CN103916725B - A kind of bluetooth earphone - Google Patents
A kind of bluetooth earphone Download PDFInfo
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- CN103916725B CN103916725B CN201410119719.7A CN201410119719A CN103916725B CN 103916725 B CN103916725 B CN 103916725B CN 201410119719 A CN201410119719 A CN 201410119719A CN 103916725 B CN103916725 B CN 103916725B
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- vocal print
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Abstract
The present invention relates to a kind of bluetooth earphone, including earphone outer covering and the circuit board that is arranged in earphone outer covering, described circuit board are provided with：Central processing unit, it is configured as detecting whether to receive checking identification instruction and according to Application on Voiceprint Recognition result judges whether that voice is encrypted, wherein, if receive checking identification instruction, then judge to carry out speech verification identifying processing, if be not received by checking identification instruction, judgement is handled without voice encryption；And voice print identification device, when described central processing unit judges to carry out speech verification identifying processing, the checking that vocal print is carried out to the voice signal collected is identified, and Application on Voiceprint Recognition result is fed back into central processing unit；If Application on Voiceprint Recognition success, central processing unit judges to carry out voice encryption processing, if Application on Voiceprint Recognition fails, central processing unit judges to handle without voice encryption.Compared with prior art, the present invention has the advantages that communications security is high.
Description
Technical field
The present invention relates to a kind of Headphone structure, more particularly, to a kind of bluetooth earphone.
Background technology
The one kind of bluetooth earphone as Bluetooth Communication Technology, using the transmission means of radio communication, this is possible to
User data is caused to be intercepted and captured in the transmission by other people.The safety measure that the hopping of Bluetooth system is provided at present focuses on solution
Certainly come from the transmission interference caused by the other bluetooth equipments of internal system, but in wirelessly transmitting data, stealing data person can
Easily to shield oneself without allowing user to find, so being merely far from being enough by the protection mechanism of frequency hopping, need
Further technical measures are wanted to ensure the confidentiality of user data.
Digital certificate is used to produce session key to voice in addition, the Bluetooth communication encipherment protection technology used at present also has
Protection is encrypted in signal, but is limited by digital certificate technique, in practical operation, still can produce the key of generation
The problem of speed is slow, and the key generated is not easy to remember, and key may be stolen, this user to coded communication make
Into inconvenience.
In addition, session key is usually used in during network communication, the call-information of client is encrypted, is mostly at present
" one-time pad ", i.e. general session key produce temporarily in each session, the quilt " destruction " after a conversation end, once meeting
Words key is trapped in a conversation procedure, then can not ensure the follow-up communication security of user.
The existing bluetooth earphone with encryption function, " a kind of band fingerprint as disclosed in Chinese patent CN203279187U
The voice encryption bluetooth earphone of identification ", user's authentication is responsible for by fingerprint sensor, fingerprint recognition managing chip and opened
Dynamic encryption chip, can solve bluetooth earphone safety problem itself, be responsible for carrying out enciphering/deciphering to speech chip by encryption chip, can
Solve voice transfer safety problem, but the deficiencies of cost is higher also be present in the bluetooth earphone, and can not equally ensure that user is follow-up
Communication security.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of communications security is high
Bluetooth earphone.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of bluetooth earphone, including earphone outer covering and the circuit board that is arranged in earphone outer covering, set on described circuit board
Have：
Central processing unit, it is configured as detecting whether to receive checking identification instruction and is according to the judgement of Application on Voiceprint Recognition result
It is no that voice is encrypted, wherein, if receiving checking identification instruction, judge to carry out speech verification identifying processing, if
When being not received by checking identification instruction, then judge to handle without voice encryption；And
Voice print identification device, when described central processing unit judges to carry out speech verification identifying processing, to what is collected
Voice signal carries out the checking identification of vocal print, and Application on Voiceprint Recognition result is fed back into central processing unit；
If Application on Voiceprint Recognition success, central processing unit judges to carry out voice encryption processing, if Application on Voiceprint Recognition fails, center
Processor judges to handle without voice encryption.
