CN204334500U - Private movie theatre programmable digital processing power amplifier - Google Patents
Private movie theatre programmable digital processing power amplifier Download PDFInfo
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- CN204334500U CN204334500U CN201420684882.3U CN201420684882U CN204334500U CN 204334500 U CN204334500 U CN 204334500U CN 201420684882 U CN201420684882 U CN 201420684882U CN 204334500 U CN204334500 U CN 204334500U
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- power amplifier
- dsp processor
- movie theatre
- processing power
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- 238000000034 method Methods 0.000 claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 8
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model proposes a kind of private movie theatre programmable digital processing power amplifier, comprise the digital audio processing passage with multiple independent audio constrained input interfaces, it is characterized in that: described audio frequency treatment channel comprises the dsp processor supporting multi-channel audio process, be located at Audio Matrix and the A/D converting unit of dsp processor input, be located at multi-channel power amplifier unit and the D/A converting unit of dsp processor output, described dsp processor is controlled by a microcontroller, this microcontroller is connected with remote interface module, for receiving the control command sent with the control terminal of its arranging and the parameter feeding back current setting to this control terminal, described microcontroller is according to the operational factor of the control command adjustment dsp processor received.The utility model meets the demand of private movie theatre to the strong audio process of multichannel, high tone quality, flexibility.
Description
Technical field
The utility model belongs to audio processing equipment, is specifically related to a kind of private movie theatre programmable digital processing power amplifier.
Background technology
Along with the development of technology, digital processing power amplifier integrated level is more and more higher, modular design makes it become broader at the stage of audio area, and it will be more widely used in fields such as automobile audio, home theater, Public Address system, performance sound equipments.Make loudspeaker unit frequency divider with digital processing power amplifier, correct the frequency response curve of audio amplifier, performance sound equipment by PC far distance controlled and the sound property regulating each point, can make people at utmost incorporate and enjoys the atmosphere of performing.
At present, although Digital Audio-Frequency Processing Techniques obtains development energetically, but audio industry at home, most of audio frequency process still adopts analogue technique, early stage digital audio processing adopts general dsp chip and outside D and D/A converter (ADC/DAC), such scheme implements very difficult, not only consuming time but also cost is very high.Along with developing rapidly of the fields such as home theater, automobile audio and stereo of stage, the audio process demand strong to multichannel, high tone quality, flexibility is more urgent.
Utility model content
Based on background technology, the utility model proposes a kind of programmable digital processing power amplifier being applied to private movie theatre, meet the demand of private movie theatre to the strong audio process of multichannel, high tone quality, flexibility, its technical scheme is as follows:
A kind of private movie theatre programmable digital processing power amplifier, comprise the digital audio processing passage with multiple independent audio constrained input interfaces, it is characterized in that: described audio frequency treatment channel comprises the dsp processor supporting multi-channel audio process, be located at Audio Matrix and the A/D converting unit of dsp processor input, be located at multi-channel power amplifier unit and the D/A converting unit of dsp processor output, described dsp processor is controlled by a microcontroller, this microcontroller is connected with remote interface module, for receiving the control command sent with the control terminal of its arranging and the parameter feeding back current setting to this control terminal, described microcontroller is according to the operational factor of the control command adjustment dsp processor received.
As preferred version of the present utility model, described remote interface module comprise USB interface and or RS485 232 interfaces.
As preferred version of the present utility model, described digital audio processing passage comprises the first separate voice-grade channel and the second voice-grade channel, the second audio output interface that described first voice-grade channel has the first audio output interface of the first audio input interface and correspondence, described second voice-grade channel has the second audio input interface and correspondence.
As preferred version of the present utility model, described first voice-grade channel and the second voice-grade channel regulate turn-knob to control by one respectively, and are equipped with the indicator light group of this voice-grade channel operating state of reaction; Described adjustment turn-knob connects described Audio Matrix.
As preferred version of the present utility model, described indicator light group is made up of some LED light, at least comprises signal condition indicator light, clipping state indicator light and guard mode indicator light.
As preferred version of the present utility model, described private movie theatre programmable digital processing power amplifier is provided with display screen and is positioned at the adjustment knob of display screen week side, and described adjustment knob comprises option keys, upturning key and downturning key.
