CN107492287A - Mute speaks instrument - Google Patents
Mute speaks instrument Download PDFInfo
- Publication number
- CN107492287A CN107492287A CN201710956504.4A CN201710956504A CN107492287A CN 107492287 A CN107492287 A CN 107492287A CN 201710956504 A CN201710956504 A CN 201710956504A CN 107492287 A CN107492287 A CN 107492287A
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- resistance
- gesture identification
- circuit
- signal
- electric capacity
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B21/00—Teaching, or communicating with, the blind, deaf or mute
- G09B21/009—Teaching or communicating with deaf persons
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
This real disclosure of the invention mute speaks instrument,Including hand signal process circuit,Gesture identification circuit and voice driven circuit,Gesture is converted into electric signal by hand signal process circuit by gesture identification probe,Signal is filtered amplification again,By gesture identification chip processing is identified in hand signal by gesture identification circuit,Recognition result is exported in the form of current signal,Corresponding hand signal is carried out voice broadcast by voice driven circuit,Using resistance R2,R3 and triode VT1 composition emitter followers,Reduce the influence that circuit is brought to gesture identification electric signal,Effectively amplifying gesture signal,Electric capacity C3,Resistance R6 and transport and placing device A1 composition pre-amplification circuits,Filter out the high-frequency noise and spike burr in hand signal,So as to lift the sensitivity of instrument and anti-interference,With very great development value and practical value.
Description
Technical field
The present invention relates to gesture identification field, spoken instrument more particularly to mute.
Background technology
The communication problem of deaf-mute always is what is received much concern, and manual communication is undoubtedly the most important communication side of deaf-mute
Formula, and most of normal persons are because no learning gesture is linked up, is difficult to understand for the implication of gesture representative, and mute's instrument of speaking is exactly
Help deaf-mute that gesture is converted into the visual plant of voice, and existing mute instrument of speaking is mostly all very expensive, and
Some cheap mutes speak instrument because larger by external environmental interference, and signal handling capacity is weak, and sensitivity is not high, so as to cause to know
Do not fail, report the problem of wrong.
So the present invention provides a kind of new scheme to solve this problem.
The content of the invention
For the above situation, to overcome the defect of prior art, the purpose of the present invention is to provide mute and spoken instrument, circuit
Simple ingenious, the strong antijamming capability of design, high sensitivity, it is expensive to efficiently solve current mute instrument of speaking, and
Some cheap mutes speak instrument because larger by external environmental interference, and signal handling capacity is weak, and sensitivity is not high, so as to cause to know
Do not fail, report the problem of wrong.
Its technical scheme solved is that mute speaks instrument, including hand signal process circuit, gesture identification circuit and voice
Drive circuit, gesture is converted into electric signal by the hand signal process circuit by gesture identification probe, then signal is carried out
Filter and amplification, the input of the gesture identification circuit are connected with the output end of the hand signal process circuit, gesture identification
By gesture identification chip processing is identified in hand signal by circuit, recognition result is exported in the form of current signal, institute
The input of predicate sound drive circuit is connected with the output end of the gesture identification circuit, and voice driven circuit is by corresponding hand
Gesture signal carries out voice broadcast.
Preferably, the hand signal process circuit includes gesture identification probe TP, gesture identification probe TP and resistance R1
One end connection, the resistance R1 other end is connected with the base stage of electric capacity C1 one end, resistance R2 one end and triode VT1, electric
Hold C1 other end ground connection, the resistance R2 other end is connected and is grounded with resistance R3 one end, triode VT1 colelctor electrode and+
5V power supplys are connected, and triode VT1 emitter stage is connected with one end of the resistance R3 other end and electric capacity C2, the electric capacity C2 other end
It is connected with resistance R5 one end and transport and placing device A1 in-phase input end, resistance R5 other end ground connection, transport and placing device A1's is reverse defeated
Enter end to be connected with one end of resistance R4 one end, resistance R6 one end and electric capacity C3, resistance R4 other end ground connection, transport and placing device A1
Output end be connected with the resistance R6 other end and the electric capacity C3 other end.
Compared with prior art, beneficial effects of the present invention are as follows：
1. the present invention includes hand signal process circuit, gesture identification circuit and voice driven circuit, design uses less member
Device realizes detection, filtering, gesture identification and reports function, significantly reduces cost, while again accurate with reporting, reliably
The advantages that property is high.
