with the terminal device；According to negotiation compression multiple to it is described to
Identification voice data is compressed.
In order to achieve the above objectives, the Bluetooth chip that third aspect present invention embodiment proposes, comprising: the first protocol module,
It is connect for establishing terminal device with the first agreement of the Bluetooth chip；Second protocol module is set for establishing the terminal
The standby second protocol with the Bluetooth chip is connect；Voice data to be identified obtains module, for determining first agreement
When module enters wake-up identification state, voice data to be identified is obtained；First protocol module is also used to negotiate according to preparatory
Compression multiple the voice data to be identified is compressed, and based on first agreement connection will be compressed to be identified
Voice data is sent to the terminal device；Wherein, the voice data to be identified is used to indicate the terminal device and obtains and knows
Voice data after not；The second protocol module is also used to receive the terminal device based on second protocol connection and return
Voice data after the identification returned.
The Bluetooth chip of the embodiment of the present invention can establish the first of terminal device and Bluetooth chip by the first protocol module
Agreement connection, second protocol module establishes terminal device and the second protocol of Bluetooth chip connects, and passes through voice data to be identified
Module is obtained when determining that the first protocol module enters wake-up identification state, obtains voice data to be identified, and pass through the first association
View module compresses voice data to be identified according to the compression multiple negotiated in advance, and will compression based on the connection of the first agreement
Voice data to be identified afterwards is sent to terminal device, and speech recognition technology can be used to the voice data to be identified in terminal device
It is identified with the voice data after being identified, and is connected based on the second protocol and return to the voice data after the identification
Bluetooth equipment, so that second protocol module obtains the voice data after the identification that terminal device returns, to realize
Speech recognition and interactive function between bluetooth equipment and terminal device.Connected by the first agreement connect with second protocol come
The transmitted in both directions for realizing blue tooth voice data between Bluetooth chip and terminal device, since the connection of the first agreement can support bluetooth core
The transmission of interactive voice audio signal between piece and other equipment, also, when carrying out voice data transmission with other equipment,
Transmission data Shi Huiyu terminal device is connected by the first agreement and reciprocally negotiates compression multiple, passes through dynamic negotiation compressed data
Mode realizes the compression to voice audio data, can guarantee largest data transfer amount under the present circumstances, thus
Blue tooth voice data double-way transmission rate can be greatly improved, that is, realizes the bidirectional high speed transfer function of blue tooth voice data, makes
Application of the bluetooth in terms of interactive voice audio signal transmission is more abundant, flexible, and blue tooth voice interaction aspect can be improved
Audio transmission instruction, phonetic recognization rate and interactive voice real-time.
According to one embodiment of present invention, first protocol module is proprietary protocol RMP protocol module；Second protocol
Module is standard A2DP protocol module.
According to one embodiment of present invention, the serial cable in the Bluetooth chip is arranged in first protocol module
Between Application layers of RFCOMM layers of simulation protocol and application.
According to one embodiment of present invention, first protocol module is also used to determining the second protocol module
When voice data after receiving the identification that the terminal device returns, into identification responsive state, and notification audio is defeated
Unit exports the voice data after the identification out.
According to one embodiment of present invention, first protocol module is specifically used for: detecting the locating ring of bluetooth equipment
The signal of the quality of border bluetooth channel and the Bluetooth chip, and according to the quality of the local environment bluetooth channel detected and institute
The signal for stating Bluetooth chip negotiates compression multiple with the terminal device, according to the compression multiple of negotiation to the language to be identified
Sound data are compressed.
In order to achieve the above objectives, the computer readable storage medium that fourth aspect present invention embodiment proposes, stores thereon
There is computer program, bluetooth number described in first aspect present invention embodiment is realized when the computer program is executed by processor
According to transmission method.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow chart of Bluetooth data transfer method according to an embodiment of the invention；
Fig. 2 is the design diagram of bluetooth protocol repertory in the Bluetooth chip of the embodiment of the present invention；
Fig. 3 is the exemplary diagram of the particular state switching of the RMP protocol module of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of Bluetooth data transmission device according to an embodiment of the invention；
Fig. 5 is the structural schematic diagram of Bluetooth chip according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings Bluetooth data transfer method, apparatus, Bluetooth chip and the computer of the embodiment of the present invention are described
Readable storage medium storing program for executing.
