CN103916725A - Bluetooth headset - Google Patents
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- CN103916725A CN103916725A CN201410119719.7A CN201410119719A CN103916725A CN 103916725 A CN103916725 A CN 103916725A CN 201410119719 A CN201410119719 A CN 201410119719A CN 103916725 A CN103916725 A CN 103916725A
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Abstract
The invention relates to a bluetooth headset which comprises a headset outer shell and a circuit board arranged in the headset outer shell. A central processing unit and a voiceprint recognition device are arranged on the circuit board. The central processing unit is arranged to detect whether a verification and recognition instruction is received or not and judge whether encryption processing is conducted on voice according to a voiceprint recognition result, wherein if the verification and recognition instruction is received, it is judged that the voice verification and recognition processing is conducted, and if the verification and recognition instruction is not received, it is judged that voice encryption processing is not conducted. The voiceprint recognition device is used for conducting voiceprint verification and recognition on collected voice signals when the central processing unit judges that the voice verification and recognition processing is conducted, and feeding back a voiceprint recognition result to the central processing unit, wherein if voiceprint recognition is successful, the central processing unit judges that voice encryption processing is conducted, and if voiceprint recognition fails, the central processing unit judges that voice recognition processing is not conducted. Compared with the prior art, the bluetooth headset has the advantages of being high in communication safety and the like.
Description
Technical field
The present invention relates to a kind of Headphone structure, especially relate to a kind of bluetooth earphone.
Background technology
Bluetooth earphone is as the one of Bluetooth Communication Technology, employing be the transmission means of radio communication, this just likely causes user data to be intercepted and captured by other people in transmission.The safety measure that the hopping of Bluetooth system provides at present focuses on to solve and comes from the caused transmission interference of other bluetooth equipment of internal system; but in the time of wirelessly transmitting data; stealing data person can shield like a cork own and not allow user find; so it is far from being enough relying on merely the protection mechanism of frequency hopping, need further technical measures to guarantee the confidentiality of user data.
In addition; the Bluetooth communication encipherment protection technology using is at present used in addition digital certificate to produce session key voice signal is encrypted to protection; but be subject to the restriction of digital certificate technique; in practical operation; or the key speed that can produce generation is slow; the key generating is not easy to memory, and the problem that key may be stolen, and this user to coded communication has caused inconvenience.
In addition, session key is usually used in network communication process, call-information to client is encrypted, mostly be at present " one-time pad ", be that general session key produces in the time of each session temporarily, after a conversation end, by " destruction ", once session key is intercepted and captured in a conversation procedure, cannot guarantee the communication security that user is follow-up.
The existing bluetooth earphone with encryption function, as disclosed in Chinese patent CN203279187U " a kind of voice encryption bluetooth earphone with fingerprint recognition ", be responsible for end user's authentication and start encryption chip by fingerprint sensor, fingerprint recognition managing chip, can solve the safety problem of bluetooth earphone own, be responsible for speech chip to carry out enciphering/deciphering by encryption chip, can solve voice transfer safety problem, but this bluetooth earphone also exists the more high deficiency of cost, and cannot guarantee equally the communication security that user is follow-up.
Summary of the invention
Object of the present invention is exactly to provide in order to overcome the defect that above-mentioned prior art exists the bluetooth earphone that a kind of communications security is high.
Object of the present invention can be achieved through the following technical solutions:
A kind of bluetooth earphone, comprises earphone outer covering and is arranged on the circuit board in earphone outer covering, and described circuit board is provided with:
Central processing unit, be configured to detect and whether receive checking recognition instruction and judge whether voice to be encrypted according to Application on Voiceprint Recognition result, wherein, if receive checking recognition instruction, judge and carry out speech verification identifying processing, if while not receiving checking recognition instruction, judge and do not carry out voice encryption processing; And
Application on Voiceprint Recognition device, judges while carrying out speech verification identifying processing at described central processing unit, the voice signal collecting is carried out to the checking identification of vocal print, and by Application on Voiceprint Recognition result feedback to central processing unit;
If Application on Voiceprint Recognition success, voice encryption processing is carried out in central processing unit judgement, if Application on Voiceprint Recognition failure, voice encryption processing is not carried out in central processing unit judgement.
Preferably, described central processing unit comprises the Bluetooth chip that can be connected with communicating terminal.
