CN202565280U - Intelligent switching processor for audio signals - Google Patents
Intelligent switching processor for audio signals Download PDFInfo
- Publication number
- CN202565280U CN202565280U CN2012201014046U CN201220101404U CN202565280U CN 202565280 U CN202565280 U CN 202565280U CN 2012201014046 U CN2012201014046 U CN 2012201014046U CN 201220101404 U CN201220101404 U CN 201220101404U CN 202565280 U CN202565280 U CN 202565280U
- Authority
- CN
- China
- Prior art keywords
- circuit
- output
- tunnel
- amplification driving
- outputs
- Prior art date
- 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 - Fee Related
Links
Images
Abstract
The utility model discloses an intelligent switching processor for audio signals. The intelligent switching processor for the audio signals mainly comprises an audio frequency distributor, a broadcast switching circuit, a monitoring switching circuit, a state detection circuit, a PC attenuation circuit, two fault straight-through protection circuits, a broadcast attenuation circuit, a monitoring attenuation circuit, a panel state display circuit, a display attenuation circuit, an LED dynamic display circuit, an output failure detection circuit and ten amplification driving circuits. The intelligent switching processor for the audio signals can be simultaneously inputted with four or less than four channel signals, can realize signal connection between a signal source of four or less than four channels in a broadcast television transmission emission system and a transmitter and can further realize switching output of the signals to the transmitter, monitoring, minicomputer acquisition analysis, automatic broadcast monitoring of the signal source.
Description
Technical field
The utility model relates to a kind of audio signal intelligence handoff processor, the intelligent handoff processor of audio signal that signal is connected between especially a kind of suitable broadcast television transmissions emission system sound intermediate frequency signal source and transmitter.
Background technology
At present in the broadcast television transmissions emission system, signal is connected between audio signal source and transmitter functions of the equipments, interface are single, can't realize switching simultaneously output confession transmitter, monitoring, microcomputer collection analysis, can't show signal source and broadcast monitoring automatically.
The utility model content
The technical problem that the utility model will solve provides a kind of audio signal intelligence handoff processor; Can realize in the broadcast television transmissions emission system that signal is connected between signal source and transmitter; And can switch output confession transmitter, monitoring, microcomputer collection analysis simultaneously, the realization signal source is broadcasted monitoring automatically.
The utility model solves the problems of the technologies described above with following technical scheme:
The utility model audio signal intelligence handoff processor, it mainly by audio distribution device 1, broadcast commutation circuit 2, monitor commutation circuit 3, state detection circuit 4, PC attenuator circuit 5, two straight-through protective circuits 61 and 62 of fault, broadcast attenuator circuit 7, monitor attenuator circuit 8, panel status display circuit 9, show that attenuator circuit 10, LED dynamic display circuit 11, output failure detector circuit 12, amplification driving circuit AM1～AM10 form; After amplification driving circuit AM1～AM4 receives signal CH1～CH4 respectively, input audio distribution device 1; Audio distribution device 1 has four tunnel outputs, and one the tunnel outputs to and broadcasts commutation circuit 2, a tunnel and output to and monitor commutation circuit 3, a tunnel and output to state detection circuit 4, and one the tunnel outputs to PC attenuator circuit 5; Broadcast commutation circuit 2 outputs to amplification driving circuit AM5 after outputing to and broadcasting attenuator circuit 7 again; Monitor commutation circuit 3 output to monitor attenuator circuit 8 after, output to amplification driving circuit AM6 again after, export the output of 1 port from monitoring high resistant; State detection circuit 4 outputs to panel status display circuit 9; After PC attenuator circuit 5 outputs to amplification driving circuit AM7, from CH1～CH4 high resistant output output; Amplification driving circuit AM5 has the output signal of four tunnel parallel connections, the one tunnel output to amplification driving circuit AM8 after, form balance output OUT1; One the tunnel output to amplification driving circuit AM9 after; Form balance output OUT2, the one tunnel output to amplification driving circuit AM10 after, export the output of 2 ports from monitoring high resistant; One the tunnel output to show attenuator circuit 10 after, output to LED dynamic display circuit 11; The LED dynamic display circuit outputs to output failure detector circuit 12; Two straight-through protective circuits 61 and 62 of fault, input channel 1 signal CH1 and passage 2 signal CH2 export and are connected respectively to balance output OUT1 and balance output OUT2 respectively.