Preferably, described central processing unit includes the Bluetooth chip that can be connected with communicating terminal.
Preferably, described voice print identification device includes：
Signal picker, including the receiver and converter being connected, the use of the described bluetooth earphone of receiver collection
Analog voice signal is converted into audio digital signals by the analog voice signal of person, converter；
Wave filter, the audio digital signals exported to described signal picker are filtered denoising, obtained recognizable
Vocal print feature signal；
Module is transferred with reference to vocal print, transfers the reference vocal print feature signal pre-set；
Compare calculator, by the described reference vocal print feature signal pre-set and described recognizable vocal print feature
Signal is compared calculating, judge recognizable vocal print feature signal and the reference vocal print feature signal that pre-sets whether phase
Match somebody with somebody, if so, Application on Voiceprint Recognition success is then judged, if it is not, then judging Application on Voiceprint Recognition failure.
Preferably, described receiver is microphone.
Preferably, described reference vocal print, which transfers module, includes a memory, and the memory prestores all credible
The reference vocal print feature signal appointed.
Preferably, described reference vocal print, which transfers module, includes a wireless communication device, and the wireless communication device passes through wireless
Signal transfers all reference vocal print features trusty prestored using object from the voice print database for be arranged at high in the clouds
Signal.
Preferably, in addition to encryption/decryption apparatus, it is configured as when central processing unit judges to carry out voice encryption processing
Start, new key is generated according to built-in key algorithm at random, and place voice signal is encrypted based on described new key
Reason, described bluetooth earphone sends the voice signal after encryption to terminal, and is additionally configured to described bluetooth earphone
Processing is decrypted in the voice signal received from terminal.
Preferably, in addition to timer, it is configured as starting when the bluetooth earphone described in user's use starts call
Timing, stop timing in end of conversation；When timer reaches preset value, start encryption/decryption apparatus and generate new key at random,
Voice signal is encrypted based on described new key for encryption/decryption apparatus, and described bluetooth earphone is by the language after encryption
Sound signal is sent to terminal, timer reclocking.
Preferably, in addition to speech recognition equipment, described speech recognition equipment include：
Voice acquisition module, for voice print identification device gather voice signal when, the voice of synchronous acquisition headset user
Signal；
Speech database, compared for storing at least one reference speech signal as voice；
Sound identification module, for after Application on Voiceprint Recognition success, judge voice signal that voice acquisition module collects with
Whether the reference speech signal in speech database matches, if it is not, then when the bluetooth earphone described in user's use starts call,
Do not start timer.
Preferably, described speech recognition equipment also includes voice cue module, for before Application on Voiceprint Recognition from described
Speech database in transfer a reference speech signal at random, and pass through described bluetooth earphone and export.
It can be seen from above-mentioned technical proposal, bluetooth earphone provided by the invention utilizes the uniqueness of human body vocal print feature, only
Only by the sound that gathers user and Application on Voiceprint Recognition is carried out, can confirmed with quickly and conveniently verifying the identity of user
For user for after trusted object, voice encryption processing is carried out to dialog context, bluetooth earphone sends the voice signal after encryption
To terminal, it is ensured that the secrecy and safety to be communicated during using bluetooth earphone, not only verifying speed is fast for Application on Voiceprint Recognition, can meet reality
When the demand conversed, while need not be operated with hand, such as input key etc., it is more convenient with pacifying with other authentication modes compared with
Entirely, to the light of affiliated environment also without particular requirement.
Bluetooth earphone provided by the invention, generate new key at random by built-in encryption/decryption apparatus, and be based on new key
Voice signal is encrypted, considerably increases the difficulty that third party intercepts session key, improve terminal and terminal it
Between communication security.As long as the recipient of call is built-in with the encryption/decryption apparatus matched with the sender to converse, you can to receiving
To encryption voice signal processing is decrypted.
