CN101025860A - Digital media adaptor with voice control function and its voice control method - Google Patents
Digital media adaptor with voice control function and its voice control method Download PDFInfo
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Abstract
This invention relates to a digital media adapter and a method with voice control function and the adapter includes voice input module, ADC module, speech recognition module, voice prompt and playback function module, user information storage library, infrared remote control signal input module and system control module. The method includes judging in a certain time whether there is infrared remote control signal, establishing user information library and voice training, receiving and selecting voice information from user library, conducting ADC on voice information, judging whether the corresponding voice message matches the selected personal information library, conducting the corresponding users' voice command recognition and handling.
Description
Technical field
The present invention relates to the digital multimedia device field, particularly the digital media adaptor field specifically is meant a kind of digital media adaptor and sound control method thereof with voice control function.
Background technology
In the modern life; various household electrical appliance use for convenience; all be equipped with telepilot; but because the existence of some special disadvantaged group in the society; and a part of user feels very loaded down with trivial details for using a teleswitch; telepilot more than one in the man takes place in regular meeting in the time of again; situation about just disappearing into thin air; particularly for the digital multimedia device field; its function is very powerful; the control corresponding operation is also comparatively complicated, and does not also have a kind of digita multimedia device that can use voice to carry out control operation in the prior art, has brought certain inconvenience with regard to the penetration and promotion of giving the digital multimedia technology like this.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, provide a kind of and can accurately discern the voice of different people, can carry out speech recognition training, support multilingual, use digital media adaptor and sound control method thereof flexibly and fast convenient, that operation interface is friendly, stable and reliable working performance, applicable surface have voice control function comparatively widely.
In order to realize above-mentioned purpose, digital media adaptor and the sound control method thereof with voice control function of the present invention is as follows:
This has the digital media adaptor of voice control function, comprise digital media adaptor inner function circuit and infrared remote-controlled signal load module, this digital media adaptor is connected with digital media device, its principal feature is, also comprise voice input module in the described digital media adaptor, D/A converter module, sound identification module, voice suggestion and audio playback functional module, user profile thesaurus and system control module, described voice input module passes through D/A converter module successively, sound identification module, voice suggestion is connected with described system control module with the audio playback functional module, described infrared remote-controlled signal load module is connected with described system control module, and described user profile thesaurus is connected with described sound identification module.
This voice input module with digital media adaptor of voice control function is the electret microphone with prime amplifier.
This back side of electret microphone with digital media adaptor of voice control function is installed on sound arrester.
The method that the above-mentioned digital media adaptor of this use is carried out the voice control operation, its principal feature is that described method may further comprise the steps:
(1) system carries out initialization operation;
(2) system judges in default time-out time whether receive infrared remote-controlled signal by the infrared remote-controlled signal load module;
(3) if receive, then system enters the infrared remote control state of a control, and carries out subsequent treatment;
(4) if do not receive, then system enters the voice state of a control;
(5) system judges in the user profile thesaurus whether be empty;
(6) if empty, then system carries out the foundation in userspersonal information storehouse and the operational processes of voice training;
(7) if not sky, then system wait receives the voice messaging that the user selects the personal information storehouse by voice input module;
(8) system carries out digital-to-analog conversion processing operation by D/A converter module to received user's voice information;
(9) system judges by sound identification module whether corresponding voice messaging is consistent with selected personal information storehouse;
(10) if not, then system carries out the foundation in userspersonal information storehouse and the operational processes of voice training;
(11) if then load corresponding userspersonal information storehouse;
(12) system receives the user's voice order by voice input module;
(13) system carries out digital-to-analog conversion processing operation by D/A converter module to received user's voice information;
(14) system carries out the identification of relative users voice command and handles operation by sound identification module, voice suggestion and audio playback functional module and system control module.
This default time-out time of method that carries out the voice control operation of digital media adaptor is 30 seconds.
This carries out the foundation of carrying out the userspersonal information storehouse of method of voice control operation of digital media adaptor and the operational processes of voice training may further comprise the steps:
(1) relative users personal information storehouse is created by system in the user profile thesaurus;
(2) in this information bank, deposit this user's relevant information in;
(3) system judges whether the user will carry out voice training;
(4) if not, then with the voice messaging in the Default sound storehouse as the voice messaging in this user's the personal information storehouse;
(5) if then system receives user's voice information by voice input module;
(6) system carries out digital-to-analog conversion processing operation by D/A converter module to received user's voice information;
(7) system carries out noise filtering and the processing that amplifies by sound identification module to voice messaging, and carries out optimized Algorithm and handle;
(8) voice messaging being carried out pattern matching algorithm handles;
(9) will deposit in through the voice messaging after the above-mentioned processing in this user's the personal information storehouse.
