CN206433131U - Network audio digital active sound box - Google Patents
Network audio digital active sound box Download PDFInfo
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- CN206433131U CN206433131U CN201720066652.4U CN201720066652U CN206433131U CN 206433131 U CN206433131 U CN 206433131U CN 201720066652 U CN201720066652 U CN 201720066652U CN 206433131 U CN206433131 U CN 206433131U
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- 239000013307 optical fiber Substances 0.000 claims abstract description 14
- 230000005236 sound signal Effects 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Abstract
The utility model discloses a network audio digital active sound box, which comprises an analog signal interface, a coaxial interface, an optical fiber interface, a network cable interface and a WIFI receiving module; the analog signal interface is connected to the input end of the data selector through a high-precision A/D converter; the coaxial interface and the optical fiber interface are connected to the input end of the data selector; the network interface and the WIFI receiving module are in communication connection with the network card assembly; the network card component is connected to the input end of the data selector; the output ends of the data selectors are connected to the DSP audio signal processing circuit; the address end of the data selector is connected to the controller; the controller is electrically connected with a plurality of signal detection circuits; the utility model discloses an active audio amplifier of network audio frequency digit, the interface is abundant, can realize digital signal input and analog signal input, and the wired input of digital signal and the wireless input of digital signal, and through controller control data selector, reach the purpose of automatic selection channel.
Description
Technical field
The utility model is related to a kind of power amplifier, and in particular to a kind of network audio digital active loudspeaker, belongs to power amplifier skill
Art field.
Background technology
Existing network audio is without compression transmission remote control technology, digital audio power amplifying technique and high-fidelity specialty
Sound technique all can only individually control stereo set, and network audio digital active loudspeaker remotely supervises network audio without compression transmission
Control technology, digital audio power amplifying technique and high-fidelity Professional sound box technology are combined, such as Chinese Patent Application No.：
200920058099.5, a kind of network audio is disclosed without compression transmission remote control technology, digital audio frequency power amplifier skill
Art and high-fidelity Professional sound box technology are combined equipment.It includes network audio without compression transmission remote monitoring module, digital work(
Rate amplifier and Hi-Fi sound-box unit, the network audio believe the numeral in network without compression transmission remote monitoring module
Number received by network audio without compression transmission remote control technology and change into analog signal and input to digital power amplifier, so
Audio amplifier unit is promoted by digital power amplifier output afterwards.The utility model is easy to use, than existing network audio without compression
Transmit remote supervisory and control(ling) equipment, many digital audio frequency power amplifier function and high-fidelity Professional sound boxes；Than existing digital power
The many network audios of amplifier apparatus are more special than existing high-fidelity without compression transmission remote monitoring function and high-fidelity Professional sound box
The many digital power amplifier functions of industry audio amplifier and network audio are without compression transmission remote monitoring function；But its interface is single, and
Channel selecting can not be combined and played with conventional analog signal interface.
Utility model content
To solve the above problems, the utility model proposes a kind of network audio digital active loudspeaker, numeral can be realized
Signal is inputted and analog signal input, and data signal wired input and data signal are wirelessly input to, and control number by controller
According to selector, the purpose for automatically selecting channel is reached.
Network audio digital active loudspeaker of the present utility model, including analog signal interface, coaxial interface, optical fiber interface,
Cable interface and WIFI receiving modules；It is defeated that the analog signal interface is connected to data selector by high-precision a/d converter
Enter end；The coaxial interface and optical fiber interface are connected to data selector input；Cable interface and the WIFI receiving module
Communicate to connect network interface card component；The network interface card component is connected to data selector input；The data selector output end connects
It is connected to DSP audio signal processing circuits；Data selector address end is connected to controller；The controller is electrically connected with many
Individual signal deteching circuit；The signal deteching circuit is connected to analog signal interface, coaxial interface, optical fiber interface, netting twine respectively
Interface and WIFI receiving module inputs；The DSP audio signal processing circuits output end is connected to pre-amplification circuit, described
Pre-amplification circuit output end is connected to power amplifier；The power amplifier output end is connected to audio output circuit；The sound
Frequency output circuit output end is connected to broadcasting sound equipment；Priority encoding is realized by controller；When multiple signal deteching circuits simultaneously
Detect after signal, selected grade highest input interface, and address is sent to data selector address end by controller；
Data selector opens corresponding address input/output port, realizes that audio signal enters DSP Audio Signal Processings all the way
Circuit carries out audio frequency process, power amplification and broadcasting.
As preferred embodiment, the broadcasting sound equipment is high-fidelity music center.
As preferred embodiment, the controller, data selector and DSP audio signal processing circuits have LLC
Switching Power Supply is powered.
As preferred embodiment, the analog signal interface, coaxial interface, optical fiber interface, cable interface and WIFI
Receiving module output end is provided with independent switch；The independent control of a certain input channel is realized by independent switch.
As preferred embodiment, the controller is electrically connected with row's passage indicator lamp, when a certain paths gating
Afterwards, the road indicator lamp is lighted.