By setting timer user is opened encryption/decryption apparatus at regular intervals, at random in a conversation procedure
Generate new key, change original encryption key, make bluetooth earphone different time points based on different keys to its to
The voice signal that terminal is sent is encrypted, and dynamically protects dialog context, effectively solves a session only one in the prior art
COMSEC insecurity present in individual session key.Speech recognition equipment can verify that the phonetic order of headset user simultaneously, if ear
Reference speech signal in voice signal and speech database that machine user says matches, then opens timer, makes bluetooth ear
Machine realizes dynamic protection to dialog context, if mismatching, closes timer, does not carry out dynamic encryption to dialog context, effectively
Prevent other people from passing through Application on Voiceprint Recognition using recording, start timer and encryption/decryption apparatus causes unnecessary electrical expenses.
Brief description of the drawings
Fig. 1 is the structural representation of the bluetooth earphone of the first embodiment of the present invention；
Fig. 2 is the structural representation of voice print identification device in the first embodiment of the invention；
Fig. 3 is the structural representation for transferring module in the first embodiment of the present invention with reference to vocal print；
Fig. 4 is the structural representation for transferring module in second of embodiment of the invention with reference to vocal print；
Fig. 5 is the structural representation of bluetooth earphone in the third embodiment of the invention；
Fig. 6 is the structural representation of speech recognition equipment in the third embodiment of the invention.
In figure：1st, circuit board, 10, central processing unit, 11, voice print identification device, 110, signal picker, 111, filtering
Device, 112, transfer module with reference to vocal print, 113, compare calculator, 1102, receiver, 1103, converter, 1122, memory,
1123rd, wireless communication device, 1124, cloud server, 12, speech recognition equipment, 121, voice cue module, 122, voice collecting
Module, 123, speech database, 124, sound identification module, 13, encryption/decryption apparatus, 14, timer.
Embodiment
In order that techniques disclosed in this application content it is more detailed with it is complete, can refer to accompanying drawing and the present invention it is following
Various specific embodiments, identical mark represents same or analogous component in accompanying drawing.However, one of ordinary skill in the art
It should be appreciated that embodiment provided hereinafter is not to be used for limiting the scope that the present invention is covered.In addition, accompanying drawing is used only for
Schematically it is illustrated, and is drawn not according to its full size.
Embodiment 1
As shown in figure 1, a kind of bluetooth earphone, including earphone outer covering and the circuit board 1 that is arranged in earphone outer covering, it is described
Circuit board 1 is provided with the central processing unit 10 and voice print identification device 11 being connected.
Central processing unit 10 is configured as detecting whether to receive checking identification instruction and according to Application on Voiceprint Recognition result being judged
Whether voice is encrypted, wherein, if receiving checking identification instruction, judge to carry out speech verification identifying processing,
If be not received by checking identification instruction, judgement is handled without voice encryption.Central processing unit 10 includes can be with communication
The Bluetooth chip of terminal connection.
Voice print identification device 11, when central processing unit 10 judges to carry out speech verification identifying processing, to the language collected
Sound signal carries out the checking identification of vocal print, and Application on Voiceprint Recognition result is fed back into central processing unit, if Application on Voiceprint Recognition success, earphone
User is trusted object, then central processing unit 10 judges to carry out voice encryption processing, if Application on Voiceprint Recognition fails, earphone uses
Person is is not trusted object, then central processing unit 10 judges to handle without voice encryption.After voice signal is encrypted,
Voice signal after encryption is sent to terminal, is sent to another terminal by terminal, is sent after the tentatively decryption of another terminal to another
One bluetooth earphone, the bluetooth earphone voice signal are decrypted processing according to the decruption key or key algorithm that prestore.
As shown in Fig. 2 voice print identification device 11 include be sequentially connected signal picker 110, wave filter 111, with reference to sound
Line transfers module 112 and compares calculator 113.
Signal picker 110, including the receiver 1102 and converter 1103 being connected, receiver 1102 gather bluetooth ear
The analog voice signal of machine user, i.e., the sound that currently used person sends against bluetooth earphone, converter 1103 will simulate language
Sound signal is converted into audio digital signals, and in the present embodiment, receiver 1102 is microphone.
When the checking of vocal print identifies that bluetooth earphone can make prompting, it is desirable to which the user of current Bluetooth earphone says after startup
If one section of given content, contained if this section of given content receive verifier there is unique voice print information.
