CN107424603A - A kind of voice inverter of hearing disfluency disabled person - Google Patents
A kind of voice inverter of hearing disfluency disabled person Download PDFInfo
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- CN107424603A CN107424603A CN201710444603.4A CN201710444603A CN107424603A CN 107424603 A CN107424603 A CN 107424603A CN 201710444603 A CN201710444603 A CN 201710444603A CN 107424603 A CN107424603 A CN 107424603A
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- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 abstract description 3
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- 238000001514 detection method Methods 0.000 description 7
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/08—Speech classification or search
- G10L15/10—Speech classification or search using distance or distortion measures between unknown speech and reference templates
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
- G10L25/54—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination for retrieval
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/221—Announcement of recognition results
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- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
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- Acoustics & Sound (AREA)
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Abstract
The invention discloses a kind of voice inverter of hearing disfluency disabled person, including speech processes DSP circuit, voice A/D sample circuits, data storage flash circuits, jtag circuit, power circuit；The speech processes DSP circuit is used for speech processes；The voice A/D sample circuits are used for speech signal collection；The data storage flash circuits are used for the data of system software after storage compiling；The speech processes DSP circuit is connected with voice A/D sample circuits respectively, the connection of data storage flash circuits, power circuit, jtag circuit.The present invention provides a kind of voice inverter of hearing disfluency disabled person, APP programs pass through sampling, form the speech model storehouse of specific disabled person, then the voice that sampling pickup is come in is mixed unclear, after being compared with the speech model storehouse of formation, this sound is translated as to the mandarin of standard, and exported with specific boy student or schoolgirl by equipment.
Description
Technical field
The present invention relates to voice inverter, and in particular to a kind of voice inverter of hearing disfluency disabled person.
Background technology
Voice processing technology is one of core technology in the Human Machine Interface of Multimodal interaction of future generation.With consumption
Quick increase of the electronic product kind for high-performance, high robustness speech interface demand, embedded speech processing are fast-developing.
Embedded speech processing system is typically based on the chip solutions such as LSI, MCU, DSP on hardware, using speech recognition, short on software
When the technology such as analysis, phonetic synthesis, end-point detection, feature extraction, can apply to multiple necks such as handheld device, intelligent appliance
Domain, assign the interactive mode of these equipment hommizations and convenient application method；It can also be applied in intelligence development class product, such as
Voice-control toy, language teaching device；It can also be applied to realize man-machine communication in mobile unit, there is provided safely, conveniently, efficiently
Operating and controlling interface.
The content of the invention
It is an object of the invention to provide a kind of voice inverter of hearing disfluency disabled person to solve ambiguous,
Ordinary people is difficult to recognize, but has the Receiver Problem of the disabled voice signal of certain rule.The present invention can be by ambiguous, commonly
People is difficult to recognize, but is to have the disabled voice signal output of certain rule into normally clearly voice signal and by men and women certainly
Voice signal exports respectively.
To solve above-mentioned technical problem, the present invention uses following technical scheme：A kind of hearing disfluency disabled person's
Voice inverter, including speech processes DSP circuit, voice A/D sample circuits, data storage flash circuits, jtag circuit, electricity
Source circuit；The speech processes DSP circuit is used for speech processes；The voice A/D sample circuits are used for speech signal collection；Institute
State data storage flash circuits be used for store compiling after system software data, the speech processes DSP circuit respectively with voice
The connection of A/D sample circuits, the connection of data storage flash circuits, power circuit, jtag circuit.
Further technical scheme is that the main control chip of speech processes DSP circuit is TMS320VC5402 chips；It is described
The main control chip of voice A/D sample circuits is TLC320AD50 chips；The main control chip of the data storage flash circuits is
SN74LVTH16245 chips；The main control chip of the power circuit is TPS767D318 chips.
