CN104506185A - Audio processing system with phase locking function - Google Patents
Audio processing system with phase locking function Download PDFInfo
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- CN104506185A CN104506185A CN201410669578.6A CN201410669578A CN104506185A CN 104506185 A CN104506185 A CN 104506185A CN 201410669578 A CN201410669578 A CN 201410669578A CN 104506185 A CN104506185 A CN 104506185A
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Abstract
The invention discloses an audio processing system with a phase locking function. The audio processing system mainly comprises an audio acquisition module, a frequency intensifier circuit, which is connected to the audio acquisition module, a frequency selection circuit, which is connected to the frequency intensifier circuit, and a current source circuit, which is connected to the frequency selection circuit. The audio processing system is characterized by further comprising a phase locking circuit, which is synchronously connected to the frequency selection circuit and the current source circuit; the phase locking circuit is formed by a triode VT5, a triode VT6, a triode VT7, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor R17, a capacitor C8 and a capacitor C9. The phase locking circuit of the audio processing system is capable of locking an audio phase, so that the processed audio frequency is more stable and the sound effect is better.
Description
Technical field
The present invention relates to a kind of electronic system, specifically refer to a kind of audio frequency processing system with phase-locked function.
Background technology
Along with people pursue more and more higher to quality of life, present home theater enters into every household substantially, brings very large enjoyment to people's life.But the audio frequency after present audio frequency processing system process is not very stable, make the sound effect of film playback bad.
Summary of the invention
The object of the invention is to the defect of the audio frequency instability after overcoming the process of current audio treatment system, a kind of audio frequency processing system with phase-locked function is provided.
The following technical scheme of object of the present invention realizes: a kind of audio frequency processing system with phase-locked function, mainly comprise audio collection module, the frequency emphases electrical circuit be connected with audio collection module, the frequency selection circuit be connected with frequency emphases electrical circuit, the current source circuit be connected with frequency selection circuit, also comprises the phase lock circuitry be simultaneously connected with current source circuit with frequency selection circuit, described phase lock circuitry is by triode VT5, and triode VT6, triode VT7, resistance R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, electric capacity C8, electric capacity C9 form, resistance R12, resistance R13, resistance R14, resistance R15, one end of resistance R16 is all connected with the base stage of triode VT5, the other end of resistance R12 is connected with the collector electrode of triode VT5, the other end of resistance R13 is connected with the collector electrode of triode VT6, the other end of resistance R14 is connected with the base stage of triode VT7, the other end of resistance R15 is connected with the base stage of triode VT6, the other end of resistance R16 is connected with the collector electrode of triode VT7, and one end of resistance R17 is connected with the base stage of triode VT5, the other end is connected with the emitter of triode VT6, and the positive pole of electric capacity C8 is connected with the emitter of triode VT5, negative pole is connected with the base stage of triode VT7, and the positive pole of electric capacity C9 is connected with the base stage of triode VT6, negative pole is connected with the collector electrode of triode VT7, and the collector electrode of described triode VT5 is connected with the emitter of triode VT6, base stage is connected with current source circuit with frequency selection circuit simultaneously, and the emitter of triode VT6 is connected with the emitter of triode VT7.
Described frequency emphases electrical circuit is by resistance R1, and potentiometer R2, resistance R3, resistance R4, resistance R5, potentiometer R6, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4 form, the positive pole of electric capacity C4 is connected with audio collection module after resistance R5, minus earth, one end of potentiometer R6 is connected with the positive pole of electric capacity C4, other end ground connection, the positive pole of electric capacity C1 is connected with audio collection module and frequency selection circuit after resistance R1 simultaneously, minus earth, one end of potentiometer R2 is connected with the positive pole of electric capacity C1, other end ground connection, positive pole ground connection after resistance R3 of electric capacity C2, negative pole is connected with frequency selection circuit, positive pole ground connection after resistance R4 of electric capacity C3, negative pole is connected with frequency selection circuit, the positive pole of electric capacity C4 is also connected with frequency selection circuit.