This relevant information of user of method of carrying out the voice control operation of digital media adaptor comprises user's name, sex, languages.
This pattern matching algorithm of method that carries out the voice control operation of digital media adaptor is bimodulus plate algorithm or two-stage end-point detection algorithm.
This digital-to-analog conversion of method of carrying out the voice control operation of digital media adaptor is handled operation and be may further comprise the steps:
(1) the user's voice signal is changed into digital sampled signal;
(2) above-mentioned digital sampled signal is converted to audio analog signals and output.
This carries out the judging whether corresponding voice messaging is consistent with selected personal information storehouse and may further comprise the steps of method of the voice control operation of digital media adaptor:
(1) this voice messaging is carried out noise filtering and the processing that amplifies, and carry out optimized Algorithm and handle;
(2), above-mentioned voice messaging is carried out pattern matching algorithm handle in conjunction with the corresponding voice messaging of storing in the corresponding personal information storehouse;
(3) if the pattern match result is normal, then return the result that voice messaging is consistent; Otherwise, return the inconsistent result of voice messaging.
This carry out digital media adaptor the voice control operation method the relative users voice command identification and handle operation and may further comprise the steps:
(1) system carries out noise filtering and the processing that amplifies by sound identification module to this voice messaging, and carries out optimized Algorithm and handle;
(2) system in conjunction with corresponding personal information storehouse, analyzes and identifies the corresponding command of representative by sound identification module to the user's voice command signal;
(3) system operates by voice suggestion and audio playback functional module prompting user and institute's recognizing voice is responded;
(4) system becomes the control corresponding operation signal by system control module with the command conversion that identifies, and finishes this function by operating corresponding digital media device.
The digital media adaptor with voice control function and the sound control method thereof of this invention have been adopted, because adding in the main frame of digital media adaptor DMA has voice to accept control device, and user's various voice commands accurately can be discerned and are converted to the system operation instruction, thereby realized corresponding operating to digital media device, not only exempted complicated telepilot operation, and made things convenient for handicapped physical disabilities on many limbs, make them not need the manual operations function that just can realize among the DMA; Simultaneously can also set up the different userspersonal information storehouses that records voice messaging according to different users, and can carry out speech recognition training in the using system first the user, not only system extension is stronger, and increased the accuracy of speech recognition, support multilingual simultaneously, use-pattern is flexibly and fast convenient, the operation interface close friend, and system extension is stronger; Moreover, the stable and reliable working performance of digital media adaptor of the present invention and method thereof, applicable surface is comparatively extensive, for applying of digital multimedia technology brings great convenience.
Description of drawings
Fig. 1 is the hardware module figure with digital media adaptor of voice control function of the present invention.
Fig. 2 is the workflow diagram of the method for the voice control operation of carrying out digital media adaptor of the present invention.
Fig. 3 is the voice recognition processing process synoptic diagram of the method for the voice control operation of carrying out digital media adaptor of the present invention.
Embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also shown in Figure 1, this has the digital media adaptor of voice control function, comprise digital media adaptor inner function circuit and infrared remote-controlled signal load module 10, this digital media adaptor 1 is connected with digital media device 2, its kind, also comprise voice input module 11 in the described digital media adaptor 1, D/A converter module 12, sound identification module 13, voice suggestion and audio playback functional module 14, user profile thesaurus 15 and system control module 16, described voice input module 11 is the electret microphone with prime amplifier, and the back side of this electret microphone also is installed on sound arrester; Described voice input module 11 is connected with described system control module 16 with audio playback functional module 14 by D/A converter module 12, sound identification module 13, voice suggestion successively, described infrared remote-controlled signal load module 10 is connected with described system control module 16, and described user profile thesaurus 15 is connected with described sound identification module 13.