Wave filter 111 is configured as after analog voice signal conversion is stated audio digital signals by converter 1103, to letter
The audio digital signals of number collector output are filtered denoising, obtain recognizable vocal print feature signal, after filtering denoising
Obtained vocal print feature signal is relatively sharp.
Module 112 is transferred with reference to vocal print to be configured as transferring the reference vocal print feature signal pre-set.Pre-set
It is then to be pre-set by being trusted using object with reference to vocal print feature signal, the reference vocal print feature pre-set can be one
The voiceprint of individual trusted object, or the voiceprint of multiple trusted objects.
Compare calculator 113, the reference vocal print feature signal pre-set and recognizable vocal print feature signal are carried out
Compare calculating, judge whether recognizable vocal print feature signal matches with the reference vocal print feature signal pre-set, if so,
Then judge Application on Voiceprint Recognition success, if it is not, then judging Application on Voiceprint Recognition failure, user uses object to be un-trusted.
As shown in figure 3, transferring module 112 with reference to vocal print includes a memory 1122, all ginsengs trusty are prestored
Vocal print feature signal is examined, can be transferred in real time when checking.Memory 1122 can be FLASH memory or
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 same as Example 1, only joins
Examine vocal print transfer module 112 concrete structure it is otherwise varied, be specially：
As shown in figure 4, transferring module 112 with reference to vocal print includes a wireless communicator 1123, the wireless communicator 1123 is logical
Cross wireless signal to be connected with cloud server 1124, cloud server 1124 includes voice print database, and the databases contain
The reference vocal print feature signal gathered in advance, to be transferred in real time by wireless signal when carrying out voice print verification.
All reference vocal prints trusty using object can be pre-deposited in the voice print database of cloud server 1124
Characteristic signal information, it is trusty to be arranged to one or more according to being actually needed using object, during checking, by radio communication
Device 1123 is connected with voice print database, when transferring the reference vocal print feature signal pre-set in real time.In newly-increased or renewal
During with reference to vocal print feature signal, it is only necessary to the voice print database of cloud server 1124 is updated, compared with Example 1, saved
The troublesome operation being updated on bluetooth earphone to memory is gone.
Embodiment 3
As shown in figure 5, a kind of bluetooth earphone, including earphone outer covering and the circuit board 1 that is arranged in earphone outer covering, it is described
Circuit board 1 is provided with central processing unit 10, voice print identification device 11, speech recognition equipment 12, encryption/decryption apparatus 13 and timer
14。
Central processing unit 10 is configured as detecting whether to receive checking identification instruction and according to Application on Voiceprint Recognition result being judged
Whether voice is encrypted, wherein, if receiving checking identification instruction, judge to carry out speech verification identifying processing,
If be not received by checking identification instruction, judgement is handled without voice encryption；Voice print identification device 20 is configured as
When central processing unit 10 judges to carry out speech verification identifying processing, the checking that vocal print is carried out to the voice signal collected identifies,
And Application on Voiceprint Recognition result is fed back into central processing unit 10, if Application on Voiceprint Recognition success, central processing unit 10 judges to carry out voice
Encryption, start speech recognition equipment 12, if Application on Voiceprint Recognition fails, central processing unit 10 is judged without at voice encryption
Reason.
The concrete structure of speech recognition equipment 12 is as shown in fig. 6, including voice acquisition module 122, the and of speech database 123
With sound identification module 124, wherein, speech database 123 has prestored at least one reference speech signal as voice ratio
It is right.Voice print identification device 11 gathers the voice signal that user repeats, while the synchronous acquisition of voice acquisition module 122 voice letter
Number, it is sent to sound identification module 124.After Application on Voiceprint Recognition success, sound identification module 124 is adjusted from speech database 123
Reference speech signal is taken, the voice signal that voice acquisition module 122 collects is made comparisons with reference speech signal, if matching,
Then think that headset user have issued the instruction of change key；If mismatching, start to lead in the bluetooth earphone described in user's use
During words, do not start timer, bluetooth earphone is not made dynamic encryption to dialog context.Certainly, if Application on Voiceprint Recognition and speech recognition
After first time verifies recognition failures, also by earphone user's checking can be prompted to fail, give the more verification machine meeting of user.
