CN203233525U - Digital audio matrix having power amplifier function - Google Patents
Digital audio matrix having power amplifier function Download PDFInfo
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- CN203233525U CN203233525U CN 201320105481 CN201320105481U CN203233525U CN 203233525 U CN203233525 U CN 203233525U CN 201320105481 CN201320105481 CN 201320105481 CN 201320105481 U CN201320105481 U CN 201320105481U CN 203233525 U CN203233525 U CN 203233525U
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- power amplifier
- digital audio
- audio matrix
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- utility
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Abstract
The utility model provides a digital audio matrix having a power amplifier function. The digital audio matrix comprises a DSP unit, an audio input interface, an audio output interface and a power amplifier unit. The DSP unit is connected with the audio input interface, the audio output interface and the power amplifier unit. In the embodiment of the utility model, the digital audio matrix has a power amplifier function and a wireless-microphone function through adoption of the built-in digital power amplifier unit and a built-in wireless microphone. Compared with conventional structures, the cost is largely reduced, connections are simplified, and the user experience effect is improved.
Description
Technical field
The utility model relates to the Audio Signal Processing technical field, relates in particular to a kind of digital audio matrix with the power amplifier function.
Background technology
The digital audio matrix is the essential audio signal processing apparatus in large-scale place such as various hotels, assembly hall, stadiums.And at present, the structure of digital audio matrix comprises DSP unit and the audio input interface, audio output interface and the power subsystem that are connected with the DSP unit respectively as shown in Figure 1.When using, this digital audio matrix needs and external power amplification device and microphone is used, and so not only cost is higher, and the wiring complexity, brings a lot of inconvenience.Thereby, be necessary this digital audio matrix is improved, to satisfy user's demand easy to use.
Summary of the invention
The purpose of this utility model is to provide a kind of digital audio matrix with the power amplifier function, reduces production costs, and improves portable.
The purpose of this utility model is achieved through the following technical solutions.
A kind of digital audio matrix with the power amplifier function comprises that the DSP unit reaches audio input interface and the audio output interface that is connected respectively with the DSP unit, also comprises power amplifier unit, and this power amplifier unit is connected with described DSP unit.
Wherein, also comprise wireless microphone, this wireless microphone is connected with the DSP unit.
Wherein, also comprise power subsystem, this power subsystem is connected with the DSP unit.
The utility model compared with prior art, beneficial effect is:
Among the utility model embodiment, the digital audio matrix built-in digital power amplifier unit and wireless microphone, make the digital audio matrix possess power amplifier function and wireless wheat function, compare with traditional structure, greatly reduce cost, simplified line, promoted user's experience effect.
Description of drawings
Fig. 1 is the structural representation of digital audio matrix in the prior art.
The structural representation of the digital audio matrix that Fig. 2 provides for the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also Fig. 2, the digital audio matrix comprises following part in the present embodiment: DSP unit, audio input interface, audio output interface, built-in wireless microphone and power amplifier unit.Wherein, audio input interface, audio output interface, wireless microphone, power amplifier unit are connected with the DSP unit respectively.
The course of work of this digital audio matrix is as follows: the DSP unit receives the simulated audio signal of wireless microphone input, and the laggard line correlation audio frequency of its analog-to-digital conversion is handled, and exports after the processing by power amplifier unit afterwards.
To sum up, in the present embodiment digital audio matrix integrated wireless wheat function and power amplifier function, greatly reduce cost, improved convenience.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (3)
1. the digital audio matrix with the power amplifier function comprises that the DSP unit reaches audio input interface and the audio output interface that is connected respectively with the DSP unit, is characterized in that also comprise power amplifier unit, this power amplifier unit is connected with described DSP unit.
2. the digital audio matrix of band power amplifier function as claimed in claim 1 is characterized in that, also comprises wireless microphone, and this wireless microphone is connected with the DSP unit.
3. the digital audio matrix of band power amplifier function as claimed in claim 1 is characterized in that, also comprises power subsystem, and this power subsystem is connected with the DSP unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105481 CN203233525U (en) | 2013-03-08 | 2013-03-08 | Digital audio matrix having power amplifier function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105481 CN203233525U (en) | 2013-03-08 | 2013-03-08 | Digital audio matrix having power amplifier function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203233525U true CN203233525U (en) | 2013-10-09 |
Family
ID=49289624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320105481 Expired - Lifetime CN203233525U (en) | 2013-03-08 | 2013-03-08 | Digital audio matrix having power amplifier function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203233525U (en) |
-
2013
- 2013-03-08 CN CN 201320105481 patent/CN203233525U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 2, 202-B building, C building, Hua Han Innovation Park, No. 16, Lang Shan Road, Guangdong, Shenzhen, Nanshan District 518000, China Patentee after: SHENZHEN TENDZONE INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 518107, Hua Han Innovation Park office building, 16 Lang Shan Road, Shenzhen, Guangdong, Nanshan District D403 Patentee before: SHENZHEN TENDZONE INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |
Address after: Room 401, Block D, Huahan Innovation Park, 16 Longshan Road, North District, Xili Street, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee after: SHENZHEN TENDZONE INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 518000 202-B, 2 floor, block C, office building, Hua Han Innovation Park, 16 Langshan Road, Nanshan District, Shenzhen, Guangdong. Patentee before: SHENZHEN TENDZONE INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 R & D building 1601, block a, building 7, Wanke Yuncheng phase I, Xili community, Xili street, Nanshan District, Shenzhen City, Guangdong Province (16 / F, block a, building 1, international innovation Valley) Patentee after: SHENZHEN TENDZONE INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: Room 401, Block D, Huahan Innovation Park, 16 Longshan Road, North District, Xili Street, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee before: SHENZHEN TENDZONE INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131009 |
|
| CX01 | Expiry of patent term |