In the middle of practical application, the language process function hardware on the digital media adaptor of the present invention mainly is made up of four parts.First is mould/number conversion part, and its input end receives the voice signal of input, and converts it into the accessible digital sampled signal of digit chip; At output terminal decoded voice digital signal is converted to audio analog signals.Second portion is the speech recognition part, and its effect is that the digital speech entry signal of input is analyzed, and identifies the order of entry signal representative, is generally finished by dsp chip.Third part is voice suggestion and audio playback part, and it is generally also finished in DSP, and its core is that voice signal is carried out the digital compression Code And Decode, and purpose is prompting user operation and to the response of recognizing voice, finishes man-machine interactive voice.The 4th part is the systems control division branch, and it converts voice identification result to control signal corresponding, and converts its output to operation, finishes concrete function.The combination of speech recognition and system's control is to finish the mutual key of acoustic control.
Simultaneously,, can adopt chip as main control chip, for example with speech processes ability for voice signal processing module wherein: SPCE061A etc., its concrete ins and outs are described and are seen also webpage:
http://www.unsp.com.cn/app/html/20036293035.shtml
Moreover, can adopt the electret microphone with prime amplifier for voice input module 11, because it has high-gain, strong noise suppresses ability, characteristics such as low output impedance.For pattern matching algorithm, can use bimodulus plate and two-stage end-point detecting method, can improve discrimination and robustness effectively.
See also Fig. 2 and shown in Figure 3 again, the method that the above-mentioned digital media adaptor of this use is carried out the voice control operation may further comprise the steps:
(1) system carries out initialization operation;
(2) system judges in default time-out time whether receive infrared remote-controlled signal by the infrared remote-controlled signal load module, and this default time-out time is 30 seconds;
(3) if receive, then system enters the infrared remote control state of a control, and carries out subsequent treatment;
(4) if do not receive, then system enters the voice state of a control;
(5) system judges in the user profile thesaurus whether be empty;
(6) if empty, then system carries out the foundation in userspersonal information storehouse and the operational processes of voice training, and this operational processes may further comprise the steps:
(a) relative users personal information storehouse is created by system in the user profile thesaurus;
(b) in this information bank, deposit this user's relevant information in, comprise user's name, sex, languages;
(c) system judges whether the user will carry out voice training;
(d) if not, then with the voice messaging in the Default sound storehouse as the voice messaging in this user's the personal information storehouse;
(e) if then system receives user's voice information by voice input module;
(f) system carries out digital-to-analog conversion processing operation by D/A converter module to received user's voice information;
(g) system carries out noise filtering and the processing that amplifies by sound identification module to voice messaging, and carries out optimized Algorithm and handle;
(h) voice messaging is carried out pattern matching algorithm and handle, this pattern matching algorithm is bimodulus plate algorithm or two-stage end-point detection algorithm;
(i) will deposit in this user's the personal information storehouse through the voice messaging after the above-mentioned processing;
(7) if not sky, then system wait receives the voice messaging that the user selects the personal information storehouse by voice input module;
(8) system carries out digital-to-analog conversion processing operation by D/A converter module to received user's voice information, and this processing operation may further comprise the steps:
(a) the user's voice signal is changed into digital sampled signal;
(b) above-mentioned digital sampled signal is converted to audio analog signals and output;
(9) system judges by sound identification module whether corresponding voice messaging is consistent with selected personal information storehouse, and this decision operation may further comprise the steps:
(a) this voice messaging is carried out noise filtering and the processing that amplifies, and carry out optimized Algorithm and handle;
(b), above-mentioned voice messaging is carried out pattern matching algorithm handle in conjunction with the corresponding voice messaging of storing in the corresponding personal information storehouse;
(c) if the pattern match result is normal, then return the result that voice messaging is consistent; Otherwise, return the inconsistent result of voice messaging;
(10) if not, then system carries out the foundation in userspersonal information storehouse and the operational processes of voice training, and its operation process is same as described above;
(11) if then load corresponding userspersonal information storehouse;
(12) system receives the user's voice order by voice input module;
(13) system carries out digital-to-analog conversion processing operation by D/A converter module to received user's voice information;
(14) system carries out the identification of relative users voice command and handles operation by sound identification module, voice suggestion and audio playback functional module and system control module, and this identification and processing operation may further comprise the steps:
(a) system carries out noise filtering and the processing that amplifies by sound identification module to this voice messaging, and carries out optimized Algorithm and handle;
(b) system in conjunction with corresponding personal information storehouse, analyzes and identifies the corresponding command of representative by sound identification module to the user's voice command signal;
(c) system operates by voice suggestion and audio playback functional module prompting user and institute's recognizing voice is responded;
(d) system becomes the control corresponding operation signal by system control module with the command conversion that identifies, and finishes this function by operating corresponding digital media device.