Further technical scheme is that the main control chip of speech processes DSP circuit is TMS320VC5402 chips；It is described
The main control chip of voice A/D sample circuits is TLC320AD50 chips；The main control chip of the data storage flash circuits is
SN74LVTH16245 chips；The main control chip of the power circuit is TPS767D318 chips.
Further technical scheme is DR0 pins, DX0 pins, the TOUT0 of main control chip TMS320VC5402 chips
DOUT pins, DIN pins, the MCLK that pin, CLKR0 pins, FRX0 pins, XF pins connect the TLC320AD50 chips draw
Pin, SCLK pins, FS pins, FC pins, the REEP pins connection electric capacity C52 of the TLC320AD50 chips, electric capacity C52's is another
One end connects the REEM pins of TLC320AD50 chips, the FILT pins connection electric capacity C55 of the TLC320AD50 chips, described
The AVDD ends connection electric capacity C53 of TLC320AD50 chips, electric capacity C51, the electric capacity C53, electric capacity C51 other end ground connection, institute
State the connection of AVDD ends the electric capacity C51, electric capacity C51 of chip TLC320AD50 chips other end connection TLC320AD50 chips
AVSS ends, the AVSS ends connection ground of the TLC320AD50 chips, the DVSS ends connection electric capacity C54 of TLC320AD50 chips, electricity
Hold C54 other ends ground connection, the PWRDWN ends ground connection of the TLC320AD50 chips.
Further technical scheme is, the 1A [1 ∽ 4] of SN74LVTH16245 chips, 2A [1 ∽ 4], 3A [1 ∽ 4],
DSP_A [15 ∽ 0] pin of 4A [1 ∽ 4] connection TMS320VC5402 chips, 1Y [1 ∽ of the SN74LVTH16245 chips
4] pin, 2Y [1 ∽ 4] pin, 3Y [1 ∽ 4] pin, the BDSP_A of 4Y [1 ∽ 4] pin connection TMS320VC5402 chips
[15 ∽ 0] pin, the DSP_OEN of OE [1 ∽ 4] the connection TMS320VC5402 chips of the SN74LVTH16245 chips draw
Pin.
Further technical scheme is that SN74LS373 D [1 ∽ 8] pin connects TMS320VC5402 chips
BDSP_D [0 ∽ 6] pin.
Further technical scheme is 1IN pins connection electric capacity C1, electric capacity C2, the electric capacity C3 of TPS767D318 chips
Circuit in parallel, other end ground connection electric capacity C1, electric capacity C2, electric capacity C3 in parallel, the 2IN pins of the TPS767D318 chips connect
Connect 5V power supplys, the other end connection resistance R1 of 5V power supplys, resistance R1 series diode D1, diode the D1 other end ground connection；It is described
The 1OUT ends connection 1.8V power supplys of TPS767D318 chips, other end connection electric capacity C7 and Xiao Te the diode D2 of 1.8V power supplys,
Electric capacity C7 other end ground connection, the other end of Xiao Te diodes connects the 2OUT pins of the TPS767D318 chips, described
The 2OUT pins connection 3.3V power supplys of TPS767D318 chips, the 2OUT pins connection electric capacity C5 of the TPS767D318 chips,
Circuit and 3.3V power supplys in parallel electric capacity C6.
A kind of audio recognition method of the voice inverter of hearing disfluency disabled person, comprises the steps：
Step 1：Startup power supply circuit；
Step 2：A/D sample circuits gather voice signal；
Step 3：The voice signal that step 2 is collected is input to speech processes DSP circuit;
Step 4：Speech processes DSP circuit carries out preemphasis, framing adding window, short-time energy by jtag circuit to voice signal
Detection, zero-crossing rate detection, end-point detection, 12 rank cepstrum coefficients, 12 difference cepstrum coefficients, at 12 differential power Coefficient Algorithms
Reason, obtains clearly voice signal, and tell men and women's voice signal；
Step 5：Data Cun Chudao flash circuits are arrived into the storage of men and women's voice signal.
