CN205247684U - Speech recognition system based on keyword - Google Patents
Speech recognition system based on keyword Download PDFInfo
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- CN205247684U CN205247684U CN201521062719.4U CN201521062719U CN205247684U CN 205247684 U CN205247684 U CN 205247684U CN 201521062719 U CN201521062719 U CN 201521062719U CN 205247684 U CN205247684 U CN 205247684U
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Abstract
The utility model relates to a speech recognition system based on keyword, including user terminal and thing networking experiment mainboard, wherein: user terminal is including the voice acquisition module, terminal processor and the radio communication unit that connect gradually, the last storage module that still is connected with of terminal processor, be provided with the wireless transceiver circuit, microprocessor, the pronunciation that connect gradually go to make an uproar module and speech recognition module on the thing networking experiment mainboard, the speech recognition module still with microprocessor is connected, last display module and the memory of still being connected with of microprocessor, the radio communication unit with wireless transceiver circuit wireless connection. The utility model relates to a science, simple structure can be used for carrying on the experiment of thing networking speech recognition, networks to the thing through user terminal wireless transmission speech information and tests the wireless transceiver circuit on the mainboard, then carry out the speech recognition experiment, makes things convenient for the experimenter to master the basic principle and the relevant knowledge of speech recognition device.
Description
Technical field
The utility model belongs to speech recognition equipment technical field, is specifically related to a kind of voice based on keywordRecognition system.
Background technology
Speech recognition technology is a current more popular technology, is also one of focus in technology of Internet of things.In current Internet of Things teaching equipment, also there is the experimental provision of speech recognition. But, conventional Internet of ThingsSpeech recognition experimental provision design in teaching equipment is comparatively simple, just all devices is arranged on to Internet of ThingsOn brassboard, experiment method is also comparatively single, can not carry out wireless experiment, can not allow well experimenter slapHold general principle and the relevant knowledge of speech recognition equipment, can not meet the needs of current Internet of Things teaching.
Utility model content
For above-mentioned problems of the prior art, the purpose of this utility model is to provide one to avoidThere is the speech recognition system based on keyword of above-mentioned technological deficiency.
In order to realize above-mentioned utility model object, the technical solution adopted in the utility model is as follows:
Based on a speech recognition system for keyword, comprise user terminal and Internet of Things experiment mainboard, wherein:
Described user terminal comprises the voice acquisition module, terminal handler and the wireless communication unit that connect successively,On described terminal handler, be also connected with memory module;
On described Internet of Things experiment mainboard, be provided with the wireless transceiver circuit, microprocessor, the voice that connect successivelyDenoising module and sound identification module, described sound identification module is also connected with described microprocessor, described inOn microprocessor, be also connected with display module and memory;
Described wireless communication unit and described wireless transceiver circuit wireless connections.
Further, on described Internet of Things experiment mainboard, be also provided with power module, described power module respectivelyWith described microprocessor, display module, wireless transceiver circuit, speech de-noising module, sound identification module andMemory is connected.
Further, described user terminal is mobile phone or notebook computer.
Further, described microprocessor is CC2530 chip or CC2540 chip or single-chip microcomputer.
Further, described sound identification module is WT7010 voice recognition chip.
Further, described speech de-noising module is WT588D voice de-noising chip or QNC260 circuit module.
Further, described display module comprises the LED lamp and the buzzing that are connected with described microprocessor respectivelyDevice.
The speech recognition system based on keyword that the utility model provides, design science, simple in structure, canFor carrying out Internet of Things speech recognition experiment, transmit wirelessly voice messaging by user terminal real to Internet of ThingsTest the wireless transceiver circuit on mainboard, then carry out speech recognition experiment, facilitate experimenter to grasp speech recognitionThe general principle of technology and relevant knowledge, can meet the needs of practical application well.
Brief description of the drawings
Fig. 1 is circuit structure block diagram of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawingWith specific embodiment, the utility model is described further. Should be appreciated that concrete enforcement described hereinExample is only in order to explain the utility model, and is not used in restriction the utility model.
As shown in Figure 1, a kind of speech recognition system based on keyword, comprises that user terminal and Internet of Things are realTest mainboard, wherein:
Described user terminal comprises the voice acquisition module, terminal handler and the wireless communication unit that connect successively,On described terminal handler, be also connected with memory module;
On described Internet of Things experiment mainboard, be provided with the wireless transceiver circuit, microprocessor, the voice that connect successivelyDenoising module and sound identification module, described sound identification module is also connected with described microprocessor, described inOn microprocessor, be also connected with display module and memory;
Described wireless communication unit and described wireless transceiver circuit wireless connections.
On described Internet of Things experiment mainboard, be also provided with power module, described power module respectively with described micro-placeReason device, display module, wireless transceiver circuit, speech de-noising module, sound identification module are connected with memoryConnect.
