A kind of Long-distance Control digital audio matrixTechnical field
The utility model relates to audio frequency and video field, more specifically, relates to a kind of Long-distance Control digital audio matrix.
Background technology
Analog matrix development time is relatively more of a specified duration, and the stability of a system and maturity are all relatively good, but along with system is to complicated, long-distance transmissions future development, the shortcoming of analog matrix more and more highlights.Traditional analog matrix has as follows " four defects ":
1, area monitoring is among a small circle suitable only for: baseband analog video signals transmission mainly relies on coaxial cable, and its transmission range is short.As adopted video optical multiplexer technical transmission, be also often confined to a city, this just determines simulation monitoring matrix system and is suitable only for place among a small circle.
2, the extended capability of system is poor: for the system built up, and as increased new control point, is difficult to add among original system.
3, to Iarge-scale system, constructional difficulties, Installation and Debugging are complicated.
4, system upgrade difficulty, each producer Products Compatibility is bad.
There is part number Audio Matrix product on the market at present, but existing digital audio matrix product both lacked microphone interface, cannot directly insert microphone to broadcast, and only can run according to the parameter preset, do not possess remote control function, be not easy to alternative use when participating in the cintest, also do not possess on-line communication function, significantly limit the expanded application of digital audio matrix product and other host computer systems.
Utility model content
The utility model provides a kind of Long-distance Control digital audio matrix, directly cannot insert microphone broadcast, be not easy to the technical problem of alternative use when participating in the cintest to solve existing Long-distance Control digital audio matrix product.
The utility model provides a kind of Long-distance Control digital audio matrix, and Long-distance Control digital audio matrix comprises controller, to the display that controller is electrically connected, for receiving the audio input channel of external audio input signal and the audio frequency output channel for generating corresponding audio output signal according to external audio input signal;
Audio input channel comprises the emergency audio input channel be electrically connected with controller, and controller is used for automatically the audio input signal of audio input channel being switched to emergency audio signal when there being emergency audio signal to input;
Audio input channel comprises the alert audio input channel be electrically connected with controller, and controller is used for automatically the audio input channel of access anomalous audio input signal being switched to alert audio input channel when anomalous audio input signal being detected;
Controller is electrically connected a paging microphone input interface, and paging microphone input interface comprises Ethernet interface and network control chip, in order to access the paging signal of paging microphone;
Paging signal comprises paging audio input signal and address of paging, and controller is used for controlling corresponding audio frequency output channel according to address of paging and exports the paging audio output signal corresponding with paging audio input signal;
Audio frequency output channel connects a volume adjustment knob, for controlling audio output signal size;
Long-distance Control digital audio matrix also comprises the on-line communication interface be electrically connected with controller;
Controller electrical connection one is for the network communication device with remote control table communication, and network communication device comprises wireless communication apparatus and ethernet communication device;
The shell of Long-distance Control digital audio matrix is provided with the control button be electrically connected with controller, and control button for keying in control command, controller is according to the cascade connection of control command setting audio input channel and audio frequency output channel.
Further, audio input channel is provided with 16 tunnels.
Further, display comprises liquid crystal display or light-emitting diode display.
Further, audio frequency output channel is provided with 16 tunnels.
Further, on-line communication interface comprises RS232 serial line interface or RS485 serial line interface.
The beneficial effects of the utility model:
The utility model Long-distance Control digital audio matrix, comprise controller, audio input channel and audio frequency output channel, this controller is electrically connected a paging microphone input interface, by this paging microphone input interface energy Remote Acquisitioning paging signal, after this paging signal resolved by controller, control the audio frequency output channel corresponding to address of paging and export the paging audio output signal corresponding with this paging audio input signal, significantly improve the adaptability of Long-distance Control digital audio matrix, even if the utility model Long-distance Control digital audio matrix place host computer system is provided with multiple dispersedly, also exactly paging audio input signal can be sent to corresponding audio input interface according to address of paging.
The utility model digital audio input matrix is also provided with network communication device simultaneously, the network communication between remote control table can be realized by this network communication device, the long-distance intelligent control that commanding can realize audio input channel and audio frequency output channel according to on-site actual situations by remote control table, commanding in host computer system also to be come personally alternative use according to actual conditions, ensures that host computer system runs high efficiency.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the system architecture diagram of the utility model embodiment Long-distance Control digital audio matrix.