After Application on Voiceprint Recognition success, central processing unit 10 judges that bluetooth earphone is carried out to it to the voice signal that terminal is sent
Encryption, starting encryption/decryption apparatus 13, encryption/decryption apparatus 13 generates new key according to built-in key algorithm at random, and
Protection the voice signal that bluetooth earphone collects is encrypted based on new key, bluetooth earphone sends out the voice signal after encryption
Deliver to terminal, it is ensured that the secrecy and safety to be communicated during using bluetooth earphone, even if third party has intercepted session key, also also have
The encryption key of bluetooth earphone further protects call voice.As long as the opposing party of call also uses the bluetooth earphone, you can logical
Encryption/decryption apparatus 13 is crossed the encryption voice signal received is decrypted.
The effect of timer 14 is the timing since bluetooth earphone user's communication during double-talk, is tied to call
Beam stops timing, sets a preset value to timer, starts encryption/decryption apparatus 13 at regular intervals, it is generated at random newly
Key, change original key, make user can in a session, repeatedly change bluetooth earphone encryption key, dynamically protect
Protect dialog context.Can according to the actual requirements to timer set preset value, preset value can be 1 minute, 10 minutes or
The shorter or longer time.
Embodiment 4
With reference to shown in figure 5- Fig. 6, a kind of bluetooth earphone, including earphone outer covering and the circuit board 1 that is arranged in earphone outer covering,
Central processing unit 10, voice print identification device 11, speech recognition equipment 12, encryption/decryption apparatus 13 and timing are provided only with circuit board 1
Device 14.As different from Example 3, the speech recognition equipment 12 of the present embodiment also includes voice cue module 121, in sound
A reference speech signal is transferred at random from described speech database before line identification, and it is defeated by described bluetooth earphone
Go out.Before Application on Voiceprint Recognition is carried out, voice cue module 121 transfers a reference speech signal at random from speech database 123,
And reference speech signal is sent to by user ear by bluetooth earphone, prompt user to need the content read aloud, user, which hears, to be carried
Repeated after showing sound, voice print identification device 11 gathers the voice signal that user repeats.
Embodiment 5
With reference to shown in figure 5, a kind of bluetooth earphone, including earphone outer covering and the circuit board 1 that is arranged in earphone outer covering, with reality
Apply unlike example 3, central processing unit 10, voice print identification device 11 and speech recognition are provided only with the circuit board 1 of the present embodiment
Device 12.
Embodiment 6
With reference to shown in figure 5, a kind of bluetooth earphone, including earphone outer covering and the circuit board 1 that is arranged in earphone outer covering, with reality
Apply unlike example 3, central processing unit 10, voice print identification device 11, speech recognition dress are provided only with the circuit board 1 of the present embodiment
Put 12 and encryption/decryption apparatus 13.
Above, the embodiment of the present invention is described with reference to the accompanying drawings.But those skilled in the art
It is understood that without departing from the spirit and scope of the present invention, the embodiment of the present invention can also be made each
Kind change and replacement.These changes and replacement all fall in claims of the present invention limited range.