Described frequency selection circuit is by triode VT1, triode VT2, positive pole is connected with the base stage of triode VT1 after resistance R7, negative pole then through the electric capacity C5 that electric capacity C6 is connected with the base stage of triode VT1 after electric capacity C7, and the resistance R8 that one end is connected with the base stage of triode VT2, the other end is then connected with the collector electrode of triode VT1 forms; The collector electrode of described triode VT2 is connected with the positive pole of electric capacity C5, its emitter is then connected with current source circuit, the emitter of triode VT1 is then connected with the tie point of electric capacity C7 and the base stage of triode VT5 with electric capacity C6 simultaneously, electric capacity C6 is also connected with the positive pole of electric capacity C4 with the tie point of electric capacity C7, and the positive pole of electric capacity C5 is also connected with the negative pole of resistance R1 and electric capacity C2 simultaneously, negative pole is connected with the negative pole of electric capacity C3.
Described current source circuit is by triode VT3, triode VT4, the voltage stabilizing didoe D1 that N pole is connected with the base stage of triode VT3, P pole is connected with the emitter of triode VT3 after resistance R10, one end is connected with the base stage of triode VT3, the resistance R9 of other end ground connection, and the resistance R11 that one end is connected with triode VT4 emitter, the other end is connected with the base stage of triode VT5 forms; The collector electrode of described triode VT3 is connected with the base stage of triode VT5, the grounded collector of triode VT4, and the P pole of voltage stabilizing didoe D1 is connected with external power source with the emitter of triode VT2 simultaneously.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) phase lock circuitry of the present invention can lock the phase place of audio frequency, and make the audio frequency after process more stable, sound effect is better.
(2) structure of the present invention is simple, and can energy efficient.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, the audio frequency processing system with phase-locked function of the present invention, mainly comprise audio collection module, the frequency emphases electrical circuit be connected with audio collection module, the frequency selection circuit be connected with frequency emphases electrical circuit, the current source circuit be connected with frequency selection circuit, also comprises the phase lock circuitry be simultaneously connected with current source circuit with frequency selection circuit.
Phase lock circuitry is emphasis of the present invention, and it is by triode VT5, triode VT6, triode VT7, resistance R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, electric capacity C8, and electric capacity C9 forms, resistance R12, resistance R13, resistance R14, resistance R15, one end of resistance R16 is all connected with the base stage of triode VT5, the other end of resistance R12 is connected with the collector electrode of triode VT5, the other end of resistance R13 is connected with the collector electrode of triode VT6, the other end of resistance R14 is connected with the base stage of triode VT7, the other end of resistance R15 is connected with the base stage of triode VT6, the other end of resistance R16 is connected with the collector electrode of triode VT7, and one end of resistance R17 is connected with the base stage of triode VT5, the other end is connected with the emitter of triode VT6, and the positive pole of electric capacity C8 is connected with the emitter of triode VT5, negative pole is connected with the base stage of triode VT7, and the positive pole of electric capacity C9 is connected with the base stage of triode VT6, negative pole is connected with the collector electrode of triode VT7, and the collector electrode of described triode VT5 is connected with the emitter of triode VT6, base stage is connected with current source circuit with frequency selection circuit simultaneously, and the emitter of triode VT6 is connected with the emitter of triode VT7.Phase lock circuitry can lock the phase place of audio signal, the audio frequency after process is more stabilized fixed.
Frequency emphases electrical circuit is by resistance R1, and potentiometer R2, resistance R3, resistance R4, resistance R5, potentiometer R6, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4 form, the positive pole of electric capacity C4 is connected with audio collection module after resistance R5, minus earth, one end of potentiometer R6 is connected with the positive pole of electric capacity C4, other end ground connection, the positive pole of electric capacity C1 is connected with audio collection module and frequency selection circuit after resistance R1 simultaneously, minus earth, one end of potentiometer R2 is connected with the positive pole of electric capacity C1, other end ground connection, positive pole ground connection after resistance R3 of electric capacity C2, negative pole is connected with frequency selection circuit, positive pole ground connection after resistance R4 of electric capacity C3, negative pole is connected with frequency selection circuit, the positive pole of electric capacity C4 is also connected with frequency selection circuit.Audio frequency range after the process of audio frequency intensifier circuit is wider.