Preferably, described Application on Voiceprint Recognition device comprises:
Signal picker, comprises the receiver and the transducer that are connected, and receiver gathers the user's of described bluetooth earphone analog voice signal, and transducer converts analog voice signal to audio digital signals;
Filter, carries out filtering and noise reduction to the audio digital signals of described signal picker output, obtains discernible vocal print characteristic signal;
Transfer module with reference to vocal print, transfer the reference vocal print characteristic signal setting in advance;
Relatively calculator, the described reference vocal print characteristic signal setting in advance and described discernible vocal print characteristic signal are compared to calculating, judge whether discernible vocal print characteristic signal and the reference vocal print characteristic signal setting in advance match, if, judge Application on Voiceprint Recognition success, if not, judge Application on Voiceprint Recognition failure.
Preferably, described receiver is microphone.
Preferably, described reference vocal print is transferred module and is comprised a memory, and this memory is pre-stored all trusty with reference to vocal print characteristic signal.
Preferably, described reference vocal print is transferred module and is comprised a wireless communication device, and this wireless communication device is transferred the pre-stored reference vocal print characteristic signal of all use objects trusty by wireless signal from be arranged at the voice print database in high in the clouds.
Preferably, also comprise encryption/decryption apparatus, be configured to judge when carrying out voice encryption processes and start at central processing unit, generate at random new key according to built-in key algorithm, and new key based on described is encrypted voice signal, the voice signal after encrypting is sent to terminal by described bluetooth earphone, and the voice signal that is also configured to described bluetooth earphone to receive from terminal is decrypted processing.
Preferably, also comprise timer, be configured to start timing in the time that user uses described bluetooth earphone to start to converse, in the time of end of conversation, stop timing; In the time that timer reaches preset value, start encryption/decryption apparatus and generate at random new key, the new key of encryption/decryption apparatus based on described is encrypted voice signal, and described bluetooth earphone is sent to terminal, timer reclocking by the voice signal after encrypting.
Preferably, also comprise speech recognition equipment, described speech recognition equipment comprises:
Voice acquisition module, in the time that Application on Voiceprint Recognition device gathers voice signal, the voice signal of synchronous acquisition headset user;
Speech database, compares as voice for storing at least one reference speech signal;
Sound identification module, for after Application on Voiceprint Recognition success, judges whether the voice signal that voice acquisition module collects mates with the reference speech signal in speech database, if not,, in the time that user uses described bluetooth earphone to start to converse, does not start timer.
Preferably, described speech recognition equipment also comprises voice cue module, for transfer at random a reference speech signal from described speech database before Application on Voiceprint Recognition, and by described bluetooth earphone output.
Known according to technique scheme, bluetooth earphone provided by the invention utilizes the uniqueness of human body vocal print feature, only by gathering user's sound and carrying out Application on Voiceprint Recognition, just can be quick, the identity of authentication of user easily, after confirming that user is trusted object, dialog context is carried out to voice encryption processing, the voice signal after encrypting is sent to terminal by bluetooth earphone, guarantee the secret and safety of communicating by letter while using bluetooth earphone, Application on Voiceprint Recognition not only verifying speed is fast, can meet the demand of real-time call, do not need to operate with hand simultaneously, such as inputting key etc., more convenient and safety compared with other authentication modes, to the light of affiliated environment also without particular requirement.
Bluetooth earphone provided by the invention, generate new key by built-in encryption/decryption apparatus is random, and based on new key, voice signal be encrypted, and greatly increased third party and intercept the difficulty of session key, improved the communication security between terminal and terminal.As long as the recipient of call is built-in with the encryption/decryption apparatus mating with the transmit leg of conversing, can be decrypted processing to the encrypted speech signal receiving.