2. using resistance R2, R3 and triode VT1 composition emitter followers, reduce circuit and gesture identification electric signal is brought
Influence, effectively amplifying gesture signal, electric capacity C3, resistance R6 and transport and placing device A1 composition pre-amplification circuits filter out gesture letter
High-frequency noise and spike burr in number, so as to lift the sensitivity of instrument and anti-interference, with very great development value and in fact
With value.
Brief description of the drawings
Fig. 1 is that mute of the present invention speaks the circuit module figure of instrument.
Fig. 2 is that mute of the present invention speaks the circuit theory diagrams of instrument.
Embodiment
For the present invention foregoing and other technology contents, feature and effect, in following cooperation with reference to figures 1 through accompanying drawing 2
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following examples, it is with specification
Accompanying drawing is reference.
Embodiment one, mute speak instrument, including hand signal process circuit, gesture identification circuit and voice driven circuit,
Gesture is converted into electric signal by the hand signal process circuit by gesture identification probe, then signal is filtered into amplification,
The input of the gesture identification circuit is connected with the output end of the hand signal process circuit, and gesture identification circuit passes through hand
Processing is identified in hand signal by gesture identification chip, recognition result is exported in the form of current signal, the voice driven
The input of circuit is connected with the output end of the gesture identification circuit, and voice driven circuit carries out corresponding hand signal
Voice broadcast.
Embodiment two, on the basis of embodiment one, the hand signal process circuit includes resistance R2, resistance R2, R3
Emitter follower is formed with triode VT1, reduces the influence that circuit is brought to gesture identification electric signal, effectively amplifying gesture is believed
Number, electric capacity C2 isolated DC signals, electric capacity C3, resistance R6 and transport and placing device A1 form pre-amplification circuit, filter out in hand signal
High-frequency noise and spike burr, so as to lift the sensitivity of instrument and anti-interference, gesture identification probe TP and resistance R1's
One end is connected, and the resistance R1 other end is connected with the base stage of electric capacity C1 one end, resistance R2 one end and triode VT1, electric capacity
C1 other end ground connection, the resistance R2 other end are connected and are grounded with resistance R3 one end, triode VT1 colelctor electrode and+5V
Power supply connects, and triode VT1 emitter stage is connected with one end of the resistance R3 other end and electric capacity C2, the electric capacity C2 other end and
Resistance R5 one end connects with transport and placing device A1 in-phase input end, resistance R5 other end ground connection, transport and placing device A1 reverse input
End is connected with one end of resistance R4 one end, resistance R6 one end and electric capacity C3, resistance R4 other end ground connection, transport and placing device A1's
Output end is connected with the resistance R6 other end and the electric capacity C3 other end.
Embodiment three, on the basis of embodiment two, the gesture identification circuit includes ADD01T gesture identification chip U1,
Processing is identified in the hand signal of gesture identification circuit output by gesture identification chip U1, by recognition result with current signal
Form is exported, and resistance R7 one end is connected with transport and placing device A1 output end, and the resistance R7 other end is with gesture identification chip U1's
Pin 3 is connected, and gesture identification chip U1 pin 1 is connected with one end of+5V power supplys and electric capacity C4, electric capacity C4 another termination
Ground, gesture identification chip U1 pin 5 are grounded, and gesture identification chip U1 pin 7 is connected with resistance R8 one end.
Example IV, on the basis of embodiment three, the voice driven circuit includes triode VT2, works as gesture identification
When circuit has output signal, triode VT2 base stages must conduct, loudspeaker LS both positive and negative polarity energization work, so as to carry out corresponding gesture
Report, slide rheostat RP can control loudspeaker LS volumes, and triode VT2 base stage is connected with the resistance R8 other end,
Triode VT2 colelctor electrode is connected with resistance R9 one end, and the resistance R9 other end is connected with+5V power supplys, triode VT2 hair
Emitter-base bandgap grading is connected with slide rheostat RP port 1, and slide rheostat RP slip port 3 is connected with loudspeaker LS positive pole, is slided
Rheostat RP port 2 is connected and is grounded with loudspeaker LS negative pole.