Fig. 1 is the flow chart of Bluetooth data transfer method according to an embodiment of the invention.It should be noted that this hair
The Bluetooth data transfer method of bright embodiment can be applied on bluetooth equipment, which may include but be not limited to bluetooth core
Piece.As shown in Figure 1, the Bluetooth data transfer method may include:
S110, the connection of the first agreement and second protocol for establishing terminal device and Bluetooth chip connect.
Wherein, in one embodiment of the invention, which may include but be not limited to the first protocol module and
Two protocol modules.In an embodiment of the present invention, terminal device and indigo plant can be established by the first protocol module in Bluetooth chip
First agreement of tooth chip connects, and is connected by the second protocol that the second protocol module establishes the terminal device and Bluetooth chip
It connects.As an example, which is proprietary protocol RMP (Remote Mic Profile, remote microphone configuration
File) protocol module；Second protocol module is standard A2DP protocol module.
That is, bluetooth equipment can establish the connection of the first agreement by the first protocol module in the Bluetooth chip
(such as proprietary protocol RMP agreement) establishes second protocol connection (such as standard A2DP agreement) by second protocol module, thus base
The bluetooth bidirectional data transfers with terminal device are realized in first agreement connection and second protocol connection.Wherein, in the present invention
Embodiment in, which can be connected based on first agreement and be realized in the bluetooth bidirectional data transfers with terminal device
Transmitting uplink data；The bluetooth equipment can connect to realize and pass with the bluetooth bi-directional data of terminal device based on the second protocol
Downlink data transmission in defeated.
It should be noted that in one embodiment of the invention, which may include but be not limited to mobile terminal
(hardware device that such as mobile phone, tablet computer, personal digital assistant have various operating systems), PC machine.The bluetooth equipment can
Including but not limited to bluetooth headset, Baffle Box of Bluetooth and other equipment based on Bluetooth protocol realization voice data transmission etc..It lifts
For example, it is assumed that terminal device is mobile phone, the two-way number of bluetooth centered on bluetooth equipment end, between bluetooth equipment end and mobile phone
Transmitting uplink data and downlink data transmission can be divided into according to transmission, wherein transmitting uplink data part is by proprietary protocol RMP agreement
It completes, downlink data transmission part is completed by standard A2DP agreement.
It should also be noted that, in one embodiment of the invention, which may be provided at Bluetooth chip
In RFCOMM layers of serial cable simulation protocol and application Application layers between.That is, first protocol module mentions
The first agreement supplied may operate at RFCOMM layers of the serial cable simulation protocol in Bluetooth chip and using Application layer
Between.For example, as shown in Fig. 2, the bluetooth protocol repertory of the Bluetooth chip may include baseband protocol (BaseBand), LMP Link Manager Protocol
(LMP), logical link control and adaptation protocol (L2CAP), serial cable simulation protocol (RFCOMM), proprietary protocol RMP agreement
With application layer protocol (Application), wherein proprietary protocol RMP agreement operates in the serial cable emulation association of Bluetooth chip
Between Application layers of RFCOMM layers of view and application.
S120 obtains voice data to be identified, and according to preparatory association when determining that bluetooth equipment enters wake-up identification state
The compression multiple of quotient compresses voice data to be identified.
It should be noted that in an embodiment of the present invention, passing through the connection of the first agreement (i.e. RMP agreement connects) transmission
When voice data, bluetooth equipment can reciprocally negotiate compression multiple with terminal device, wherein the setting of compression multiple and bluetooth equipment
The quality of local environment bluetooth channel and the signal of Bluetooth chip have relationship, for example, the settable low power compression of clean environment
(such as 2 times, 4 times), the settable high power compression (such as 8 times, 16 times) of noisy environment.Under normal circumstances, if only bluetooth
Work is it is believed that environment is clean.If bluetooth and WiFi work together, and WiFi handling capacity greatly if both can mutually be concerned with
It disturbs, at this time it is believed that environment is noisy.Specific noisy or clean has relationship with specific environment, needs to judge and debugging makes
With environment, specific compression multiple is set.It is understood that compression multiple more in a low voice sound discrimination performance will be more preferable.