By being set, timer make user in a conversation procedure; open at set intervals encryption/decryption apparatus; the new key of random generation; change original encryption key; the bluetooth earphone voice signal that the key based on different sends to terminal it at different time points is encrypted; dynamically protect dialog context, effectively solve an only existing COMSEC insecurity of session key of a session in prior art.Speech recognition equipment can be verified the phonetic order of headset user simultaneously; if the reference speech signal in voice signal and speech database that headset user is said matches; open timer; make bluetooth earphone realize dynamic protection to dialog context; if do not mate, close timer, dialog context is not carried out to dynamic encryption; effectively prevent that other people from utilizing recording by Application on Voiceprint Recognition, starts timer and encryption/decryption apparatus and cause unnecessary electric power to expend.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bluetooth earphone of the first execution mode of the present invention;
Fig. 2 is the structural representation of Application on Voiceprint Recognition device in the first execution mode of the present invention;
Fig. 3 is the structural representation of transferring module in the first execution mode of the present invention with reference to vocal print;
Fig. 4 is the structural representation of transferring module in the second execution mode of the present invention with reference to vocal print;
Fig. 5 is the structural representation of bluetooth earphone in the third execution mode of the present invention;
Fig. 6 is the structural representation of speech recognition equipment in the third execution mode of the present invention.
In figure: 1, circuit board, 10, central processing unit, 11, Application on Voiceprint Recognition device, 110, signal picker, 111, filter, 112, transfer module with reference to vocal print, 113, calculator relatively, 1102, receiver, 1103, transducer, 1122, memory, 1123, wireless communication device, 1124, cloud server, 12, speech recognition equipment, 121, voice cue module, 122, voice acquisition module, 123, speech database, 124, sound identification module, 13, encryption/decryption apparatus, 14, timer.
Embodiment
For the technology contents that the application is disclosed is more detailed and complete, can be with reference to accompanying drawing and following various specific embodiments of the present invention, in accompanying drawing, identical mark represents same or analogous assembly.But those of ordinary skill in the art should be appreciated that the embodiment that hereinafter provided is not used for limiting the scope that the present invention is contained.In addition, accompanying drawing, only for being schematically illustrated, is not drawn according to its life size.
Embodiment 1
As shown in Figure 1, a kind of bluetooth earphone, comprises earphone outer covering and is arranged on the circuit board 1 in earphone outer covering, described circuit board 1 is provided with the central processing unit 10 and the vocal print recognition device 11 that are connected.
Central processing unit 10 is configured to detect and whether receives checking recognition instruction and judge whether voice to be encrypted according to Application on Voiceprint Recognition result, wherein, if receive checking recognition instruction, judge and carry out speech verification identifying processing, if while not receiving checking recognition instruction, judge and do not carry out voice encryption processing.Central processing unit 10 comprises the Bluetooth chip that can be connected with communicating terminal.
Application on Voiceprint Recognition device 11, in the time that speech verification identifying processing is carried out in central processing unit 10 judgements, the voice signal collecting is carried out to the checking identification of vocal print, and by Application on Voiceprint Recognition result feedback to central processing unit, if Application on Voiceprint Recognition success, earphone user is trusted object, voice encryption processing is carried out in central processing unit 10 judgements, if Application on Voiceprint Recognition failure, earphone user is for by trust object, and central processing unit 10 is judged and do not carried out voice encryption processing.After voice signal is encrypted, voice signal after encrypting is sent to terminal, be sent to another terminal by terminal, after the preliminary deciphering of another terminal, be sent to another bluetooth earphone, this bluetooth earphone is decrypted processing according to pre-stored decruption key or key algorithm to voice signal.
As shown in Figure 2, Application on Voiceprint Recognition device 11 comprises successively the signal picker 110 that connects, filter 111, transfers module 112 and calculator 113 relatively with reference to vocal print.
Signal picker 110, comprise the receiver 1102 and the transducer 1103 that are connected, receiver 1102 gathers bluetooth earphone user's analog voice signal, be the sound that current user sends facing to bluetooth earphone, transducer 1103 converts analog voice signal to audio digital signals, in the present embodiment, receiver 1102 is microphone.
After the checking identification of vocal print starts, bluetooth earphone can be made prompting, requires the user of current bluetooth earphone to say one section of given content, and the words of this section of given content have comprised accepts the unique voiceprint of having of verifier.
Filter 111 is configured at transducer 1103, analog voice signal conversion be stated after audio digital signals, audio digital signals to signal picker output carries out filtering and noise reduction, obtain discernible vocal print characteristic signal, the vocal print characteristic signal that denoising obtains is after filtering more clear.