Compared with prior art, beneficial effects of the present invention are at least one of following：
1）Main control chip from speech processes DSP circuit is TMS320VC5402 chips, and its internal structure is by 16 fixed points
DSP, possess a program bus and three data buses, the features such as integrated level is high, it is possible to achieve the sampling of voice is calculated with corresponding
Method model, voice respective handling will be realized.
2）Speech processes DSP circuit connects voice A/D sample circuits, and short-time analysis, the end points inspection of voice signal can be achieved
Survey, feature extraction and HMM speech recognition related algorithms, realize that, to voice ambiguous, ordinary people is difficult to the voice recognized, passes through
Program samples, form the speech model storehouse of specific disabled person, then by sample pickup come in voice mix it is unclear, with formation
After speech model storehouse compares, this sound is translated as to the mandarin of standard, and it is defeated by equipment with specific boy student or schoolgirl
Go out.
3）Data storage flash circuits are added, the data Cun Chudao data storage flash circuits that will can be collected
The inside.
Brief description of the drawings
Fig. 1 is a kind of a kind of hardware block diagram of hearing of the voice inverter of hearing disfluency disabled person of the present invention.
Fig. 2 is a kind of voice A/D sample circuits of the voice inverter of hearing disfluency disabled person of the present invention.
Fig. 3 is a kind of data storage flash circuits of the voice inverter of hearing disfluency disabled person of the present invention.
Fig. 4 is a kind of jtag circuit of the voice inverter of hearing disfluency disabled person of the present invention.
Fig. 5 is a kind of power circuit of the voice inverter of hearing disfluency disabled person of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Case study on implementation 1
Fig. 1 to Fig. 5 is shown：A kind of voice inverter of hearing disfluency disabled person, including speech processes DSP circuit, language
Sound A/D sample circuits, data storage flash circuits, jtag circuit, power circuit；The speech processes DSP circuit is used for voice
Processing；The voice A/D sample circuits are used for speech signal collection；The data storage flash circuits are used for after storing compiling
The data of system software, the speech processes DSP circuit is connected with voice A/D sample circuits respectively, data storage flash electricity
Road, power circuit, jtag circuit connection.
The main control chip of speech processes DSP circuit is TMS320VC5402 chips；The master control of the voice A/D sample circuits
Chip is TLC320AD50 chips；The main control chip of the data storage flash circuits is SN74LVTH16245 chips；It is described
The main control chip of power circuit is TPS767D318 chips.
The main control chip of speech processes DSP circuit is TMS320VC5402 chips；The master control of the voice A/D sample circuits
Chip is TLC320AD50 chips；The main control chip of the data storage flash circuits is SN74LVTH16245 chips；It is described
The main control chip of power circuit is TPS767D318 chips.
DR0 pins, DX0 pins, TOUT0 pins, CLKR0 pins, the FRX0 of main control chip TMS320VC5402 chips draw
Pin, XF pins connect DOUT pins, DIN pins, MCLK pins, SCLK pins, FS pins, the FC of the TLC320AD50 chips
Pin, the connection of REEP pins the electric capacity C52, electric capacity C52 of the TLC320AD50 chips other end connection TLC320AD50 cores
The REEM pins of piece, FILT pins connection the electric capacity C55, the AVDD of the TLC320AD50 chips of the TLC320AD50 chips
End connection electric capacity C53, electric capacity C51, the electric capacity C53, electric capacity C51 other end ground connection, the chip TLC320AD50 chips
AVDD ends connection electric capacity C51, electric capacity C51 the other end connection TLC320AD50 chips AVSS ends, the TLC320AD50
The AVSS ends connection ground of chip, the DVSS ends connection electric capacity C54 of TLC320AD50 chips, electric capacity C54 other ends ground connection are described
The PWRDWN ends ground connection of TLC320AD50 chips.