The utility model audio signal intelligence handoff processor is provided with the input signal CH1～CH4 of four passages, imports the amplification driving circuit AM1～AM4 of respective channel respectively with parallel way.
The utility model can be imported the channel signal below 4 or 4; Can realize in the broadcast television transmissions emission system that 4 or 4 are connected with signal between the signal source of lower channel and transmitter; And can switch output confession transmitter, monitoring, microcomputer collection analysis simultaneously, the realization signal source is broadcasted monitoring automatically.
Description of drawings
Fig. 1 is the circuit diagram of the utility model.
Among the figure:
1---the audio distribution device
2---broadcast commutation circuit
3---monitor commutation circuit
4---state detection circuit
5---the PC attenuator circuit
61---first fault leads directly to protective circuit
62---second fault leads directly to protective circuit
7---broadcast attenuator circuit
8---monitor attenuator circuit
9---the panel status display circuit
10---show attenuator circuit
11---the LED dynamic display circuit
12---the output failure detector circuit
AM1～AM10---amplification driving circuit
Embodiment
Below in conjunction with accompanying drawing the utility model is done further to describe:
The intelligent handoff processor of the utility model audio signal mainly is made up of audio distribution device 1, broadcast commutation circuit 2, monitoring commutation circuit 3, state detection circuit 4, PC attenuator circuit 5, the straight-through protective circuit 61 of first fault, the straight-through protective circuit 62 of second fault, broadcast attenuator circuit 7, monitoring attenuator circuit 8, panel status display circuit 9, demonstration attenuator circuit 10, LED dynamic display circuit 11, output failure detector circuit 12, amplification driving circuit AM1～AM10.Shown in figure one.
After amplification driving circuit AM1～AM4 receives the signal CH1～CH4 of four passages respectively, input audio distribution device 1.Audio distribution device 1 has four tunnel outputs, and one the tunnel outputs to broadcast commutation circuit 2, a tunnel outputs to monitoring commutation circuit 3; One the tunnel outputs to state detection circuit 4; One the tunnel outputs to PC attenuator circuit 5.Broadcast commutation circuit 2 outputs to amplification driving circuit AM5 after outputing to and broadcasting attenuator circuit 7 again.Monitor commutation circuit 3 output to monitor attenuator circuit 8 after, output to amplification driving circuit AM6 again after, export the output of 1 port from monitoring high resistant.State detection circuit 4 outputs to panel status display circuit 9.After PC attenuator circuit 5 outputs to amplification driving circuit AM7, from CH1～CH4 high resistant fan-out output.Amplification driving circuit AM5 has the output signal of four tunnel parallel connections, the one tunnel output to amplification driving circuit AM8 after, form balance output OUT1; One the tunnel output to amplification driving circuit AM9 after, form balance output OUT2; One the tunnel output to amplification driving circuit AM10 after, export the output of 2 ports from monitoring high resistant; One the tunnel output to show attenuator circuit 10 after, output to LED dynamic display circuit 11 again.LED dynamic display circuit 11 outputs to output failure detector circuit 12.Two straight-through protective circuits 61 and 62 of fault, input channel 1 signal CH1 and passage 2 signal CH2 export and are connected respectively to balance output OUT1 and balance output OUT2 respectively.