In the middle of practical application, when system works on power, at first enter system's initial stage, remote control can occur and select to wait for the interface, if the user presses any key of telepilot at this moment, promptly enter the telepilot state of a control, if do not do any telepilot operation in the stand-by period, overtime after 30 seconds, then enter sound control interface automatically, and wait for that the user selects user information database, perhaps use the default information storehouse.If the user profile of no any reservation then directly points out the user to set up new customer data base in the system, if existing subscriber's information in the system, then the voice suggestion user selects corresponding customer data base
For the user of first use, DMA will set up people's voice messaging storehouse one by one for it, wherein store some relevant informations (sex, voice messaging etc.) of this user.The user can select to carry out voice training or skip, though system also has the speech database of a cover acquiescence, but system will recommend the first user who uses to use the voice training system, can make DMA obtain better speech recognition capabilities like this, make the user carry out voice control to DMA better.
For the voice training system, the user can carry out in any start.Because DMA is mainly wireless connections, so DMA can place arbitrarily.In the acoustic control DMA built-in microphone is arranged, need record DMA.Mainly realize jointly and overcome environmental interference by hardware and software, hardware using be electret microphone with prime amplifier because it has high-gain, strong noise suppresses ability, characteristics such as low output impedance; In addition for fear of in recording, the interference that the sound generating of sending in user's sound and the TV is mutual, DMA is possessed concentrate the function of handling it at the sound of certain direction, because the sound that the user sends is to have certain directivity, so can acquire sound arrester at the back side of built-in electret microphone, DMA just can be to from televisor like this, and just the sound at the DMA back side is made isolation, reduces the generation of voice training error.For software section pattern matching algorithm just, can use bimodulus plate and two-stage end-point detecting method, can improve discrimination and robustness effectively.
Select the form of user information database: user information database is named with any English character.As Jack, Mike etc.Since system can accept only for single English character, so the user should read the single English alphabet of forming this English name when selecting information bank one by one, for example: for Jack, should be when the user reads: J, A, C, K; When the user send phonetic order as " phonetic entry finishes ", or in user 15 seconds no any voice operating, then voice activated control enters dormant state automatically.When the user need import phonetic order once more, only need say specific named once more, as " phonetic entry begins " then system will recover the phonetic entry state automatically, and the program that play this moment will be muted, this moment, the user can import phonetic order once more.
Sound control DMA supports the speech control system of multi-language version.Main Chinese and English order at present has: play (broadcast), stop (stopping), pause (time-out), main menu (master menu), video (video), audio (audio frequency), photo (picture), enter (entering), back (withdrawing from), up (making progress), down (downwards), left (left), right (to the right), play mode, (repeat one, repeat all, normal etc.), out of order broadcast (shuffle), (the page up of page turning up and down, pagedown), F.F. X is speed (fast-forward) doubly, slow-motion X is speed (slow-motion) doubly, rewind down X is speed (rewind) doubly, (numeral is used for importing the IP address to 0～9 numeral, gateway etc., for example: 192.168.1.22,255.255.255.0 etc.), 26 letters etc. have just no longer itemized out here.According to the DMA with difference in functionality, phonetic order also can be different.
Above-mentioned digital media adaptor with voice control function and sound control method thereof have been adopted, because adding in the main frame of digital media adaptor DMA has voice to accept control device, and user's various voice commands accurately can be discerned and are converted to the system operation instruction, thereby realized corresponding operating to digital media device, not only exempted complicated telepilot operation, and made things convenient for handicapped physical disabilities on many limbs, make them not need the manual operations function that just can realize among the DMA; Simultaneously can also set up the different userspersonal information storehouses that records voice messaging according to different users, and can carry out speech recognition training in the using system first the user, not only system extension is stronger, and increased the accuracy of speech recognition, support multilingual simultaneously, use-pattern is flexibly and fast convenient, the operation interface close friend, and system extension is stronger; Moreover, the stable and reliable working performance of digital media adaptor of the present invention and method thereof, applicable surface is comparatively extensive, for applying of digital multimedia technology brings great convenience.