The utility model compared with prior art, network audio digital active loudspeaker of the present utility model, rich interface,
Data signal input and analog signal input can be realized, data signal wired input and data signal are wirelessly input to, and are passed through
Controller control data selector, reaches the purpose for automatically selecting channel.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Embodiment
Embodiment 1：
As shown in figure 1, network audio digital active loudspeaker of the present utility model, including analog signal interface 1, coaxial interface
2nd, optical fiber interface 3, cable interface 4 and WIFI receiving modules 5；The analog signal interface 5 is connected by high-precision a/d converter 6
It is connected to the input of data selector 7；The coaxial interface 2 and optical fiber interface 3 are connected to the input of data selector 7；The net
Line interface 4 and the communication connection network interface card of WIFI receiving modules 5 component 8；The network interface card component 8 is connected to the input of data selector 7；
The output end of data selector 7 is all connected to DSP audio signal processing circuits 9；The address end of data selector 7 is connected to
Controller 10；The controller 10 is electrically connected with multiple signal deteching circuits 11；The signal deteching circuit 11 is connected to respectively
Analog signal interface 1, coaxial interface 2, optical fiber interface 3, cable interface 4 and the input of WIFI receiving modules 5；The DSP audios
The output end of signal processing circuit 9 is connected to pre-amplification circuit 12, and the output end of pre-amplification circuit 12 is connected to power amplifier electricity
Road 13；The output end of power amplifier 13 is connected to audio output circuit 14；The output end of audio output circuit 14 is connected to
Play sound equipment 15；Priority encoding is realized by controller；After multiple signal deteching circuits have been detected simultaneously by signal, selection etc.
Level highest input interface, and address is sent to data selector address end by controller；Data selector will be corresponding
Location input/output port is opened, and is realized that audio signal enters DSP audio signal processing circuits all the way and is carried out audio frequency process, power
Amplification and broadcasting.
Embodiment 2：
Network audio digital active loudspeaker of the present utility model, the analog signal interface 1, coaxial interface 2, optical fiber interface
3rd, cable interface 4 and the output end of WIFI receiving modules 5 are provided with independent switch 16；A certain input is realized by independent switch 16
The independent control of passage.
Embodiment 3：
Network audio digital active loudspeaker of the present utility model, the controller 10 is electrically connected with row's passage indicator lamp
17, after a certain paths are gated, the road indicator lamp is lighted.
Wherein, the broadcasting sound equipment 15 is high-fidelity music center.The controller 10, data selector 7 and DSP audio signals
Process circuit 9 has LLC Switching Power Supplies to power.
Network audio digital active loudspeaker of the present utility model, rich interface can realize data signal input and simulate
Signal is inputted, and data signal wired input and data signal are wirelessly input to, and by controller control data selector, is reached certainly
The purpose of dynamic selection channel.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (5)
1. a kind of network audio digital active loudspeaker, it is characterised in that：Including analog signal interface, coaxial interface, optical fiber interface,
Cable interface and WIFI receiving modules；It is defeated that the analog signal interface is connected to data selector by high-precision a/d converter
Enter end；The coaxial interface and optical fiber interface are connected to data selector input；Cable interface and the WIFI receiving module
Communicate to connect network interface card component；The network interface card component is connected to data selector input；The data selector output end connects
It is connected to DSP audio signal processing circuits；Data selector address end is connected to controller；The controller is electrically connected with many
Individual signal deteching circuit；The signal deteching circuit is connected to analog signal interface, coaxial interface, optical fiber interface, netting twine respectively
Interface and WIFI receiving module inputs；The DSP audio signal processing circuits output end is connected to pre-amplification circuit, described
Pre-amplification circuit output end is connected to power amplifier；The power amplifier output end is connected to audio output circuit；The sound
Frequency output circuit output end is connected to broadcasting sound equipment.
2. network audio digital active loudspeaker according to claim 1, it is characterised in that：The broadcasting sound equipment is high-fidelity
Sound equipment.
3. network audio digital active loudspeaker according to claim 1, it is characterised in that：The controller, data selection
Device and DSP audio signal processing circuits have LLC Switching Power Supplies to power.
4. network audio digital active loudspeaker according to claim 1, it is characterised in that：It is the analog signal interface, same
Axial interface, optical fiber interface, cable interface and WIFI receiving module output ends are provided with independent switch.
5. network audio digital active loudspeaker according to claim 1, it is characterised in that：The controller is electrically connected with one
Arrange passage indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720066652.4U CN206433131U (en) | 2017-01-20 | 2017-01-20 | Network audio digital active sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720066652.4U CN206433131U (en) | 2017-01-20 | 2017-01-20 | Network audio digital active sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206433131U true CN206433131U (en) | 2017-08-22 |
Family
ID=59583539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720066652.4U Active CN206433131U (en) | 2017-01-20 | 2017-01-20 | Network audio digital active sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206433131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471571A (en) * | 2018-02-26 | 2018-08-31 | 深圳市易科声光科技有限公司 | A kind of audio frequency power amplifier and audio system |
-
2017
- 2017-01-20 CN CN201720066652.4U patent/CN206433131U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471571A (en) * | 2018-02-26 | 2018-08-31 | 深圳市易科声光科技有限公司 | A kind of audio frequency power amplifier and audio system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510000 803, Tian'an science and technology development building, Panyu energy saving science and Technology Park, No. 555, Panyu Avenue North, Donghuan street, Panyu District, Guangzhou City, Guangdong Province Patentee after: Tianma Technology (Guangdong) Co.,Ltd. Address before: 101, No. 3, Wangbo 3rd Street South, Dongsha Village, Donghuan Street, Panyu District, Guangzhou City, Guangdong Province, 510000 (location: B301) (can be used as a workshop) Patentee before: GUANGZHOU YUESHENG ELECTRONIC TECHNOLOGY CO.,LTD. |