CN203504623U - Voice processing circuit for communication equipment - Google Patents
Voice processing circuit for communication equipment Download PDFInfo
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- CN203504623U CN203504623U CN201320621649.6U CN201320621649U CN203504623U CN 203504623 U CN203504623 U CN 203504623U CN 201320621649 U CN201320621649 U CN 201320621649U CN 203504623 U CN203504623 U CN 203504623U
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- diode
- integrated chip
- processing circuit
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Abstract
The utility model discloses a voice processing circuit for communication equipment. The voice processing circuit comprises a dc power supply, a first capacitor, a second capacitor, first to fourth triodes, a button switch, a first diode, a second diode, a loudspeaker, a voice synthesizing and integrating chip and first to ninth resistors. Compared with the prior art, the voice processing circuit can effectively improve the sound quality when being used for voice processing in the communication equipment; and the voice processing circuit is simple in structure, small in size, low in cost and helpful for popularization, so that the communication equipment is convenient to carry.
Description
Technical field
The utility model relates to a kind of communication apparatus internal circuit, relates in particular to a kind of speech processing circuit for communication apparatus.
Background technology
Wireless telecommunications are to utilize radio wave but not cable is realized the communication of equipment room, this communication mode has quick and easy installation and maintenance, is not subject to not advantages of higher of site contour environmental impact, cost, and abundant product can meet the different demands of user on communication distance and traffic rate.And in prior art, high for speech processing circuit complex structure, the cost of communication apparatus, volume is large, be not easy to carry, and speech processes is clear not.
Summary of the invention
The purpose of this utility model is that a kind of speech processing circuit for communication apparatus will be provided.
For achieving the above object, the utility model is implemented according to following technical scheme:
The utility model comprises DC power supply, the first electric capacity, the second electric capacity, the first triode to the four triodes, push-button switch, the first diode, the second diode, loud speaker, phonetic synthesis integrated chip and the first resistance to the nine resistance, the anodal while of described DC power supply and the first end of described the first resistance, the first end of described push-button switch is connected with the first end of described the second resistance, the negative pole of described DC power supply is connected with the first end of described the 3rd resistance with the first end of described the first electric capacity simultaneously, the second end of described the first resistance is connected with the second end of described the first electric capacity and the vibration input of described phonetic synthesis integrated chip simultaneously, the second end of described the second resistance is connected with the collector electrode of described the 3rd triode with the collector electrode of described the first triode simultaneously, the second end while of described the 3rd resistance and the emitter of described the second triode, the power-of described phonetic synthesis integrated chip is extremely connected with the emitter of described the 4th triode, the first end of described the 4th resistance is connected with the negative pole of described the first diode, the second end of described the 4th resistance is connected with the first end of described the 9th resistance, the first end of described the 5th resistance is connected with the positive pole of described the first diode with the first output of described phonetic synthesis integrated chip simultaneously, the second end of described the 5th resistance is connected with the base stage of described the first triode, the first end of described the 6th resistance is connected with the positive pole of described the second diode with the second output of described phonetic synthesis integrated chip, the second end of described the 6th resistance is connected with the base stage of described the second triode, the first end of described the 7th resistance is connected with the negative pole of described the second diode, the second end of described the 7th resistance is connected with the first end of described the 8th resistance, the second end of described the 8th resistance is connected with the base stage of described the 3rd triode, the second end of described the 9th resistance is connected with the base stage of described the 4th triode, the second end of described push-button switch is connected with the trigger end of described phonetic synthesis integrated chip, the emitter while of described the first triode and the collector electrode of described the second triode, the first end of described loud speaker is connected with the first end of described the second electric capacity, the emitter of described the 3rd triode is connected with the collector electrode of described the 4th triode, the second end of described the second electric capacity is connected with the second end of described loud speaker.
The beneficial effects of the utility model are:
The utility model is a kind of speech processing circuit for communication apparatus, compared with prior art, the utility model carries out speech processes for communication apparatus, can effectively must improve tonequality, and circuit structure is simple, volume is little, with low cost, communication apparatus is easy to carry, is conducive to popularize.
Accompanying drawing explanation
Fig. 1 is the circuit structure schematic diagram of the speech processing circuit for communication apparatus described in the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, in illustrative examples and the explanation of this utility model, is used for explaining the utility model, but not as to restriction of the present utility model.