For example, the A2DP agreement between bluetooth equipment and terminal device connects, the connection of RMP agreement and network link are built
When standing successfully, it may be determined that the communication between bluetooth equipment and terminal device is ready to complete, and bluetooth equipment idle waiting wakes up.When true
Determine bluetooth equipment enter wake up identification state when, voice data to be identified can be obtained, at this time can detect bluetooth equipment locating ring
The quality of border bluetooth channel and the signal of Bluetooth chip, and according to the quality and bluetooth core of the local environment bluetooth channel detected
The signal of piece negotiates compression multiple with terminal device, and compresses the voice data to be identified according to the compression multiple of negotiation.
Wherein, in one embodiment of the invention, it can determine whether bluetooth equipment enters in the following manner to wake up
Identification state: can determine whether the microphone on bluetooth equipment collects the sound of people in ambient enviroment, if so, controllable indigo plant
Tooth equipment enters wake-up identification state, can obtain the collected audio data of microphone at this time, and using the audio data as to
It identifies voice data, and the voice data to be identified is compressed according to the compression multiple negotiated in advance.
In another embodiment of the present invention, it can determine whether bluetooth equipment enters in the following manner and wake up identification
State: can receive the collected audio of microphone on bluetooth equipment, and judge in the audio with the presence or absence of preset wake-up word
Audio (such as " wake-up " audio, " hello " audio, " opening " audio or " starting " audio etc.), if it is not, then controlling bluetooth equipment
Continue idle waiting to wake up；Otherwise control bluetooth equipment enters wake-up identification state, at this point, can be by the collected audio of microphone
Data compress the voice data to be identified as voice data to be identified, and according to the compression multiple negotiated in advance.
S130 is connected based on the first agreement compressed voice data to be identified being sent to terminal device.Wherein, wait know
Other voice data is used to indicate terminal device and obtains the voice data after identification.
That is, can be connected based on the first agreement will be after the compression after being compressed voice data to be identified
Voice data to be identified be sent to terminal device, to realize the transmission of the upstream data of bluetooth equipment.Wherein, the language to be identified
Sound data obtain the voice data after identification to instruction terminal equipment.
S140, the voice data after the identification returned based on second protocol connection receiving terminal apparatus.
That is, bluetooth equipment, which is based on the connection of the first agreement, is sent to terminal for the compressed voice data to be identified
After equipment, terminal device can be used speech recognition technology and be identified to the voice data to be identified with the language after being identified
Sound data, and connected based on the second protocol and the voice data after the identification is returned into bluetooth equipment, so that blue
Tooth equipment can obtain the voice data after the identification of terminal device return, to realize between bluetooth equipment and terminal device
Speech recognition and interactive function.
It should be noted that in an embodiment of the present invention, RMP protocol module can be divided into two submodules, i.e. instruction passes
Defeated submodule and voice link submodule.Wherein, instruction transmission submodule can be used in facility information interaction and voice wake-up
Disconnected processing；Voice link submodule can be used for stable data transmission in network telephony, and in long-time without disconnecting when data transmission
The link of RFCOMM (bluetooth virtual serial port), SPP (Serial Port Profile, serial port profile), RMP agreement
Module enters suspend mode.Wherein, which can have various states, for example, the RMP protocol module can have idle shape
State waits wake-up identification state, wakes up identification state and busy condition, and the particular state switching of the RMP protocol module can be such as Fig. 3 institute
Show, wherein idle state can indicate init state, using initialization, to establish connection；Wait wake-up identification state that can indicate
Connection has been established in bluetooth RMP protocol module, A2DP protocol module and network link, and preparation is completed, bluetooth equipment free time etc.