The normal working condition of equipment is following: under equipment normal power-up working condition, and after the signal CH1～CH4 of four passages imports corresponding amplification driving circuit AM1～AM4 amplification respectively, input audio distribution device 1.Audio distribution device 1 can select one the tunnel as main output according to the quality of each road signal, and is distributed into four tunnel parallel connection signals and delivers to respectively and broadcast commutation circuit 2, monitor commutation circuit 3, state detection circuit 4 and PC attenuator circuit circuit 5.Broadcast commutation circuit 2 outputs through after broadcasting attenuator circuit 7 adjusting output attenuatoin amounts, output to amplification driving circuit AM5.Amplification driving circuit AM5 has the output signal of four tunnel parallel connections, and wherein two-way through after amplification driving circuit AM8 and AM9 amplification and accomplishing non-equilibrium/balance conversion, forms balance output OUT1 and balance output OUT2 respectively.One the tunnel outputs to amplification driving circuit AM10 amplifies the output of back formation high resistant, exports the output of 2 ports from monitoring high resistant; One the tunnel output to show attenuator circuit 10 after, output to LED dynamic display circuit 11.
The monitoring high resistant is exported 1 port and is exported the output port that 2 ports are monitoring signal with the monitoring high resistant, realizes the monitor function to signal.One road monitoring signal is after importing 3 outputs of monitoring commutation circuit through audio distribution device 1, after monitoring attenuator circuit 8 adjusting level amounts, after amplification driving circuit AM6 amplification, to export the output of 1 end from monitoring high resistant again; Another road monitoring signal be through after the amplification driving circuit AM5 output again after amplification driving circuit AM10 amplifies, export the output of 2 ends from monitoring high resistant.
The utility model is provided with the output of four road high resistants, and one tunnel output of audio distribution device 1 is amplified through amplification driving circuit AM7 after regulating level through PC attenuator circuit 5 again, from CH1～CH4 high resistant output output.
The utlity model has Presentation Function, can be through the testing result of panel state shows signal circuit 9 show state testing circuits 4; After amplifying through amplification driving circuit AM5 simultaneously, one tunnel output is arranged, deliver to LED dynamic display circuit 11, show output state signal with the sound column form through after showing that attenuator circuit 10 is regulated level.
Working condition during fault is following: when device powers down does not have under dispatch from foreign news agency and the equipment self failure condition; Input signal CH1, CH2 directly deliver to balance output OUT1 and balance output OUT2 through straight-through protection 61 of fault and the straight-through protection 62 of fault respectively; Realize the straight-through function of equipment fault, guarantee the stable of system.Whether simultaneously, LED dynamic display circuit 11 outputs to failure detector circuit 12, can exist fault to detect to 4 road signals of input.
Claims (2)
1. audio signal intelligence handoff processor; It is characterized in that, it mainly by audio distribution device (1), broadcast commutation circuit (2), monitor commutation circuit (3), state detection circuit (4), PC attenuator circuit (5), two straight-through protective circuits (61) of faults with (62), broadcast attenuator circuit (7), monitor attenuator circuit (8), panel status display circuit (9), show attenuator circuit (10), LED dynamic display circuit (11), export failure detector circuit (12), amplification driving circuit AM1～AM10 forms; After amplification driving circuit AM1～AM4 receives signal CH1～CH4 respectively, input audio distribution device (1); Audio distribution device (1) has four tunnel outputs, and one the tunnel outputs to broadcast commutation circuit (2), and one the tunnel outputs to monitoring commutation circuit (3), and one the tunnel outputs to state detection circuit (4), and one the tunnel outputs to PC attenuator circuit (5); Broadcast commutation circuit (2) outputs to amplification driving circuit AM5 after outputing to and broadcasting attenuator circuit (7) again; Monitor commutation circuit (3) output to monitor attenuator circuit (8) after, output to amplification driving circuit AM6 again after, from monitoring the output of high resistant output (1) port; State detection circuit (4) outputs to panel status display circuit (9); After PC attenuator circuit (5) outputs to amplification driving circuit AM7, from CH1～CH4 high resistant output output; Amplification driving circuit AM5 has the output signal of four tunnel parallel connections, the one tunnel output to amplification driving circuit AM8 after, form balance output OUT1; One the tunnel output to amplification driving circuit AM9 after; Form balance output OUT2, the one tunnel output to amplification driving circuit AM10 after, export the output of 2 ports from monitoring high resistant; One the tunnel output to show attenuator circuit (10) after, output to LED dynamic display circuit (11); The LED dynamic display circuit outputs to output failure detector circuit (12); Two faults lead directly to protective circuit (61) and (62), and input channel 1 signal CH1 and passage 2 signal CH2 export and are connected respectively to balance output OUT1 and balance output OUT2 respectively.