Claims (7)
1. a kind of bluetooth earphone, including earphone outer covering and the circuit board that is arranged in earphone outer covering, it is characterised in that described electricity
Road plate is provided with：
Central processing unit, it is configured as detecting whether receiving checking identification instruction and is judged whether pair according to Application on Voiceprint Recognition result
Voice is encrypted, wherein, if receiving checking identification instruction, judge to carry out speech verification identifying processing, if not having
When receiving checking identification instruction, then judge to handle without voice encryption；And
Voice print identification device, when described central processing unit judges to carry out speech verification identifying processing, to the voice collected
Signal carries out the checking identification of vocal print, and Application on Voiceprint Recognition result is fed back into central processing unit；
If Application on Voiceprint Recognition success, central processing unit judges to carry out voice encryption processing, if Application on Voiceprint Recognition fails, central processing
Device judges to handle without voice encryption；
Also include encryption/decryption apparatus, be configured as starting when central processing unit judges to carry out voice encryption processing, according to built-in
Key algorithm generate new key at random, and voice signal is encrypted based on described new key, described bluetooth
Earphone sends the voice signal after encryption to terminal, and is additionally configured to what described bluetooth earphone was received from terminal
Processing is decrypted in voice signal；
Also include timer, be configured as starting timing when the bluetooth earphone described in user's use starts call, tied in call
Stop timing during beam；When timer reaches preset value, start encryption/decryption apparatus and generate new key, encryption/decryption apparatus base at random
Voice signal is encrypted in described new key, described bluetooth earphone sends the voice signal after encryption to end
End, timer reclocking；
Also include speech recognition equipment, described speech recognition equipment includes：
Voice acquisition module, for voice print identification device gather voice signal when, the voice signal of synchronous acquisition headset user；
Speech database, compared for storing at least one reference speech signal as voice；
Sound identification module, for after Application on Voiceprint Recognition success, judging voice signal and voice that voice acquisition module collects
Whether the reference speech signal in database matches, if it is not, not opened when the bluetooth earphone described in user's use starts call then
Dynamic timer.
2. a kind of bluetooth earphone according to claim 1, it is characterised in that described central processing unit includes can be with communication
The Bluetooth chip of terminal connection.
3. a kind of bluetooth earphone according to claim 1, it is characterised in that described voice print identification device includes：
Signal picker, including the receiver and converter being connected, the user's of the described bluetooth earphone of receiver collection
Analog voice signal is converted into audio digital signals by analog voice signal, converter；
Wave filter, the audio digital signals exported to described signal picker are filtered denoising, obtain recognizable vocal print
Characteristic signal；
Module is transferred with reference to vocal print, transfers the reference vocal print feature signal pre-set；
Compare calculator, by the described reference vocal print feature signal pre-set and described recognizable vocal print feature signal
Calculating is compared, judges whether recognizable vocal print feature signal matches with the reference vocal print feature signal pre-set,
If so, Application on Voiceprint Recognition success is then judged, if it is not, then judging Application on Voiceprint Recognition failure.
4. a kind of bluetooth earphone according to claim 3, it is characterised in that described receiver is microphone.
5. a kind of bluetooth earphone according to claim 3, it is characterised in that described reference vocal print, which transfers module, includes one
Memory, the memory prestore all trusty with reference to vocal print feature signal.
6. a kind of bluetooth earphone according to claim 3, it is characterised in that described reference vocal print, which transfers module, includes one
Wireless communication device, the wireless communication device are transferred from the voice print database for be arranged at high in the clouds all trusty by wireless signal
The reference vocal print feature signal prestored using object.
7. a kind of bluetooth earphone according to claim 1, it is characterised in that described speech recognition equipment also includes voice
Reminding module, for transferring a reference speech signal at random from described speech database before Application on Voiceprint Recognition, and pass through
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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| CN103916725B true CN103916725B (en) | 2018-01-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106303913B (en) * | 2015-06-01 | 2019-06-25 | 深圳市南方硅谷微电子有限公司 | Bluetooth transceiver therein and its information transceiving method |
| CN105206282B (en) * | 2015-09-24 | 2019-12-13 | 深圳市冠旭电子股份有限公司 | noise collection method and device |
| CN105407420B (en) * | 2016-01-09 | 2018-09-25 | 吴安康 | A kind of Intelligent microphone |
| CN108307287A (en) * | 2016-09-29 | 2018-07-20 | 上海华测导航技术股份有限公司 | A kind of receiver voice encryption connection system |
| 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 |
| JP7040081B2 (en) * | 2018-02-08 | 2022-03-23 | カシオ計算機株式会社 | Timer measuring device, electronic clock, timer measuring method and 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 |
| CN111601310B (en) * | 2020-04-03 | 2023-06-23 | 厦门快商通科技股份有限公司 | Call encryption method and system based on voiceprint recognition 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 |
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