As shown in Figure 1: the utility model comprises DC power supply E, the first capacitor C 1, the second capacitor C 2, the first triode VT1 to the four triode VT4, push-button switch SB, the first diode VD1, the second diode VD2, loud speaker BL, phonetic synthesis integrated chip IC and the first resistance R 1 are to the 9th resistance R 9, the anodal while of DC power supply E and the first end of the first resistance R 1, the first end of push-button switch SB is connected with the first end of the second resistance R 2, the negative pole of DC power supply E is connected with the first end of the 3rd resistance R 3 with the first end of the first capacitor C 1 simultaneously, the second end of the first resistance R 1 is connected with the vibration input of phonetic synthesis integrated chip IC with the second end of the first capacitor C 1 simultaneously, the second end of the second resistance R 2 is connected with the collector electrode of the 3rd triode VT3 with the collector electrode of the first triode VT1 simultaneously, the second end while of the 3rd resistance R 3 and the emitter of the second triode VT2, the power-of phonetic synthesis integrated chip IC is extremely connected with the emitter of the 4th triode VT4, the first end of the 4th resistance R 4 is connected with the negative pole of the first diode VD1, the second end of the 4th resistance R 4 is connected with the first end of the 9th resistance R 9, the first end of the 5th resistance R 5 is connected with the positive pole of the first diode VD1 with the first output of phonetic synthesis integrated chip IC simultaneously, the second end of the 5th resistance R 5 is connected with the base stage of the first triode VT1, the first end of the 6th resistance R 6 is connected with the positive pole of the second diode VD2 with the second output of phonetic synthesis integrated chip IC, the second end of the 6th resistance R 6 is connected with the base stage of the second triode VT2, the first end of the 7th resistance R 7 is connected with the negative pole of the second diode VD2, the second end of the 7th resistance R 7 is connected with the first end of the 8th resistance R 8, the second end of the 8th resistance R 8 is connected with the base stage of the 3rd triode VT3, the second end of the 9th resistance R 9 is connected with the base stage of the 4th triode VT4, the second end of push-button switch SB is connected with the trigger end of phonetic synthesis integrated chip IC, the emitter while of the first triode VT1 and the collector electrode of the second triode VT2, the first end of loud speaker BL is connected with the first end of the second capacitor C 2, the emitter of the 3rd triode VT3 is connected with the collector electrode of the 4th triode VT4, the second end of the second capacitor C 2 is connected with the second end of loud speaker BL.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion of making according to the technical solution of the utility model, within all falling into protection range of the present utility model.
Claims (1)
1. the speech processing circuit for communication apparatus, it is characterized in that: comprise DC power supply, the first electric capacity, the second electric capacity, the first triode to the four triodes, push-button switch, the first diode, the second diode, loud speaker, phonetic synthesis integrated chip and the first resistance to the nine resistance, the anodal while of described DC power supply and the first end of described the first resistance, the first end of described push-button switch is connected with the first end of described the second resistance, the negative pole of described DC power supply is connected with the first end of described the 3rd resistance with the first end of described the first electric capacity simultaneously, the second end of described the first resistance is connected with the second end of described the first electric capacity and the vibration input of described phonetic synthesis integrated chip simultaneously, the second end of described the second resistance is connected with the collector electrode of described the 3rd triode with the collector electrode of described the first triode simultaneously, the second end while of described the 3rd resistance and the emitter of described the second triode, the power-of described phonetic synthesis integrated chip is extremely connected with the emitter of described the 4th triode, the first end of described the 4th resistance is connected with the negative pole of described the first diode, the second end of described the 4th resistance is connected with the first end of described the 9th resistance, the first end of described the 5th resistance is connected with the positive pole of described the first diode with the first output of described phonetic synthesis integrated chip simultaneously, the second end of described the 5th resistance is connected with the base stage of described the first triode, the first end of described the 6th resistance is connected with the positive pole of described the second diode with the second output of described phonetic synthesis integrated chip, the second end of described the 6th resistance is connected with the base stage of described the second triode, the first end of described the 7th resistance is connected with the negative pole of described the second diode, the second end of described the 7th resistance is connected with the first end of described the 8th resistance, the second end of described the 8th resistance is connected with the base stage of described the 3rd triode, the second end of described the 9th resistance is connected with the base stage of described the 4th triode, the second end of described push-button switch is connected with the trigger end of described phonetic synthesis integrated chip, the emitter while of described the first triode and the collector electrode of described the second triode, the first end of described loud speaker is connected with the first end of described the second electric capacity, the emitter of described the 3rd triode is connected with the collector electrode of described the 4th triode, the second end of described the second electric capacity is connected with the second end of described loud speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621649.6U CN203504623U (en) | 2013-10-08 | 2013-10-08 | Voice processing circuit for communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621649.6U CN203504623U (en) | 2013-10-08 | 2013-10-08 | Voice processing circuit for communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504623U true CN203504623U (en) | 2014-03-26 |
Family
ID=50335561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320621649.6U Expired - Fee Related CN203504623U (en) | 2013-10-08 | 2013-10-08 | Voice processing circuit for communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203504623U (en) |
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2013
- 2013-10-08 CN CN201320621649.6U patent/CN203504623U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141008 |
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| EXPY | Termination of patent right or utility model |