Wait wake up；Waking up identification state can indicate to start to identify when receiving wake events, such as receive voice data to be identified, and to this
Voice data to be identified is decoded, and response identifies and enter busy condition, if not receiving the response of terminal device for a long time,
Then it is believed that link has disconnected, idle state can be entered；Busy condition can indicate identification responsive state, at this time the audio of bluetooth equipment
Output unit is playing the sound after response, reenters waiting wake-up states after end of identification.
In conclusion the RMP agreement of the embodiment of the present invention can the difference of existing BLE agreement and HFP agreement be: RMP
Agreement can support the transmission of the interactive voice audio signal between bluetooth equipment and other equipment, also, with other equipment into
When row voice data transmission, transmission data Shi Huiyu terminal device is connected by the first agreement and reciprocally negotiates compression multiple, is passed through
The mode of dynamic negotiation compressed data realizes the compression to voice audio data, can guarantee under the present circumstances most
Big data transmission quantity so as to improve the ascending voice transmission rate of bluetooth equipment, while can also guarantee under bluetooth equipment
Row data transmission rate, to achieve the purpose that bluetooth bidirectional high speed transmits.
The Bluetooth data transfer method of the embodiment of the present invention can establish terminal device and Bluetooth chip by bluetooth equipment
The connection of first agreement is connected with second protocol, and when determining that bluetooth equipment enters wake-up identification state, obtains voice to be identified
Data, and voice data to be identified is compressed according to the compression multiple negotiated in advance, and will pressure based on the connection of the first agreement
Voice data to be identified after contracting is sent to terminal device, and speech recognition technology can be used to the voice number to be identified in terminal device
According to being identified with the voice data after being identified, and the voice data after the identification is returned based on second protocol connection
To bluetooth equipment, so that bluetooth equipment can obtain the voice data after the identification that terminal device returns, thus real
Speech recognition and interactive function between existing bluetooth equipment and terminal device.Connected by the connection of the first agreement with second protocol
The transmitted in both directions of blue tooth voice data between bluetooth equipment and terminal device is realized, since the connection of the first agreement can support bluetooth
The transmission of interactive voice audio signal between equipment and other equipment, also, voice data transmission is being carried out with other equipment
When, transmission data Shi Huiyu terminal device is connected by the first agreement and reciprocally negotiates compression multiple, number is compressed by dynamic negotiation
According to mode realize the compression to voice audio data, can guarantee largest data transfer amount under the present circumstances,
So as to greatly improve blue tooth voice data double-way transmission rate, that is, realize the bidirectional high speed transmission function of blue tooth voice data
Can, keep application of the bluetooth in terms of interactive voice audio signal transmission more abundant, flexible, blue tooth voice interaction side can be improved
Audio transmission instruction, phonetic recognization rate and the interactive voice real-time in face.
Corresponding with the Bluetooth data transfer method that above-mentioned several embodiments provide, a kind of embodiment of the invention also provides
A kind of Bluetooth data transmission device, since Bluetooth data transmission device provided in an embodiment of the present invention and above-mentioned several embodiments mention
The Bluetooth data transfer method of confession is corresponding, therefore is also applied for this implementation in the embodiment of aforementioned Bluetooth data transmission method
The Bluetooth data transmission device that example provides, is not described in detail in the present embodiment.Fig. 4 is according to an embodiment of the invention
The structural schematic diagram of Bluetooth data transmission device.As shown in figure 4, the Bluetooth data transmission device 400 may include: that connection is established
Module 410, language data process module 420, voice data uploading module 430 and identification data reception module 440.
Specifically, connection establishment module 410 is used to establish the first agreement connection and second of terminal device and Bluetooth chip
Agreement connection.It should be noted that in an embodiment of the present invention, Bluetooth chip includes the first protocol module and second protocol mould
Block；Wherein, connection establishment module 410 is specifically used for: establishing the first of terminal device and Bluetooth chip by the first protocol module
Agreement connection；It is connected by the second protocol that second protocol module establishes terminal device and Bluetooth chip.