When the present invention is specifically used, mute speaks instrument, including hand signal process circuit, gesture identification circuit and voice drive
Dynamic circuit, hand signal process circuit include resistance R2, resistance R2, R3 and triode VT1 composition emitter followers, reduce circuit
The influence brought to gesture identification electric signal, effectively amplifying gesture signal, electric capacity C2 isolated DC signals, electric capacity C3, resistance
R6 and transport and placing device A1 composition pre-amplification circuits, filter out the high-frequency noise and spike burr in hand signal, so as to lift instrument
Sensitivity and anti-interference, gesture identification chip U1 processing is identified in the hand signal of gesture identification circuit output, will
Recognition result is exported in the form of current signal, and when gesture identification circuit has output signal, triode VT2 base stages obtain conductance
Logical, loudspeaker LS both positive and negative polarity energization work, so as to carry out the report of corresponding gesture, slide rheostat RP can control loudspeaker LS to give great volume
It is small.
Described above is to combine embodiment further description made for the present invention, it is impossible to assert the present invention
Specific implementation is limited only to this；For belonging to the present invention and for those skilled in the technology concerned, based on skill of the present invention
Under the premise of art scheme thinking, the expansion made and operating method, the replacement of data, should all fall the scope of the present invention it
It is interior.
Claims (4)
- The instrument 1. mute speaks, including hand signal process circuit, gesture identification circuit and voice driven circuit, it is characterised in that Gesture is converted into electric signal by the hand signal process circuit by gesture identification probe, then signal is filtered into amplification, The input of the gesture identification circuit is connected with the output end of the hand signal process circuit, and gesture identification circuit passes through hand Processing is identified in hand signal by gesture identification chip, recognition result is exported in the form of current signal, the voice driven The input of circuit is connected with the output end of the gesture identification circuit, and voice driven circuit carries out corresponding hand signal Voice broadcast.
- The instrument 2. mute as claimed in claim 1 speaks, it is characterised in that the hand signal process circuit is visited including gesture identification Head TP, gesture identification probe TP are connected with resistance R1 one end, the resistance R1 other end and electric capacity C1 one end, the one of resistance R2 End is connected with triode VT1 base stage, and electric capacity C1 other end ground connection, the resistance R2 other end is connected simultaneously with resistance R3 one end Ground connection, triode VT1 colelctor electrode are connected with+5V power supplys, triode VT1 emitter stage and the resistance R3 other end and electric capacity C2 One end connection, the electric capacity C2 other end is connected with the in-phase input end of resistance R5 one end and transport and placing device A1, and resistance R5's is another One end is grounded, and transport and placing device A1 reverse input end is connected with one end of resistance R4 one end, resistance R6 one end and electric capacity C3, electricity R4 other end ground connection is hindered, transport and placing device A1 output end is connected with the other end of the resistance R6 other end and electric capacity C3.
- The instrument 3. mute as claimed in claim 2 speaks, it is characterised in that the gesture identification circuit includes resistance R7, resistance R7 One end be connected with transport and placing device A1 output end, the resistance R7 other end is connected with ADD01T gesture identification chips U1 pin 3, Gesture identification chip U1 pin 1 is connected with one end of+5V power supplys and electric capacity C4, electric capacity C4 other end ground connection, gesture identification Chip U1 pin 5 is grounded, and gesture identification chip U1 pin 7 is connected with resistance R8 one end.
- The instrument 4. mute as claimed in claim 3 speaks, it is characterised in that the voice driven circuit includes triode VT2, three poles Pipe VT2 base stage is connected with the resistance R8 other end, and triode VT2 colelctor electrode is connected with resistance R9 one end, resistance R9's The other end is connected with+5V power supplys, and triode VT2 emitter stage is connected with slide rheostat RP port 1, slide rheostat RP's Slide port 3 to be connected with loudspeaker LS positive pole, slide rheostat RP port 2 is connected and is grounded with loudspeaker LS negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956504.4A CN107492287A (en) | 2017-10-16 | 2017-10-16 | Mute speaks instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956504.4A CN107492287A (en) | 2017-10-16 | 2017-10-16 | Mute speaks instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107492287A true CN107492287A (en) | 2017-12-19 |
Family
ID=60653751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710956504.4A Pending CN107492287A (en) | 2017-10-16 | 2017-10-16 | Mute speaks instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107492287A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627297A (en) * | 2020-04-03 | 2020-09-04 | 重庆师范大学 | Speaking instrument |
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| CN104660920A (en) * | 2013-11-25 | 2015-05-27 | 成都菲斯顿德科技有限公司 | Distribution circuit of video signals |
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| PB01 | Publication | ||
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Application publication date: 20171219 |