Transfer module 112 with reference to vocal print and be configured to transfer the reference vocal print characteristic signal setting in advance.The reference vocal print characteristic signal setting in advance is to be set in advance by trusted use object, and the reference vocal print feature setting in advance can be the voiceprint of a trusted object, can be also the voiceprint of multiple trusted objects.
Relatively calculator 113, the reference vocal print characteristic signal setting in advance and discernible vocal print characteristic signal are compared to calculating, judge whether discernible vocal print characteristic signal and the reference vocal print characteristic signal setting in advance match, if, judge Application on Voiceprint Recognition success, if not, judge Application on Voiceprint Recognition failure, user is un-trusted use object.
As shown in Figure 3, transfer module 112 with reference to vocal print and comprise a memory 1122, pre-stored all trusty with reference to vocal print characteristic signal, in the time of checking, can transfer in real time.Memory 1122 can be FLASH memory, can be also other storage mediums such as eeprom memory.
Embodiment 2
As Figure 1-Figure 2, a kind of bluetooth earphone, the structure of the bluetooth earphone of the present embodiment is identical with embodiment 1, and the concrete structure of only transferring module 112 with reference to vocal print is distinguished to some extent, is specially:
As shown in Figure 4, transfer module 112 with reference to vocal print and comprise a wireless communicator 1123, this wireless communicator 1123 is connected with cloud server 1124 by wireless signal, cloud server 1124 comprises voice print database, this databases contains the reference vocal print characteristic signal gathering in advance, in order to transfer in real time by wireless signal in the time carrying out vocal print checking.
In the voice print database of cloud server 1124, can pre-deposit the reference vocal print characteristic signal information of all use objects trusty, use object trusty can be set to one or more according to actual needs, when checking, be connected with voice print database by wireless communicator 1123, while transferring in real time the reference vocal print characteristic signal setting in advance.In the time increasing newly or upgrade with reference to vocal print characteristic signal, only need the voice print database of cloud server 1124 to upgrade, compared with embodiment 1, save the troublesome operation of on bluetooth earphone, memory being upgraded.
Embodiment 3
As shown in Figure 5, a kind of bluetooth earphone, comprises earphone outer covering and is arranged on the circuit board 1 in earphone outer covering, described circuit board 1 is provided with central processing unit 10, Application on Voiceprint Recognition device 11, speech recognition equipment 12, encryption/decryption apparatus 13 and timer 14.
Central processing unit 10 is configured to detect and whether receives checking recognition instruction and judge whether voice to be encrypted according to Application on Voiceprint Recognition result, wherein, if receive checking recognition instruction, judge and carry out speech verification identifying processing, if while not receiving checking recognition instruction, judge and do not carry out voice encryption processing; Application on Voiceprint Recognition device 20 is configured in the time that speech verification identifying processing is carried out in central processing unit 10 judgements, the voice signal collecting is carried out to the checking identification of vocal print, and by Application on Voiceprint Recognition result feedback to central processing unit 10, if Application on Voiceprint Recognition success, voice encryption processing is carried out in central processing unit 10 judgements, start speech recognition equipment 12, if Application on Voiceprint Recognition failure, central processing unit 10 is judged and is not carried out voice encryption processing.
The concrete structure of speech recognition equipment 12 as shown in Figure 6, comprise voice acquisition module 122, speech database 123 and with sound identification module 124, wherein, speech database 123 is pre-stored, and at least one reference speech signal is compared as voice.Application on Voiceprint Recognition device 11 gathers the voice signal that user repeats, and this voice signal of voice acquisition module 122 synchronous acquisitions, is sent to sound identification module 124 simultaneously.When after Application on Voiceprint Recognition success, sound identification module 124 is transferred reference speech signal from speech database 123, voice signal and reference speech signal that voice acquisition module 122 is collected make comparisons, if coupling thinks that headset user sent the instruction of change key; If do not mate,, in the time that user uses described bluetooth earphone to start to converse, do not start timer, make bluetooth earphone not make dynamic encryption to dialog context.Certainly, if Application on Voiceprint Recognition and speech recognition verifying after recognition failures for the first time, also can point out user rs authentication failure by earphone, give user proof machine meeting more frequently.