Wherein, in an embodiment of the present invention, the first protocol module is proprietary protocol RMP protocol module；Second protocol mould
Block is standard A2DP protocol module.As an example, first protocol module is arranged in serial in the Bluetooth chip
Between Application layers of RFCOMM layers of cables simulation agreement and application.
Language data process module 420 is used to obtain language to be identified when determining that bluetooth equipment enters wake-up identification state
Sound data, and voice data to be identified is compressed according to the compression multiple negotiated in advance.As an example, voice data
Processing module 420 detects the quality of the local environment bluetooth channel of the bluetooth equipment and the signal of the Bluetooth chip, and root
According to the quality of the local environment bluetooth channel detected and the signal of the Bluetooth chip, negotiate compression times with the terminal device
Number, compresses the voice data to be identified according to the compression multiple of negotiation.
Voice data uploading module 430 is used to be sent to compressed voice data to be identified based on the connection of the first agreement
Terminal device.Wherein, which can be used to instruction terminal equipment and obtains the voice data after identification.
Voice after identifying the identification that data reception module 440 is used to return based on second protocol connection receiving terminal apparatus
Data.
The Bluetooth data transmission device of the embodiment of the present invention can establish terminal device and bluetooth core by connection establishment module
The first agreement connection of piece is connected with second protocol, and language data process module is determining that bluetooth equipment enters wake-up identification state
When, voice data to be identified is obtained, and press voice data to be identified according to the compression multiple (such as 4 times) negotiated in advance
Contracting, voice data uploading module are based on the connection of the first agreement and compressed voice data to be identified are sent to terminal device, eventually
End equipment can be used speech recognition technology and be identified to the voice data to be identified with the voice data after being identified, and base
It is connected in the second protocol and the voice data after the identification is returned into bluetooth equipment, so that identification data reception
Block can obtain the voice data after the identification of terminal device return, to realize the voice between bluetooth equipment and terminal device
Identification and interactive function.It is realized by the connection of the first agreement and second protocol connection blue between bluetooth equipment and terminal device
The transmitted in both directions of tooth voice data, since the connection of the first agreement can support the interactive voice sound between bluetooth equipment and other equipment
The transmission of frequency signal, also, when carrying out voice data transmission with other equipment, meeting when connecting transmission data by the first agreement
Compression multiple is reciprocally negotiated with terminal device, the pressure to voice audio data is realized by way of dynamic negotiation compressed data
Contracting, can guarantee largest data transfer amount under the present circumstances, double so as to greatly improve blue tooth voice data
To transmission rate, that is, the bidirectional high speed transfer function of blue tooth voice data is realized, makes bluetooth in interactive voice audio signal transmission
The application of aspect is more abundant, flexibly, can be improved the audio transmission instruction of blue tooth voice interaction aspect, phonetic recognization rate and
Interactive voice real-time.
In order to realize above-described embodiment, the invention also provides a kind of Bluetooth chips.
Corresponding with the Bluetooth data transfer method that above-mentioned several embodiments provide, a kind of embodiment of the invention also provides
A kind of Bluetooth chip, due to the Bluetooth data transfer of Bluetooth chip provided in an embodiment of the present invention and above-mentioned several embodiment offers
Method is corresponding, therefore is also applied for bluetooth core provided in this embodiment in the embodiment of aforementioned Bluetooth data transmission method
Piece is not described in detail in the present embodiment.Fig. 5 is the structural schematic diagram of Bluetooth chip according to an embodiment of the invention.
As shown in figure 5, the Bluetooth chip 500 may include: the first protocol module 510, second protocol module 520 and voice number to be identified
According to acquisition module 530.
Specifically, the first protocol module 510 is used to establish terminal device and the first agreement of Bluetooth chip connects.Wherein,
In an embodiment of the present invention, the first protocol module 510 may be provided at the serial cable simulation protocol in Bluetooth chip 500
Between RFCOMM layers and Application layers of application.