2. audio signal intelligence handoff processor according to claim 1 is characterized in that, is provided with the input signal CH1～CH4 of four passages, imports the amplification driving circuit AM1～AM4 of respective channel respectively with parallel way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201014046U CN202565280U (en) | 2012-03-16 | 2012-03-16 | Intelligent switching processor for audio signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201014046U CN202565280U (en) | 2012-03-16 | 2012-03-16 | Intelligent switching processor for audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202565280U true CN202565280U (en) | 2012-11-28 |
Family
ID=47214882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201014046U Expired - Fee Related CN202565280U (en) | 2012-03-16 | 2012-03-16 | Intelligent switching processor for audio signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202565280U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105451148A (en) * | 2015-01-15 | 2016-03-30 | 西安原创电子科技有限公司 | Broadcasting-signal-preferred multimedia teaching power amplifier |
| CN108012148A (en) * | 2018-01-16 | 2018-05-08 | 吉林省广播电视研究所(吉林省新闻出版广电局科技信息中心) | Broadcast television audio quality real-time monitoring and the device and method to automatically switch |
-
2012
- 2012-03-16 CN CN2012201014046U patent/CN202565280U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105451148A (en) * | 2015-01-15 | 2016-03-30 | 西安原创电子科技有限公司 | Broadcasting-signal-preferred multimedia teaching power amplifier |
| CN108012148A (en) * | 2018-01-16 | 2018-05-08 | 吉林省广播电视研究所(吉林省新闻出版广电局科技信息中心) | Broadcast television audio quality real-time monitoring and the device and method to automatically switch |
| CN108012148B (en) * | 2018-01-16 | 2023-12-22 | 吉林省广播电视研究所(吉林省新闻出版广电局科技信息中心) | Device and method for monitoring and automatically switching audio quality of broadcast television in real time |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202059375U (en) | Device for automatic fault detection and hot standby of power amplifier | |
| CN102970076B (en) | A kind of photoelectric detective circuit | |
| WO2012067436A3 (en) | Multi-channel broadcasting system using a digital matrix amplifier and method for controlling same | |
| CN205105237U (en) | Novel public broadcasting system of IP network twine | |
| CN202565280U (en) | Intelligent switching processor for audio signals | |
| CN103792413A (en) | Multi-channel weak signal acquisition circuit | |
| CN108390726A (en) | A kind of cable television photo-receiver | |
| CN107863974A (en) | A kind of solid state transmitter prime network automatic switching control system | |
| CN209390022U (en) | Audio-frequency power amplifier and broadcast system | |
| CN202565384U (en) | Intelligent switching processor for video signals | |
| CN206149276U (en) | Light switching switch RF power detection circuit | |
| CN205249374U (en) | Television signal source automatic switching control equipment | |
| CN206433131U (en) | A kind of network audio digital active loudspeaker | |
| CN207200876U (en) | Multinuclear video capture device | |
| CN203759453U (en) | Multiple channel weak signal acquisition circuit | |
| CN201733392U (en) | Electric amplification-optical receiving integrated device of wired television transmission network | |
| CN102904657B (en) | Frequency modulation broadcast listening monitoring receiver | |
| CN207475564U (en) | Positive optical receiving circuit with backup | |
| CN201893755U (en) | Signal acquisition system | |
| CN207766232U (en) | A kind of high power amplifier with multiband | |
| CN203225869U (en) | Multichannel monitoring controller | |
| CN201750417U (en) | Two-way network management optical workstation | |
| CN201550122U (en) | Optically controlled optical receiver adopting automatic gain control | |
| CN204258741U (en) | A kind of power amplification device for repeater | |
| CN202750119U (en) | Movie hall audio signal control monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20130316 |