After Application on Voiceprint Recognition success; central processing unit 10 judges that the voice signal that bluetooth earphone sends to terminal it is encrypted; start encryption/decryption apparatus 13; encryption/decryption apparatus 13 is according to the new key of the random generation of built-in key algorithm; and voice signal bluetooth earphone being collected based on new key is encrypted protection; the voice signal after encrypting is sent to terminal by bluetooth earphone; guarantee the secret and safety of communicating by letter while using bluetooth earphone; even if third party has intercepted session key, also also have the encryption key of bluetooth earphone further to protect call voice.As long as the opposing party of call also uses this bluetooth earphone, can be decrypted the encrypted speech signal receiving by encryption/decryption apparatus 13.
The effect of timer 14 is in both sides' communication process; start timing from bluetooth earphone user's communication; stop timing to end of conversation; timer is arranged to a preset value, start at set intervals encryption/decryption apparatus 13, make the new key of its random generation; change original key; make user in a session, repeatedly change the encryption key of bluetooth earphone, dynamically protect dialog context.Can set preset value to timer according to the actual requirements, preset value can be 1 minute, 10 minutes, can be also the shorter or longer time.
Embodiment 4
Shown in figure 5-Fig. 6, a kind of bluetooth earphone, comprises earphone outer covering and is arranged on the circuit board 1 in earphone outer covering, is only provided with central processing unit 10, Application on Voiceprint Recognition device 11, speech recognition equipment 12, encryption/decryption apparatus 13 and timer 14 on circuit board 1.As different from Example 3, the speech recognition equipment 12 of the present embodiment also comprises voice cue module 121, for transfer at random a reference speech signal from described speech database before Application on Voiceprint Recognition, and by described bluetooth earphone output.Carrying out before Application on Voiceprint Recognition, voice cue module 121 is transferred at random a reference speech signal from speech database 123, and be sent to user ear by bluetooth earphone with reference to voice signal, the content that prompting user need to read aloud, user repeats after hearing prompt tone, and Application on Voiceprint Recognition device 11 gathers the voice signal that user repeats.
Embodiment 5
Shown in figure 5, a kind of bluetooth earphone, comprises earphone outer covering and is arranged on the circuit board 1 in earphone outer covering, as different from Example 3, is only provided with central processing unit 10, Application on Voiceprint Recognition device 11 and speech recognition equipment 12 on the circuit board 1 of the present embodiment.
Embodiment 6
Shown in figure 5, a kind of bluetooth earphone, comprise earphone outer covering and be arranged on the circuit board 1 in earphone outer covering, as different from Example 3, on the circuit board 1 of the present embodiment, being only provided with central processing unit 10, Application on Voiceprint Recognition device 11, speech recognition equipment 12 and encryption/decryption apparatus 13.
Above, describe the specific embodiment of the present invention with reference to the accompanying drawings.But those skilled in the art can understand, without departing from the spirit and scope of the present invention in the situation that, can also do various changes and replacement to the specific embodiment of the present invention.These changes and replacement all drop in the claims in the present invention book limited range.
Claims (10)
1. a bluetooth earphone, comprises earphone outer covering and is arranged on the circuit board in earphone outer covering, and it is characterized in that, described circuit board is provided with:
Central processing unit, be configured to detect and whether receive checking recognition instruction and judge whether voice to be encrypted according to Application on Voiceprint Recognition result, wherein, if receive checking recognition instruction, judge and carry out speech verification identifying processing, if while not receiving checking recognition instruction, judge and do not carry out voice encryption processing; And
Application on Voiceprint Recognition device, judges while carrying out speech verification identifying processing at described central processing unit, the voice signal collecting is carried out to the checking identification of vocal print, and by Application on Voiceprint Recognition result feedback to central processing unit;
If Application on Voiceprint Recognition success, voice encryption processing is carried out in central processing unit judgement, if Application on Voiceprint Recognition failure, voice encryption processing is not carried out in central processing unit judgement.
2. a kind of bluetooth earphone according to claim 1, is characterized in that, described central processing unit comprises the Bluetooth chip that can be connected with communicating terminal.