Second protocol module 520 is used to establish terminal device and the second protocol of Bluetooth chip connects.
Voice data to be identified obtains module 530 and is used for when determining that the first protocol module 510 enters wake-up identification state,
Obtain voice data to be identified.
First protocol module 510 is also used to compress voice data to be identified according to the compression multiple negotiated in advance,
And it is connected based on the first agreement and compressed voice data to be identified is sent to terminal device；Wherein, voice data to be identified
It is used to indicate terminal device and obtains the voice data after identification.As an example, the first protocol module 510 detects bluetooth equipment
Local environment bluetooth channel quality and the Bluetooth chip signal, and according to the local environment bluetooth channel detected
The signal of quality and the Bluetooth chip negotiates compression multiple with the terminal device, according to the compression multiple of negotiation to described
Voice data to be identified is compressed.
Second protocol module 520 is also used to connect the voice number after the identification that receiving terminal apparatus returns based on second protocol
According to.
In one embodiment of the invention, the first protocol module 510 is also used to determining the reception of second protocol module 520
When voice data after the identification returned to terminal device, into identification responsive state, and notification audio output unit is defeated
Voice data after the identification out.That is, second protocol module 520 receives terminal and sets based on second protocol
When voice data after the standby identification returned, it can notify the first protocol module 510, know in this way, the first protocol module 510 can enter
Other responsive state, and bluetooth equipment sound intermediate frequency output unit is notified to export the voice data after the identification, to realize bluetooth
Speech recognition and interactive function between equipment and terminal device.
The Bluetooth chip of the embodiment of the present invention can establish the first of terminal device and Bluetooth chip by the first protocol module
Agreement connection, second protocol module establishes terminal device and the second protocol of Bluetooth chip connects, and passes through voice data to be identified
Module is obtained when determining that the first protocol module enters wake-up identification state, obtains voice data to be identified, and pass through the first association
View module compresses voice data to be identified according to the compression multiple negotiated in advance, and will compression based on the connection of the first agreement
Voice data to be identified afterwards is sent to terminal device, and speech recognition technology can be used to the voice data to be identified in terminal device
It is identified with the voice data after being identified, and is connected based on the second protocol and return to the voice data after the identification
Bluetooth equipment, so that second protocol module obtains the voice data after the identification that terminal device returns, to realize
Speech recognition and interactive function between bluetooth equipment and terminal device.Connected by the first agreement connect with second protocol come
The transmitted in both directions for realizing blue tooth voice data between Bluetooth chip and terminal device, since the connection of the first agreement can support bluetooth core
The transmission of interactive voice audio signal between piece and other equipment, also, when carrying out voice data transmission with other equipment,
Transmission data Shi Huiyu terminal device is connected by the first agreement and reciprocally negotiates compression multiple, passes through dynamic negotiation compressed data
Mode realizes the compression to voice audio data, can guarantee largest data transfer amount under the present circumstances, thus
Blue tooth voice data double-way transmission rate can be greatly improved, that is, realizes the bidirectional high speed transfer function of blue tooth voice data, makes
Application of the bluetooth in terms of interactive voice audio signal transmission is more abundant, flexible, and blue tooth voice interaction aspect can be improved
Audio transmission instruction, phonetic recognization rate and interactive voice real-time.
In order to realize above-described embodiment, the invention also provides a kind of computer readable storage mediums, are stored thereon with meter
Calculation machine program realizes blue-teeth data described in any of the above-described a embodiment of the present invention when computer program is executed by processor
Transmission method.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as to limit of the invention
System, those skilled in the art can be changed above-described embodiment, modify, replace and become within the scope of the invention
Type.
Claims (12)
1. a kind of Bluetooth data transfer method, the method is applied to bluetooth equipment, and the bluetooth equipment includes Bluetooth chip,
It is characterized in that, the described method comprises the following steps:
Establish terminal device connect with the first agreement of the Bluetooth chip and second protocol connection；
Determine the bluetooth equipment enter wake up identification state when, obtain voice data to be identified, and according to negotiating in advance
Compression multiple compresses the voice data to be identified；
It is connected based on first agreement and compressed voice data to be identified is sent to the terminal device；Wherein, described
Voice data to be identified is used to indicate the terminal device and obtains the voice data after identification；
The voice data after the identification that the terminal device returns is received based on second protocol connection.