The present embodiment is that the system is to carry out speech processes as processor by a DSP, and TLC320AD50 carries out language
Sound signal gathers, and after collecting voice signal, is handled in speech processes DSP circuit, obtains required voice signal, entirely
System brief and practical, stable performance, the low real-time of cost are good.
Case study on implementation 2
Fig. 1 to Fig. 5 is shown：A kind of voice inverter of hearing disfluency disabled person, including speech processes DSP circuit, language
Sound A/D sample circuits, data storage flash circuits, jtag circuit, power circuit；The speech processes DSP circuit is used for voice
Processing；The voice A/D sample circuits are used for speech signal collection；The data storage flash circuits are used for after storing compiling
The data of system software, the speech processes DSP circuit is connected with voice A/D sample circuits respectively, data storage flash electricity
Road, power circuit, jtag circuit connection.
The main control chip of speech processes DSP circuit is TMS320VC5402 chips；The master control of the voice A/D sample circuits
Chip is TLC320AD50 chips；The main control chip of the data storage flash circuits is SN74LVTH16245 chips；It is described
The main control chip of power circuit is TPS767D318 chips.
The main control chip of speech processes DSP circuit is TMS320VC5402 chips；The master control of the voice A/D sample circuits
Chip is TLC320AD50 chips；The main control chip of the data storage flash circuits is SN74LVTH16245 chips；It is described
The main control chip of power circuit is TPS767D318 chips.
DR0 pins, DX0 pins, TOUT0 pins, CLKR0 pins, the FRX0 of main control chip TMS320VC5402 chips draw
Pin, XF pins connect DOUT pins, DIN pins, MCLK pins, SCLK pins, FS pins, the FC of the TLC320AD50 chips
Pin, the connection of REEP pins the electric capacity C52, electric capacity C52 of the TLC320AD50 chips other end connection TLC320AD50 cores
The REEM pins of piece, FILT pins connection the electric capacity C55, the AVDD of the TLC320AD50 chips of the TLC320AD50 chips
End connection electric capacity C53, electric capacity C51, the electric capacity C53, electric capacity C51 other end ground connection, the chip TLC320AD50 chips
AVDD ends connection electric capacity C51, electric capacity C51 the other end connection TLC320AD50 chips AVSS ends, the TLC320AD50
The AVSS ends connection ground of chip, the DVSS ends connection electric capacity C54 of TLC320AD50 chips, electric capacity C54 other ends ground connection are described
The PWRDWN ends ground connection of TLC320AD50 chips.
1A [1 ∽ 4] pin, 2A [1 ∽ 4] pin, 3A [1 ∽ 4] pin, the 4A [1 ∽ 4] of SN74LVTH16245 chips
Pin connects DSP_A [15 ∽ 0] pin of TMS320VC5402 chips, and the 1Y [1 ∽ 4] of the SN74LVTH16245 chips draws
Pin, 2Y [1 ∽ 4] pin, 3Y [1 ∽ 4] pin, BDSP_A [15 ∽ of 4Y [1 ∽ 4] pin connection TMS320VC5402 chips
0] pin, the DSP_OEN pins of OE [1 ∽ 4] the connection TMS320VC5402 chips of the SN74LVTH16245 chips.
BDSP_D [0 ∽ 6] pin of SN74LS373 D [1 ∽ 8] pin connection TMS320VC5402 chips.
1IN pins connection electric capacity C1, electric capacity C2, the circuit of electric capacity C3 parallel connections of TPS767D318 chips, electric capacity C1, electric capacity
Other end ground connection C2, electric capacity C3 in parallel, the 2IN pins connection 5V power supplys of the TPS767D318 chips, 5V power supplys it is another
End connection resistance R1, resistance R1 series diode D1, diode the D1 other end ground connection；The 1OUT ends of the TPS767D318 chips
Connect 1.8V power supplys, the other end connection electric capacity C7 and Xiao Te the diode D2, electric capacity C7 of 1.8V power supplys other end ground connection, Xiao Te
The other end of diode connects the 2OUT pins of the TPS767D318 chips, and the 2OUT pins of the TPS767D318 chips connect
Connect 3.3V power supplys, 2OUT pins connection electric capacity C5, the circuit and 3.3V power supplys of electric capacity C6 parallel connections of the TPS767D318 chips.