Described user terminal is mobile phone or notebook computer.
Described microprocessor is CC2530 chip or CC2540 chip or single-chip microcomputer.
Described sound identification module is WT7010 voice recognition chip.
Described speech de-noising module is WT588D voice de-noising chip or QNC260 circuit module.
Described display module comprises the LED lamp and the buzzer that are connected with described microprocessor respectively.
First by user terminal to storage key sound template in microprocessor, user sends voiced keyword,By voice acquisition module, this keyword voice messaging is sent to terminal handler, terminal handler passes through nothingLine communication unit sends to wireless transceiver circuit, then sends to microprocessor by wireless transceiver circuit, then by micro-Processor sends to speech de-noising module to carry out sending to sound identification module after denoising, in speech recognitionIn module, store as keyword sound template; Then, in use, voice acquisition module will gatherTo voice messaging data send in terminal handler, terminal handler stores these voice messaging data intoIn memory module, and send to wireless transceiver circuit by wireless communication unit, wireless transceiver circuit will receiveTo data send to microprocessor, voice messaging data are sent to speech de-noising module by microprocessor carries outAfter denoising, then by speech de-noising module, the information data after denoising is sent to sound identification module,Sound identification module is identified voice messaging data, and compares with the keyword sound template of storage,Then comparison result is sent to microprocessor, microprocessor shows comparison result by display module,If keyword voice messaging comparison is correct, light, the buzzer of the LED lamp of display module sounds, no, display module can not show.
The speech recognition system based on keyword that the utility model provides, design science, simple in structure, canFor carrying out Internet of Things speech recognition experiment, transmit wirelessly voice messaging by user terminal real to Internet of ThingsTest the wireless transceiver circuit on mainboard, then carry out speech recognition experiment, facilitate experimenter to grasp speech recognitionThe general principle of technology and relevant knowledge, can meet the needs of practical application well.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed,But can not therefore be interpreted as the restriction to the utility model the scope of the claims. It should be pointed out that for thisThe those of ordinary skill in field, without departing from the concept of the premise utility, if can also makeDry distortion and improvement, these all belong to protection domain of the present utility model. Therefore, the utility model patentProtection domain should be as the criterion with claims.
Claims (7)
1. the speech recognition system based on keyword, is characterized in that, comprises user terminal and Internet of ThingsExperiment mainboard, wherein:
Described user terminal comprises the voice acquisition module, terminal handler and the wireless communication unit that connect successively,On described terminal handler, be also connected with memory module;
On described Internet of Things experiment mainboard, be provided with the wireless transceiver circuit, microprocessor, the voice that connect successivelyDenoising module and sound identification module, described sound identification module is also connected with described microprocessor, described inOn microprocessor, be also connected with display module and memory;
Described wireless communication unit and described wireless transceiver circuit wireless connections.
2. the speech recognition system based on keyword according to claim 1, is characterized in that, described inOn Internet of Things experiment mainboard, be also provided with power module, described power module respectively with described microprocessor, aobviousShow that module, wireless transceiver circuit, speech de-noising module, sound identification module are connected with memory.
3. the speech recognition system based on keyword according to claim 1, is characterized in that, described inUser terminal is mobile phone or notebook computer.
4. the speech recognition system based on keyword according to claim 1, is characterized in that, described inMicroprocessor is CC2530 chip or CC2540 chip or single-chip microcomputer.
5. the speech recognition system based on keyword according to claim 1, is characterized in that, described inSound identification module is WT7010 voice recognition chip.
6. the speech recognition system based on keyword according to claim 1, is characterized in that, described inSpeech de-noising module is WT588D voice de-noising chip or QNC260 circuit module.
7. the speech recognition system based on keyword according to claim 1, is characterized in that, described inDisplay module comprises the LED lamp and the buzzer that are connected with described microprocessor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062719.4U CN205247684U (en) | 2015-12-17 | 2015-12-17 | Speech recognition system based on keyword |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062719.4U CN205247684U (en) | 2015-12-17 | 2015-12-17 | Speech recognition system based on keyword |
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| Publication Number | Publication Date |
|---|---|
| CN205247684U true CN205247684U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521062719.4U Expired - Fee Related CN205247684U (en) | 2015-12-17 | 2015-12-17 | Speech recognition system based on keyword |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022593A (en) * | 2018-01-16 | 2018-05-11 | 成都福兰特电子技术股份有限公司 | A kind of high sensitivity speech recognition system and its control method |
-
2015
- 2015-12-17 CN CN201521062719.4U patent/CN205247684U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022593A (en) * | 2018-01-16 | 2018-05-11 | 成都福兰特电子技术股份有限公司 | A kind of high sensitivity speech recognition system and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20161217 |