2. the method according to claim 1, wherein the Bluetooth chip includes the first protocol module and the second association
Discuss module；Wherein, it is described establish terminal device connect with the first agreement of the Bluetooth chip and second protocol connection, comprising:
It is connected by the first agreement that first protocol module establishes the terminal device and Bluetooth chip；
It is connected by the second protocol that the second protocol module establishes the terminal device and Bluetooth chip.
3. method according to claim 1 or 2, which is characterized in that first protocol module is proprietary protocol RMP agreement
Module；Second protocol module is standard A2DP protocol module.
4. according to the method described in claim 2, it is characterized in that, first protocol module is arranged in the Bluetooth chip
RFCOMM layers of serial cable simulation protocol and application Application layers between.
5. method according to claim 1 to 4, which is characterized in that described according to the compression negotiated in advance times
It is several that the voice data to be identified is compressed, comprising:
Detect the quality of the local environment bluetooth channel of the bluetooth equipment and the signal of the Bluetooth chip；
According to the signal of the quality of the local environment bluetooth channel detected and the Bluetooth chip, negotiate with the terminal device
Compression multiple；
The voice data to be identified is compressed according to the compression multiple of negotiation.
6. a kind of Bluetooth data transmission device characterized by comprising
Connection establishment module, for establishing, terminal device is connect with the first agreement of the Bluetooth chip and second protocol connects；
Language data process module, for obtaining voice to be identified when determining that the bluetooth equipment enters wake-up identification state
Data, and the voice data to be identified is compressed according to the compression multiple negotiated in advance；
Compressed voice data to be identified is sent to institute for connecting based on first agreement by voice data uploading module
State terminal device；Wherein, the voice data to be identified is used to indicate the terminal device and obtains the voice data after identification；
Data reception module is identified, after receiving the identification that the terminal device returns based on second protocol connection
Voice data.
7. a kind of Bluetooth chip characterized by comprising
First protocol module is connect for establishing terminal device with the first agreement of the Bluetooth chip；
Second protocol module is connect for establishing the terminal device with the second protocol of the Bluetooth chip；
Voice data to be identified obtains module, for obtaining when determining that first protocol module enters wake-up identification state
Voice data to be identified；
First protocol module is also used to press the voice data to be identified according to the compression multiple negotiated in advance
Contracting, and connected based on first agreement and compressed voice data to be identified is sent to the terminal device；Wherein, described
Voice data to be identified is used to indicate the terminal device and obtains the voice data after identification；
The second protocol module is also used to connect the identification for receiving the terminal device and returning based on the second protocol
Voice data afterwards.
8. Bluetooth chip according to claim 7, which is characterized in that first protocol module is proprietary protocol RMP association
Discuss module；Second protocol module is standard A2DP protocol module.
9. Bluetooth chip according to claim 7 or 8, which is characterized in that first protocol module is arranged in the indigo plant
Between Application layers of RFCOMM layers of serial cable simulation protocol in tooth chip and application.
10. Bluetooth chip according to claim 7, which is characterized in that first protocol module is also used to determining
When stating the voice data after second protocol module receives the identification that the terminal device returns, shape is responded into identification
State, and notification audio output unit exports the voice data after the identification.
11. Bluetooth chip according to any one of claims 7 to 10, which is characterized in that the first protocol module tool
Body is used for: detecting the quality of the local environment bluetooth channel of bluetooth equipment and the signal of the Bluetooth chip, and according to detecting
Local environment bluetooth channel quality and the Bluetooth chip signal, with the terminal device negotiate compression multiple, according to
The compression multiple of negotiation compresses the voice data to be identified.
12. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The Bluetooth data transfer method as described in any one of claims 1 to 5 is realized when being executed by processor.
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