A kind of audio recognition method of the voice inverter of hearing disfluency disabled person, comprises the steps：
Step 1：Startup power supply circuit；
Step 2：A/D sample circuits gather voice signal；
Step 3：The voice signal that step 2 is collected is input to speech processes DSP circuit;
Step 4：Speech processes DSP circuit carries out preemphasis, framing adding window, short-time energy by jtag circuit to voice signal
Detection, zero-crossing rate detection, end-point detection, 12 rank cepstrum coefficients, 12 difference cepstrum coefficients, at 12 differential power Coefficient Algorithms
Reason, obtains clearly voice signal, and tell men and women's voice signal；
Step 5：Data Cun Chudao flash circuits are arrived into the storage of men and women's voice signal.
The present embodiment increases the voice of data storage flash circuits and the voice inverter of hearing disfluency disabled person
Recognition methods, the hardware circuit of whole system is good using TMS320V5402+TLC320AD50C+FLASH+SRAM+PC real-times,
System carries out speech recognition using speech recognition algorithm on software flow, and the voice signal storage after processing finally is arrived into data
Store inside flash circuits.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can in the range of disclosure, drawings and claims
A variety of variations and modifications are carried out with the building block to theme combination layout and/or layout.Except to building block and/or layout
Outside the modification and improvement of progress, to those skilled in the art, other purposes also will be apparent.
Claims (6)
- A kind of 1. voice inverter of hearing disfluency disabled person, it is characterised in that：Including speech processes DSP circuit, voice A/D sample circuits, data storage flash circuits, jtag circuit, power circuit；The speech processes DSP circuit is used at voice Reason；The voice A/D sample circuits are used for speech signal collection；The data storage flash circuits are used for after storing compiling Unite software data, the speech processes DSP circuit is connected with voice A/D sample circuits respectively, data storage flash circuits, Power circuit, jtag circuit connection.
- A kind of 2. voice inverter of hearing disfluency disabled person according to claim 1, it is characterised in that：Institute's predicate The main control chip of sound processing DSP circuit is TMS320VC5402 chips；The main control chip of the voice A/D sample circuits is TLC320AD50 chips；The main control chip of the data storage flash circuits is SN74LVTH16245 chips；The power supply electricity The main control chip on road is TPS767D318 chips.
- A kind of 3. voice inverter of hearing disfluency disabled person according to claim 2, it is characterised in that：The master DR0 pins, DX0 pins, TOUT0 pins, CLKR0 pins, FRX0 pins, the XF pins for controlling chip TMS320VC5402 chips connect DOUT pins, DIN pins, MCLK pins, SCLK pins, FS pins, the FC pins of the TLC320AD50 chips are connect, it is described The REEM of the connection of REEP pins the electric capacity C52, electric capacity C52 of TLC320AD50 chips other end connection TLC320AD50 chips draws Pin, the FILT pins connection electric capacity C55 of the TLC320AD50 chips, the AVDD ends connection electric capacity of the TLC320AD50 chips C53, electric capacity C51, the electric capacity C53, electric capacity C51 other end ground connection, the AVDD ends of the chip TLC320AD50 chips connect Meet electric capacity C51, the AVSS ends of electric capacity C51 other end connection TLC320AD50 chips, the AVSS of the TLC320AD50 chips End connection ground, the DVSS ends connection electric capacity C54 of TLC320AD50 chips, electric capacity C54 other ends ground connection, the TLC320AD50 cores The PWRDWN ends ground connection of piece.