In order to screen audio signal, in system, be provided with frequency selection circuit.It is by triode VT1, triode VT2, positive pole is connected with the base stage of triode VT1 after resistance R7, negative pole then through the electric capacity C5 that electric capacity C6 is connected with the base stage of triode VT1 after electric capacity C7, and the resistance R8 that one end is connected with the base stage of triode VT2, the other end is then connected with the collector electrode of triode VT1 forms; The collector electrode of described triode VT2 is connected with the positive pole of electric capacity C5, its emitter is then connected with current source circuit, the emitter of triode VT1 is then connected with the tie point of electric capacity C7 and the base stage of triode VT5 with electric capacity C6 simultaneously, electric capacity C6 is also connected with the positive pole of electric capacity C4 with the tie point of electric capacity C7, and the positive pole of electric capacity C5 is also connected with the negative pole of resistance R1 and electric capacity C2 simultaneously, negative pole is connected with the negative pole of electric capacity C3.
In order to make sound more clear, Operation system setting has current source circuit.It is by triode VT3, triode VT4, the voltage stabilizing didoe D1 that N pole is connected with the base stage of triode VT3, P pole is connected with the emitter of triode VT3 after resistance R10, one end is connected with the base stage of triode VT3, the resistance R9 of other end ground connection, and the resistance R11 that one end is connected with triode VT4 emitter, the other end is connected with the base stage of triode VT5 forms; The collector electrode of described triode VT3 is connected with the base stage of triode VT5, the grounded collector of triode VT4, and the P pole of voltage stabilizing didoe D1 is connected with external power source with the emitter of triode VT2 simultaneously.
As mentioned above, just well the present invention can be realized.
Claims (4)
1. one kind has the audio frequency processing system of phase-locked function, mainly comprise audio collection module, the frequency emphases electrical circuit be connected with audio collection module, the frequency selection circuit be connected with frequency emphases electrical circuit, the current source circuit be connected with frequency selection circuit, is characterized in that: also comprise the phase lock circuitry be simultaneously connected with current source circuit with frequency selection circuit, described phase lock circuitry is by triode VT5, and triode VT6, triode VT7, resistance R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, electric capacity C8, electric capacity C9 form, resistance R12, resistance R13, resistance R14, resistance R15, one end of resistance R16 is all connected with the base stage of triode VT5, the other end of resistance R12 is connected with the collector electrode of triode VT5, the other end of resistance R13 is connected with the collector electrode of triode VT6, the other end of resistance R14 is connected with the base stage of triode VT7, the other end of resistance R15 is connected with the base stage of triode VT6, the other end of resistance R16 is connected with the collector electrode of triode VT7, and one end of resistance R17 is connected with the base stage of triode VT5, the other end is connected with the emitter of triode VT6, and the positive pole of electric capacity C8 is connected with the emitter of triode VT5, negative pole is connected with the base stage of triode VT7, and the positive pole of electric capacity C9 is connected with the base stage of triode VT6, negative pole is connected with the collector electrode of triode VT7, and the collector electrode of described triode VT5 is connected with the emitter of triode VT6, base stage is connected with current source circuit with frequency selection circuit simultaneously, and the emitter of triode VT6 is connected with the emitter of triode VT7.
2. a kind of audio frequency processing system with phase-locked function according to claim 1, is characterized in that: described frequency emphases electrical circuit by resistance R1, potentiometer R2, resistance R3, resistance R4, resistance R5, potentiometer R6, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4 form, the positive pole of electric capacity C4 is connected with audio collection module after resistance R5, minus earth, one end of potentiometer R6 is connected with the positive pole of electric capacity C4, other end ground connection, the positive pole of electric capacity C1 is connected with audio collection module and frequency selection circuit after resistance R1 simultaneously, minus earth, one end of potentiometer R2 is connected with the positive pole of electric capacity C1, other end ground connection, positive pole ground connection after resistance R3 of electric capacity C2, negative pole is connected with frequency selection circuit, positive pole ground connection after resistance R4 of electric capacity C3, negative pole is connected with frequency selection circuit, the positive pole of electric capacity C4 is also connected with frequency selection circuit.