3. a kind of bluetooth earphone according to claim 1, is characterized in that, described Application on Voiceprint Recognition device comprises:
Signal picker, comprises the receiver and the transducer that are connected, and receiver gathers the user's of described bluetooth earphone analog voice signal, and transducer converts analog voice signal to audio digital signals;
Filter, carries out filtering and noise reduction to the audio digital signals of described signal picker output, obtains discernible vocal print characteristic signal;
Transfer module with reference to vocal print, transfer the reference vocal print characteristic signal setting in advance;
Relatively calculator, the described reference vocal print characteristic signal setting in advance and described discernible vocal print characteristic signal are compared to calculating, judge whether discernible vocal print characteristic signal and the reference vocal print characteristic signal setting in advance match, if, judge Application on Voiceprint Recognition success, if not, judge Application on Voiceprint Recognition failure.
4. a kind of bluetooth earphone according to claim 3, is characterized in that, described receiver is microphone.
5. a kind of bluetooth earphone according to claim 3, is characterized in that, described reference vocal print is transferred module and comprised a memory, and this memory is pre-stored all trusty with reference to vocal print characteristic signal.
6. a kind of bluetooth earphone according to claim 3, it is characterized in that, described reference vocal print is transferred module and is comprised a wireless communication device, and this wireless communication device is transferred the pre-stored reference vocal print characteristic signal of all use objects trusty by wireless signal from be arranged at the voice print database in high in the clouds.
7. a kind of bluetooth earphone according to claim 1, it is characterized in that, also comprise encryption/decryption apparatus, be configured to judge when carrying out voice encryption processes and start at central processing unit, generate at random new key according to built-in key algorithm, and new key based on described is encrypted voice signal, the voice signal after encrypting is sent to terminal by described bluetooth earphone, and the voice signal that is also configured to described bluetooth earphone to receive from terminal is decrypted processing.
8. a kind of bluetooth earphone according to claim 7, is characterized in that, also comprises timer, is configured to start timing in the time that user uses described bluetooth earphone to start to converse, and stops timing in the time of end of conversation; In the time that timer reaches preset value, start encryption/decryption apparatus and generate at random new key, the new key of encryption/decryption apparatus based on described is encrypted voice signal, and described bluetooth earphone is sent to terminal, timer reclocking by the voice signal after encrypting.
9. a kind of bluetooth earphone according to claim 8, is characterized in that, also comprises speech recognition equipment, and described speech recognition equipment comprises:
Voice acquisition module, in the time that Application on Voiceprint Recognition device gathers voice signal, the voice signal of synchronous acquisition headset user;
Speech database, compares as voice for storing at least one reference speech signal;
Sound identification module, for after Application on Voiceprint Recognition success, judges whether the voice signal that voice acquisition module collects mates with the reference speech signal in speech database, if not,, in the time that user uses described bluetooth earphone to start to converse, does not start timer.
10. a kind of bluetooth earphone according to claim 9, it is characterized in that, described speech recognition equipment also comprises voice cue module, for transfer at random a reference speech signal from described speech database before Application on Voiceprint Recognition, and by described bluetooth earphone output.
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| CN201410119719.7A CN103916725B (en) | 2014-03-27 | 2014-03-27 | A kind of bluetooth earphone |
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| CN201410119719.7A CN103916725B (en) | 2014-03-27 | 2014-03-27 | A kind of bluetooth earphone |
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| CN106412812A (en) * | 2016-11-23 | 2017-02-15 | 建荣半导体（深圳）有限公司 | Bluetooth voice communication method, Bluetooth voice communication system and Bluetooth headset |
| CN110133987A (en) * | 2018-02-08 | 2019-08-16 | 卡西欧计算机株式会社 | Timing measuring device, electronic clock, timing measuring method, the storage medium for being stored with program |
| CN110133987B (en) * | 2018-02-08 | 2021-02-05 | 卡西欧计算机株式会社 | Timing measurement device, electronic timepiece, timing measurement method, and storage medium storing program |
| CN110418223A (en) * | 2019-08-01 | 2019-11-05 | 湖南神府智能科技有限公司 | A kind of portable multifunctional intelligent sound box |
| CN111601310A (en) * | 2020-04-03 | 2020-08-28 | 厦门快商通科技股份有限公司 | Voice print identification-based call encryption method and system and mobile terminal |
| CN111832075A (en) * | 2020-07-24 | 2020-10-27 | 上海明略人工智能(集团)有限公司 | Audio data processing method and device and electronic equipment |
| CN117939350A (en) * | 2024-03-21 | 2024-04-26 | 深圳市中翔达润电子有限公司 | Data intelligent transmission system for Bluetooth headset |
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