- A kind of 4. voice inverter of hearing disfluency disabled person according to claim 3, it is characterised in that：It is described 1A [1 ∽ 4] pin, 2A [1 ∽ 4] pin, 3A [1 ∽ 4] pin, 4A [1 ∽ 4] pin of SN74LVTH16245 chips connect Meet DSP_A [15 ∽ 0] pin of TMS320VC5402 chips, 1Y [1 ∽ 4] pin, the 2Y of the SN74LVTH16245 chips [1 ∽ 4] pin, 3Y [1 ∽ 4] pin, the BDSP_A [15 ∽ 0] of 4Y [1 ∽ 4] pin connection TMS320VC5402 chips draw Pin, the DSP_OEN pins of OE [1 ∽ 4] the connection TMS320VC5402 chips of the SN74LVTH16245 chips.
- A kind of 5. voice inverter of hearing disfluency disabled person according to claim 3, it is characterised in that：It is described BDSP_D [0 ∽ 6] pin of SN74LS373 D [1 ∽ 8] pin connection TMS320VC5402 chips.
- A kind of 6. voice inverter of hearing disfluency disabled person according to claim 3, it is characterised in that：It is described 1IN pins connection electric capacity C1, electric capacity C2, the circuit of electric capacity C3 parallel connections of TPS767D318 chips, electric capacity C1, electric capacity C2, electric capacity Other end ground connection in parallel C3, the 2IN pins connection 5V power supplys of the TPS767D318 chips, the other end connection electricity of 5V power supplys Hinder R1, resistance R1 series diode D1, diode the D1 other end ground connection；The 1OUT ends connection 1.8V of the TPS767D318 chips Power supply, the other end connection electric capacity C7 and Xiao Te the diode D2, electric capacity C7 of 1.8V power supplys other end ground connection, Xiao Te diodes The other end connects the 2OUT pins of the TPS767D318 chips, the 2OUT pins connection 3.3V electricity of the TPS767D318 chips Source, 2OUT pins connection electric capacity C5, the circuit and 3.3V power supplys of electric capacity C6 parallel connections of the TPS767D318 chips.
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| CN201710444603.4A CN107424603A (en) | 2017-06-13 | 2017-06-13 | A kind of voice inverter of hearing disfluency disabled person |
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| CN201710444603.4A CN107424603A (en) | 2017-06-13 | 2017-06-13 | A kind of voice inverter of hearing disfluency disabled person |
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| CN2822069Y (en) * | 2005-08-17 | 2006-09-27 | 珠海市科电技术开发有限公司 | Remote audio-video monitor system |
| CN201889796U (en) * | 2010-09-06 | 2011-07-06 | 武汉智达星机器人有限公司 | Internet-based speech recognition robot |
| CN202662187U (en) * | 2012-06-18 | 2013-01-09 | 孙有贵 | Portable deaf language communication machine |
| CN103955149A (en) * | 2011-12-30 | 2014-07-30 | 南阳首控光电有限公司 | DSP voice recognition used for laser large-screen splicing control system |
| US20140257813A1 (en) * | 2013-03-08 | 2014-09-11 | Analog Devices A/S | Microphone circuit assembly and system with speech recognition |
-
2017
- 2017-06-13 CN CN201710444603.4A patent/CN107424603A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2822069Y (en) * | 2005-08-17 | 2006-09-27 | 珠海市科电技术开发有限公司 | Remote audio-video monitor system |
| CN201889796U (en) * | 2010-09-06 | 2011-07-06 | 武汉智达星机器人有限公司 | Internet-based speech recognition robot |
| CN103955149A (en) * | 2011-12-30 | 2014-07-30 | 南阳首控光电有限公司 | DSP voice recognition used for laser large-screen splicing control system |
| CN202662187U (en) * | 2012-06-18 | 2013-01-09 | 孙有贵 | Portable deaf language communication machine |
| US20140257813A1 (en) * | 2013-03-08 | 2014-09-11 | Analog Devices A/S | Microphone circuit assembly and system with speech recognition |
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