CN202404893U - Voice control system - Google Patents
Voice control system Download PDFInfo
- Publication number
- CN202404893U CN202404893U CN2011205384847U CN201120538484U CN202404893U CN 202404893 U CN202404893 U CN 202404893U CN 2011205384847 U CN2011205384847 U CN 2011205384847U CN 201120538484 U CN201120538484 U CN 201120538484U CN 202404893 U CN202404893 U CN 202404893U
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- digital
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- digital signal
- control system
- signal
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Abstract
The utility model provides a voice control system, which comprises a microphone for inputting an audio signal, a computing amplifier for amplifying the audio signal inputted by the microphone, an anti-aliasing filter for filtering the audio signal amplified by the computing amplifier, an analog-digital (A/D) converter for performing analog-to-digital conversion on the filtered signal, a digital signal processing control core for processing and identifying a digital signal outputted by the A/D converter and a microprogrammed control unit (MCU) for receiving processing identification results of the digital signal processing control core, wherein the MCU controls an execution mechanism to perform corresponding control action according to the corresponding identification results. According to the voice control system, the complex voice signal can be quickly computed by using the digital signal processing control core; and the voice control system is high in identification accuracy and simple in structure.
Description
Technical field
The utility model relates to electronics art field, and a kind of speech control system is provided.
Background technology
Along with the continuous development of science and technology, various voice control technologys and device continue to bring out, generally in recent years; The voice control procedure is divided into basically: parts such as voice collecting, speech recognition, voice command generation, the transmission of voice control signal, control action execution; Wherein most critical and difficulty is exactly speech recognition, because the complicacy of voice signal, speech recognition often need be carried out a large amount of computings; To the travelling speed of hardware and storage capacity requirement than higher; The utility model adopts digital signal processing control core can be fast the voice signal of complicacy to be carried out processing operations, and accuracy of identification is high, simple in structure.
The utility model content
The purpose of the utility model is to provide a kind of accuracy of identification high, speech control system simple in structure.
The utility model is for realizing that above-mentioned purpose adopts following technical scheme:
A kind of speech control system; It is characterized in that: comprise the microphone that is used for sound signal input, be used to amplify the sound signal of microphone input operational amplifier, be used for the sound signal after amplifying through operational amplifier carry out the anti-aliasing filter of filtering wave filter, be used for carry out analog-to-digital A/D converter through filtered signal, be used for the digital signal of A/D converter output carry out processing and identification digital signal processing control core, be used for the MCU of receiving digital signals processing controls core processing recognition result, said MCU makes corresponding control action to corresponding recognition result control executing mechanism;
Also comprise the SRAM that is used to deposit the Flash storer of masterplate data and is used to deposit ephemeral data, said Flash all is connected with digital signal processing control core with SRAM;
Also being included as total system provides the power module of power supply.
The utlity model has following beneficial effect:
The utility model adopts digital signal processing control core can be fast the voice signal of complicacy to be carried out processing operations, and accuracy of identification is high, simple in structure.
Description of drawings
Fig. 1 is the system construction drawing of the utility model.
Embodiment
A kind of speech control system; It is characterized in that: comprise the microphone that is used for sound signal input, be used to amplify the sound signal of microphone input operational amplifier, be used for the sound signal after amplifying through operational amplifier carry out the anti-aliasing filter of filtering wave filter, be used for carry out analog-to-digital A/D converter through filtered signal, be used for the digital signal of A/D converter output carry out processing and identification digital signal processing control core, be used for the MCU of receiving digital signals processing controls core processing recognition result, said MCU makes corresponding control action to corresponding recognition result control executing mechanism;
Also comprise the SRAM that is used to deposit the Flash storer of masterplate data and is used to deposit ephemeral data, said Flash all is connected with digital signal processing control core with SRAM;
Also being included as total system provides the power module of power supply.
Claims (1)
1. speech control system; It is characterized in that: comprise the microphone that is used for sound signal input, be used to amplify the sound signal of microphone input operational amplifier, be used for the sound signal after amplifying through operational amplifier carry out the anti-aliasing filter of filtering wave filter, be used for carry out analog-to-digital A/D converter through filtered signal, be used for the digital signal of A/D converter output carry out processing and identification digital signal processing control core, be used for the MCU of receiving digital signals processing controls core processing recognition result, said MCU makes corresponding control action to corresponding recognition result control executing mechanism;
Also comprise the SRAM that is used to deposit the Flash storer of masterplate data and is used to deposit ephemeral data, said Flash all is connected with digital signal processing control core with SRAM;
Also being included as total system provides the power module of power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205384847U CN202404893U (en) | 2011-12-21 | 2011-12-21 | Voice control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205384847U CN202404893U (en) | 2011-12-21 | 2011-12-21 | Voice control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202404893U true CN202404893U (en) | 2012-08-29 |
Family
ID=46702525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205384847U Expired - Fee Related CN202404893U (en) | 2011-12-21 | 2011-12-21 | Voice control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202404893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700407A (en) * | 2016-04-25 | 2016-06-22 | 陈丽 | Sound signal acquisition and processing device |
-
2011
- 2011-12-21 CN CN2011205384847U patent/CN202404893U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700407A (en) * | 2016-04-25 | 2016-06-22 | 陈丽 | Sound signal acquisition and processing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20121221 |