In this instructions, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (11)
1, a kind of digital media adaptor with voice control function, comprise digital media adaptor inner function circuit and infrared remote-controlled signal load module, this digital media adaptor is connected with digital media device, it is characterized in that, also comprise voice input module in the described digital media adaptor, D/A converter module, sound identification module, voice suggestion and audio playback functional module, user profile thesaurus and system control module, described voice input module passes through D/A converter module successively, sound identification module, voice suggestion is connected with described system control module with the audio playback functional module, described infrared remote-controlled signal load module is connected with described system control module, and described user profile thesaurus is connected with described sound identification module.
2, the digital media adaptor with voice control function according to claim 1 is characterized in that, described voice input module is the electret microphone with prime amplifier.
3, the digital media adaptor with voice control function according to claim 2 is characterized in that, the back side of described electret microphone is installed on sound arrester.
4, a kind of method of using the described digital media adaptor of claim 1 to carry out the voice control operation is characterized in that described method may further comprise the steps:
(1) system carries out initialization operation;
(2) system judges in default time-out time whether receive infrared remote-controlled signal by the infrared remote-controlled signal load module;
(3) if receive, then system enters the infrared remote control state of a control, and carries out subsequent treatment;
(4) if do not receive, then system enters the voice state of a control;
(5) system judges in the user profile thesaurus whether be empty;
(6) if empty, then system carries out the foundation in userspersonal information storehouse and the operational processes of voice training;
(7) if not sky, then system wait receives the voice messaging that the user selects the personal information storehouse by voice input module;
(8) system carries out digital-to-analog conversion processing operation by D/A converter module to received user's voice information;
(9) system judges by sound identification module whether corresponding voice messaging is consistent with selected personal information storehouse;
(10) if not, then system carries out the foundation in userspersonal information storehouse and the operational processes of voice training;
(11) if then load corresponding userspersonal information storehouse;
(12) system receives the user's voice order by voice input module;
(13) system carries out digital-to-analog conversion processing operation by D/A converter module to received user's voice information;
(14) system carries out the identification of relative users voice command and handles operation by sound identification module, voice suggestion and audio playback functional module and system control module.
5, method of carrying out the voice control operation of digital media adaptor according to claim 4 is characterized in that, described default time-out time is 30 seconds.
6, method of carrying out the voice control operation of digital media adaptor according to claim 4 is characterized in that, describedly carries out the foundation in userspersonal information storehouse and the operational processes of voice training may further comprise the steps:
(1) relative users personal information storehouse is created by system in the user profile thesaurus;
(2) in this information bank, deposit this user's relevant information in;
(3) system judges whether the user will carry out voice training;
(4) if not, then with the voice messaging in the Default sound storehouse as the voice messaging in this user's the personal information storehouse;
(5) if then system receives user's voice information by voice input module;
(6) system carries out digital-to-analog conversion processing operation by D/A converter module to received user's voice information;
(7) system carries out noise filtering and the processing that amplifies by sound identification module to voice messaging, and carries out optimized Algorithm and handle;
(8) voice messaging being carried out pattern matching algorithm handles;
(9) will deposit in through the voice messaging after the above-mentioned processing in this user's the personal information storehouse.
7, method of carrying out the voice control operation of digital media adaptor according to claim 6 is characterized in that described user's relevant information comprises user's name, sex, languages.
8, method of carrying out the voice control operation of digital media adaptor according to claim 6 is characterized in that, described pattern matching algorithm is bimodulus plate algorithm or two-stage end-point detection algorithm.
According to each described method of carrying out the voice control operation of digital media adaptor in the claim 4 to 8, it is characterized in that 9, described digital-to-analog conversion is handled operation and be may further comprise the steps:
(1) the user's voice signal is changed into digital sampled signal;
(2) above-mentioned digital sampled signal is converted to audio analog signals and output.
10, according to each described method of carrying out the voice control operation of digital media adaptor in the claim 4 to 8, it is characterized in that, describedly judge whether corresponding voice messaging is consistent with selected personal information storehouse and may further comprise the steps:
(1) this voice messaging is carried out noise filtering and the processing that amplifies, and carry out optimized Algorithm and handle;
(2), above-mentioned voice messaging is carried out pattern matching algorithm handle in conjunction with the corresponding voice messaging of storing in the corresponding personal information storehouse;
(3) if the pattern match result is normal, then return the result that voice messaging is consistent; Otherwise, return the inconsistent result of voice messaging.