3. a kind of audio frequency processing system with phase-locked function according to claim 2, it is characterized in that: described frequency selection circuit is by triode VT1, triode VT2, positive pole is connected with the base stage of triode VT1 after resistance R7, negative pole then through the electric capacity C5 that electric capacity C6 is connected with the base stage of triode VT1 after electric capacity C7, and the resistance R8 that one end is connected with the base stage of triode VT2, the other end is then connected with the collector electrode of triode VT1 forms; The collector electrode of described triode VT2 is connected with the positive pole of electric capacity C5, its emitter is then connected with current source circuit, the emitter of triode VT1 is then connected with the tie point of electric capacity C7 and the base stage of triode VT5 with electric capacity C6 simultaneously, electric capacity C6 is also connected with the positive pole of electric capacity C4 with the tie point of electric capacity C7, and the positive pole of electric capacity C5 is also connected with the negative pole of resistance R1 and electric capacity C2 simultaneously, negative pole is connected with the negative pole of electric capacity C3.
4. a kind of audio frequency processing system with phase-locked function according to claim 3, it is characterized in that: described current source circuit is by triode VT3, triode VT4, the voltage stabilizing didoe D1 that N pole is connected with the base stage of triode VT3, P pole is connected with the emitter of triode VT3 after resistance R10, one end is connected with the base stage of triode VT3, the resistance R9 of other end ground connection, and the resistance R11 that one end is connected with triode VT4 emitter, the other end is connected with the base stage of triode VT5 forms; The collector electrode of described triode VT3 is connected with the base stage of triode VT5, the grounded collector of triode VT4, and the P pole of voltage stabilizing didoe D1 is connected with external power source with the emitter of triode VT2 simultaneously.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410669578.6A CN104506185A (en) | 2014-11-19 | 2014-11-19 | Audio processing system with phase locking function |
| CN201510283972.0A CN104869509A (en) | 2014-11-19 | 2015-05-28 | Phase locking type audio processing system based on triode common-emitter symmetric amplification circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410669578.6A CN104506185A (en) | 2014-11-19 | 2014-11-19 | Audio processing system with phase locking function |
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| CN104506185A true CN104506185A (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410669578.6A Pending CN104506185A (en) | 2014-11-19 | 2014-11-19 | Audio processing system with phase locking function |
| CN201510283972.0A Withdrawn CN104869509A (en) | 2014-11-19 | 2015-05-28 | Phase locking type audio processing system based on triode common-emitter symmetric amplification circuit |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510283972.0A Withdrawn CN104869509A (en) | 2014-11-19 | 2015-05-28 | Phase locking type audio processing system based on triode common-emitter symmetric amplification circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104869509A (en) * | 2014-11-19 | 2015-08-26 | 成都冠深科技有限公司 | Phase locking type audio processing system based on triode common-emitter symmetric amplification circuit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2030785U (en) * | 1987-12-24 | 1989-01-11 | 刘光宇 | Telephone receive and pick-up device with background voice adjustable arrangement |
| DE602004018806D1 (en) * | 2003-10-15 | 2009-02-12 | Nxp Bv | ELECTRONIC CIRCUIT FOR GAINING A BIPOLAR SIGNAL |
| CN2817213Y (en) * | 2005-08-12 | 2006-09-13 | 陈剑荣 | Audio frequency power amplifier |
| CN104506185A (en) * | 2014-11-19 | 2015-04-08 | 成都创图科技有限公司 | Audio processing system with phase locking function |
-
2014
- 2014-11-19 CN CN201410669578.6A patent/CN104506185A/en active Pending
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- 2015-05-28 CN CN201510283972.0A patent/CN104869509A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104869509A (en) * | 2014-11-19 | 2015-08-26 | 成都冠深科技有限公司 | Phase locking type audio processing system based on triode common-emitter symmetric amplification circuit |
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| CN104869509A (en) | 2015-08-26 |
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Application publication date: 20150408 |