As preferred version of the present utility model, the front panel of described private movie theatre programmable digital processing power amplifier is provided with display screen, regulates knob, regulates turn-knob, indicator light group, RS485 232 interface and USB interface, and front panel both sides are divided and set a pull handle.
As preferred version of the present utility model, described audio input interface has the first filter unit, and described audio output interface has the second filter unit.
As preferred version of the present utility model, described dsp processor is connected with high-capacity FLASH memory, the self-defined configuration parameter that described high-capacity FLASH memory customizes for the default configuration parameters and programming storing dsp processor; Described default configuration parameters and self-defined configuration parameter are upgraded by described microcontroller and write in described high-capacity FLASH memory.
The utility model has the advantage of: adopt the dsp processor supporting multi-channel audio process, meet the requirement of high quality audio process, be provided with the remote interface module connecting external equipment simultaneously, by external equipment, DSP transaction module is designed and adjusted, realize more flexible and changeable, and audio frequency effect regulates easily, meets the demand of different application occasion.
Accompanying drawing explanation
Fig. 1 is composition block schematic illustration of the present utility model.
Fig. 2 is contour structures schematic diagram of the present utility model.
Embodiment
Following 1-2 by reference to the accompanying drawings, is further described the application's scheme:
A kind of private movie theatre programmable digital processing power amplifier, comprise the digital audio processing passage with multiple independent audio constrained input interfaces, described audio frequency treatment channel comprises the dsp processor 1 supporting multi-channel audio process, be located at Audio Matrix 2 and the A/D converting unit 3 of dsp processor 1 input, be located at multi-channel power amplifier unit 4 and the D/A converting unit 5 of dsp processor 1 output, described dsp processor 1 is controlled by a microcontroller 6, this microcontroller 6 is connected with remote interface module 7, for receiving the control command sent with the control terminal 8 of its arranging and the parameter feeding back current setting to this control terminal 8, described microcontroller 6 is according to the operational factor of the control command adjustment dsp processor 1 received.
Described remote interface module 7 comprise USB interface and or RS485 232 interfaces.
Described digital audio processing passage comprises the first separate voice-grade channel and the second voice-grade channel, and described first voice-grade channel has the second audio output interface 202 that the first audio input interface 101 and the first corresponding audio output interface 102, described second voice-grade channel have the second audio input interface 201 and correspondence.
Described first voice-grade channel and the second voice-grade channel regulate turn-knob 9 to control by one respectively, and are equipped with the indicator light group 10 of this voice-grade channel operating state of reaction; Described adjustment turn-knob 9 connects described Audio Matrix 2, and described adjustment turn-knob, according to user operation, is communicated with the first audio input interface 101 or the second audio input interface 201 by Audio Matrix 2, makes described first voice-grade channel and the second voice-grade channel select a job.
Described indicator light group 10 is made up of some LED light, at least comprises signal condition indicator light, clipping state indicator light and guard mode indicator light.
Described private movie theatre programmable digital processing power amplifier is provided with display screen 11 and is positioned at the adjustment knob 12 of display screen week side, and described adjustment knob 12 comprises option keys, upturning key and downturning key.
The front panel of described private movie theatre programmable digital processing power amplifier is provided with display screen 11, regulates knob 12, regulates turn-knob 9, indicator light group 10, RS485 232 interface and USB interface, and front panel both sides are divided and set a pull handle 13.
Described audio input interface has the first filter unit 14, and described audio output interface has the second filter unit 15.
Described dsp processor 1 is connected with high-capacity FLASH memory 16, the self-defined configuration parameter that described high-capacity FLASH memory 16 customizes for the default configuration parameters and programming storing dsp processor 1; Described default configuration parameters and self-defined configuration parameter are upgraded by described microcontroller 6 and write in described high-capacity FLASH memory 16.
Above-mentioned preferred implementation should be considered as illustrating of the application's scheme implementation mode, allly to duplicate with the application's scheme, technology that is approximate or that make based on this is deduced, replaces, improvement etc., all should be considered as the protection range of this patent.