According to each described method of carrying out the voice control operation of digital media adaptor in the claim 4 to 8, it is characterized in that 11, the identification of described relative users voice command and processing operation may further comprise the steps:
(1) system carries out noise filtering and the processing that amplifies by sound identification module to this voice messaging, and carries out optimized Algorithm and handle;
(2) system in conjunction with corresponding personal information storehouse, analyzes and identifies the corresponding command of representative by sound identification module to the user's voice command signal;
(3) system operates by voice suggestion and audio playback functional module prompting user and institute's recognizing voice is responded;
(4) system becomes the control corresponding operation signal by system control module with the command conversion that identifies, and finishes this function by operating corresponding digital media device.
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| CN102520789A (en) * | 2011-11-18 | 2012-06-27 | 上海聚力传媒技术有限公司 | Method and equipment for realizing voice control of controlled equipment |
| CN102527039A (en) * | 2010-12-30 | 2012-07-04 | 德信互动科技（北京）有限公司 | Sound effect control device and method |
| CN102651687A (en) * | 2011-02-25 | 2012-08-29 | 北京同方微电子有限公司 | Intelligent cipher key for voice recognition of online transaction |
| CN102842307A (en) * | 2012-08-17 | 2012-12-26 | 鸿富锦精密工业（深圳）有限公司 | Electronic device utilizing speech control and speech control method of electronic device |
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| CN103135751A (en) * | 2011-11-30 | 2013-06-05 | 北京德信互动网络技术有限公司 | Intelligent electronic device and voice control method based on voice control |
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| CN102651687A (en) * | 2011-02-25 | 2012-08-29 | 北京同方微电子有限公司 | Intelligent cipher key for voice recognition of online transaction |
| CN102520789A (en) * | 2011-11-18 | 2012-06-27 | 上海聚力传媒技术有限公司 | Method and equipment for realizing voice control of controlled equipment |
| CN103135751A (en) * | 2011-11-30 | 2013-06-05 | 北京德信互动网络技术有限公司 | Intelligent electronic device and voice control method based on voice control |
| CN102842307A (en) * | 2012-08-17 | 2012-12-26 | 鸿富锦精密工业（深圳）有限公司 | Electronic device utilizing speech control and speech control method of electronic device |
| CN103632669A (en) * | 2012-08-20 | 2014-03-12 | 上海闻通信息科技有限公司 | A method for a voice control remote controller and a voice remote controller |
| CN102973404A (en) * | 2012-11-26 | 2013-03-20 | 周裕佳 | Sauna room or far infrared sauna room and controlling process thereof |
| CN103839547A (en) * | 2012-11-27 | 2014-06-04 | 英业达科技有限公司 | System for loading corresponding instruction elements by comparing voice operation signals and method thereof |
| CN104713148A (en) * | 2013-12-17 | 2015-06-17 | 安波 | Voice control system for smoke ventilator |
| CN105629750A (en) * | 2015-10-29 | 2016-06-01 | 东莞酷派软件技术有限公司 | Smart home control method and system |
| CN106162254A (en) * | 2016-06-30 | 2016-11-23 | 深圳市九洲电器有限公司 | A kind of user speech analyzes method and system |
| CN106054583A (en) * | 2016-07-19 | 2016-10-26 | 柳州六品科技有限公司 | Bracelet type wireless alarm wake-up device |
| CN107580251A (en) * | 2017-09-15 | 2018-01-12 | 孙凤兰 | The adaptively selected system of information input mode |
| CN107580251B (en) * | 2017-09-15 | 2018-09-21 | 南京陶特思软件科技有限公司 | The adaptively selected system of information input mode |
| CN108444495A (en) * | 2017-11-02 | 2018-08-24 | 环达电脑(上海)有限公司 | Onboard navigation system and its method that vehicle mounted guidance information is provided |
| CN112164389A (en) * | 2020-09-18 | 2021-01-01 | 国营芜湖机械厂 | Multi-mode speech recognition calling device and control method thereof |
| CN112164389B (en) * | 2020-09-18 | 2023-06-02 | 国营芜湖机械厂 | Multi-mode voice recognition speech transmitting device and control method thereof |
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