CN201438753U - Network audio digital amplifier - Google Patents
Network audio digital amplifier Download PDFInfo
- Publication number
- CN201438753U CN201438753U CN2009200580904U CN200920058090U CN201438753U CN 201438753 U CN201438753 U CN 201438753U CN 2009200580904 U CN2009200580904 U CN 2009200580904U CN 200920058090 U CN200920058090 U CN 200920058090U CN 201438753 U CN201438753 U CN 201438753U
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- China
- Prior art keywords
- audio
- digital
- power amplifier
- network
- signal processing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to equipment which combines the technology of network audio non-compression transmission and DSP audio signal processing and the technology of a digital audio power amplifier. The network audio digital amplifier comprises a digital audio power amplifier, wherein the digital audio power amplifier is connected with an audio output circuit, and the digital power amplifier is connected with a network audio non compression transmission and DSP audio signal processing module. The utility model has convenient use, additionally has the function of a digital audio power amplifier compared with the existing audio network control equipment, and further has an audio network control function compared with the existing digital power amplifier.
Description
Technical field
The utility model relates to a kind of network audio does not have compression transmission, the DSP Audio Signal Processing technology equipment that combines with the digital audio frequency power amplifier technology.
Background technology
Existing network audio does not have compression transmission, DSP Audio Signal Processing technology and digital audio frequency power amplifier technology, all can only control stereo set separately, and network audio digital power amplifier machine, with network audio do not have compression transmission, DSP Audio Signal Processing technology combines together with the digital audio frequency power amplifier technology, thereby realize that network audio does not have that compression is transmitted, DSP Audio Signal Processing technology and digital audio frequency power amplifier technology be in one network audio digital power amplifier machine.
Summary of the invention
The purpose of this utility model is to overcome the weak point that above-mentioned prior art is used separately, provides a kind of network audio not have compression transmission, DSP Audio Signal Processing technology and digital power amplifier equipment in the network audio digital power amplifier machine of one.
To achieve these goals, the utility model adopts following technical scheme:
It comprises a digital audio frequency power amplifier, and described digital audio frequency power amplifier connects an audio output circuit, and its improvement is: described digital power amplifier connects a network audio does not have compression transmission and DSP audio-frequency signal processing module.
Preferably, described digital audio digital power amplifier comprises digital audio pre-amplification circuit and coupled digital audio power amplification circuit.
Preferably, described network audio does not have compression transmission and DSP audio-frequency signal processing module and comprises that analogue audio frequency input and network digital input circuit and coupled network audio do not have compression transmission and DSP audio signal processing circuit, and described network audio does not have the compression transmission and is connected with the digital audio pre-amplification circuit with the DSP audio signal processing circuit.
Compared with prior art, the utility model is easy to use, has Duoed the digital audio frequency power amplifier function than existing audio network control appliance, has Duoed the audio network controlled function than existing digital power amplifier equipment.
Description of drawings
Fig. 1 constitutes block diagram for the utility model.
Embodiment
As shown in Figure 1, it comprises a digital power amplifier, described digital audio frequency power amplifier connects an audio output circuit 6, described digital audio frequency power amplifier connects an audio output circuit, and described digital power amplifier connects a network audio does not have compression transmission and DSP audio-frequency signal processing module.
The described digital audio digital power amplifier of present embodiment comprises digital audio pre-amplification circuit 1 and coupled digital audio power amplification circuit 2.
The described network audio of present embodiment does not have compression transmission and DSP audio-frequency signal processing module and comprises that analogue audio frequency input and network digital input circuit 3 and coupled network audio do not have compression transmission and DSP audio signal processing circuit 4, and described network audio does not have the compression transmission and is connected with digital audio pre-amplification circuit 1 with DSP audio signal processing circuit 4.
The said equipment all is connected with Switching Power Supply 5, provides working power by Switching Power Supply 5.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (3)
1. network audio digital power amplifier machine, it comprises a digital audio frequency power amplifier, described digital audio frequency power amplifier connects an audio output circuit, it is characterized in that: described digital power amplifier connects a network audio does not have compression transmission and DSP audio-frequency signal processing module.
2. network audio digital power amplifier machine as claimed in claim 1 is characterized in that: described digital audio digital power amplifier comprises digital audio pre-amplification circuit and coupled digital audio power amplification circuit.
3. network audio digital power amplifier machine as claimed in claim 2, it is characterized in that: described network audio does not have compression transmission and DSP audio-frequency signal processing module and comprises that analogue audio frequency input and network digital input circuit and coupled network audio do not have compression transmission and DSP audio signal processing circuit, and described network audio does not have the compression transmission and is connected with the digital audio pre-amplification circuit with the DSP audio signal processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200580904U CN201438753U (en) | 2009-06-09 | 2009-06-09 | Network audio digital amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200580904U CN201438753U (en) | 2009-06-09 | 2009-06-09 | Network audio digital amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201438753U true CN201438753U (en) | 2010-04-14 |
Family
ID=42400723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200580904U Expired - Lifetime CN201438753U (en) | 2009-06-09 | 2009-06-09 | Network audio digital amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201438753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102711019A (en) * | 2012-03-12 | 2012-10-03 | 东莞市龙健电子有限公司 | Network drawing type digital power amplifier system |
| CN104869510A (en) * | 2015-05-26 | 2015-08-26 | 周玲 | Voice circuit structure |
-
2009
- 2009-06-09 CN CN2009200580904U patent/CN201438753U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102711019A (en) * | 2012-03-12 | 2012-10-03 | 东莞市龙健电子有限公司 | Network drawing type digital power amplifier system |
| CN104869510A (en) * | 2015-05-26 | 2015-08-26 | 周玲 | Voice circuit structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100414 |