Claims (9)
1. a private movie theatre programmable digital processing power amplifier, comprise the digital audio processing passage with multiple independent audio constrained input interfaces, it is characterized in that: described audio frequency treatment channel comprises the dsp processor supporting multi-channel audio process, be located at Audio Matrix and the A/D converting unit of dsp processor input, be located at multi-channel power amplifier unit and the D/A converting unit of dsp processor output, described dsp processor is controlled by a microcontroller, this microcontroller is connected with remote interface module, for receiving the control command sent with the control terminal of its arranging and the parameter feeding back current setting to this control terminal, described microcontroller is according to the operational factor of the control command adjustment dsp processor received.
2. private movie theatre programmable digital processing power amplifier according to claim 1, is characterized in that: described remote interface module comprise USB interface and or RS485 232 interfaces.
3. private movie theatre programmable digital processing power amplifier according to claim 1, it is characterized in that: described digital audio processing passage comprises the first separate voice-grade channel and the second voice-grade channel, the second audio output interface that described first voice-grade channel has the first audio output interface of the first audio input interface and correspondence, described second voice-grade channel has the second audio input interface and correspondence.
4. private movie theatre programmable digital processing power amplifier according to claim 3, is characterized in that: described first voice-grade channel and the second voice-grade channel regulate turn-knob to control by one respectively, and are equipped with the indicator light group of this voice-grade channel operating state of reaction; Described adjustment turn-knob connects described Audio Matrix.
5. private movie theatre programmable digital processing power amplifier according to claim 4, is characterized in that: described indicator light group is made up of some LED light, at least comprises signal condition indicator light, clipping state indicator light and guard mode indicator light.
6. private movie theatre programmable digital processing power amplifier according to claim 1, is characterized in that: be provided with display screen and be positioned at display screen week side adjustment knob, described adjustment knob comprises option keys, upturning key and downturning key.
7. private movie theatre programmable digital processing power amplifier according to claim 1, it is characterized in that: front panel is provided with display screen, regulates knob, regulates turn-knob, indicator light group, RS485 232 interface and USB interface, and front panel both sides are divided and set a pull handle.
8. private movie theatre programmable digital processing power amplifier according to claim 1, it is characterized in that: described audio input interface has the first filter unit, described audio output interface has the second filter unit.
9. the private movie theatre programmable digital processing power amplifier according to any one of claim 1-8, it is characterized in that: described dsp processor is connected with high-capacity FLASH memory, the self-defined configuration parameter that described high-capacity FLASH memory customizes for the default configuration parameters and programming storing dsp processor; Described default configuration parameters and self-defined configuration parameter are upgraded by described microcontroller and write in described high-capacity FLASH memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420684882.3U CN204334500U (en) | 2014-11-15 | 2014-11-15 | Private movie theatre programmable digital processing power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420684882.3U CN204334500U (en) | 2014-11-15 | 2014-11-15 | Private movie theatre programmable digital processing power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204334500U true CN204334500U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420684882.3U Active CN204334500U (en) | 2014-11-15 | 2014-11-15 | Private movie theatre programmable digital processing power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204334500U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488677A (en) * | 2019-07-22 | 2019-11-22 | 国营芜湖机械厂 | A kind of power amplifying device control cabinet man-machine interface system and its control method |
| CN111901726A (en) * | 2020-07-29 | 2020-11-06 | 广州市迪士普音响科技有限公司 | Automatic silent sound preamplifier system and control method thereof |
-
2014
- 2014-11-15 CN CN201420684882.3U patent/CN204334500U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488677A (en) * | 2019-07-22 | 2019-11-22 | 国营芜湖机械厂 | A kind of power amplifying device control cabinet man-machine interface system and its control method |
| CN111901726A (en) * | 2020-07-29 | 2020-11-06 | 广州市迪士普音响科技有限公司 | Automatic silent sound preamplifier system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gan Junjie Inventor before: Tao Ran |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170331 Address after: 519000 Guangdong, Xiangzhou Province Xinghua Road, No. 3, No. 109 Patentee after: Zhuhai Valley Technology Co., Ltd. Address before: 164000 Bei'an, Guangdong Province, the community of the residents of the neighborhood committee of the 6 group of 24 households in Heilongjiang, twenty-fourth Patentee before: Tao Ran |
|
| TR01 | Transfer of patent right |