Reference numeral:
10, controller; 20, audio input channel; 21, emergency audio input channel; 22, alert audio input channel; 30, on-line communication interface; 40, volume adjustment knob; 50, audio frequency output channel; 60, paging microphone input interface; 70, display; 80, network communication device; 90, button is controlled.
Embodiment
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
With reference to Fig. 1, the utility model preferred embodiment provides a kind of Long-distance Control digital audio matrix, Long-distance Control digital audio matrix comprises controller 10, the display 70 that is electrically connected to controller 10, for receiving the audio input channel 20 of external audio input signal and the audio frequency output channel 50 for generating corresponding audio output signal according to external audio input signal;
Audio input channel 20 comprises the emergency audio input channel 21 be electrically connected with controller 10, and controller 10 is for automatically switching to emergency audio signal by the audio input signal of audio input channel 20 when there being emergency audio signal to input;
Audio input channel 20 comprises the alert audio input channel 22 be electrically connected with controller 10, and controller 10 is for automatically switching to alert audio input channel 22 by the audio input channel 20 of access anomalous audio input signal when anomalous audio input signal being detected;
Controller 10 is electrically connected a paging microphone input interface 60, and paging microphone input interface 60 comprises Ethernet interface and network control chip, in order to access the paging signal of paging microphone;
Paging signal comprises paging audio input signal and address of paging, and controller 10 exports the paging audio output signal corresponding with paging audio input signal for controlling corresponding audio frequency output channel 50 according to address of paging;
Audio frequency output channel 50 connects a volume adjustment knob 40, for controlling audio output signal size;
Long-distance Control digital audio matrix also comprises the on-line communication interface 30 be electrically connected with controller 10;
Controller 10 is electrically connected one for the network communication device 80 with remote control table communication, and network communication device 80 comprises wireless communication apparatus and ethernet communication device;
The shell of Long-distance Control digital audio matrix is provided with the control button 90 be electrically connected with controller 10, and control button 90 for keying in control command, controller 10 is according to the cascade connection of control command setting audio input channel 20 and audio frequency output channel 50.
The utility model preferred embodiment Long-distance Control digital audio matrix, comprise controller 10, audio input channel 20 and audio frequency output channel 50, this controller 10 is electrically connected a paging microphone input interface 60, by this paging microphone input interface 60 energy Remote Acquisitioning paging signal, after this paging signal resolved by controller 10, control the audio frequency output channel 50 corresponding to address of paging and export the paging audio output signal corresponding with this paging audio input signal, significantly improve the adaptability of Long-distance Control digital audio matrix, even if the utility model preferred embodiment Long-distance Control digital audio matrix place host computer system is provided with multiple dispersedly, also exactly paging audio input signal can be sent to corresponding audio input interface according to address of paging.
The utility model digital audio input matrix is also provided with network communication device 80 simultaneously, the network communication between remote control table can be realized by this network communication device 80, commanding can according to the long-distance intelligent control of on-site actual situations realization to cascade connection between audio input channel 20 and audio frequency output channel 50 by remote control table, commanding in host computer system also to be come personally alternative use according to actual conditions, ensures that host computer system runs high efficiency.Further, the utility model preferred embodiment can realize timing routine download and system automatic correcting time by network communication device 80.
In addition, the utility model preferred embodiment is also provided with and controls button 90, even if network communication device 80 fault or telecommunication are interrupted, also adjusts the utility model preferred embodiment in real time by this control button 90.
Further, audio input channel 20 is provided with 16 tunnels.
Further, display 70 comprises liquid crystal display 70 or light-emitting diode display 70.This display 70 is for the working condition of simulative display audio input channel 20 and audio frequency output channel 30, and when anomalous audio input signal being detected, analog image position corresponding with the audio input channel 20 of access anomalous audio input signal on display 70 is protruded and shows, remind report abnormal by dominant visible mode.
Further, audio frequency output channel 50 is provided with 16 tunnels.
Further, on-line communication interface 30 comprises RS232 serial line interface or RS485 serial line interface.The utility model preferred embodiment preferred embodiment can in real time and host computer system link, as the floor manager of fire-fighting system or safety-protection system, related personnel is entered the operating instructions to controller 10 by this on-line communication interface 30, is applicable to rapidly Live Audio and control situation to make the utility model preferred embodiment Long-distance Control digital audio matrix.
The foregoing is only the preferred embodiment of the utility model preferred embodiment, be not limited to the utility model preferred embodiment, for a person skilled in the art, the utility model preferred embodiment can have various modifications and variations.Within all spirit at the utility model preferred embodiment and principle, any amendment done, equivalent replacement, improvement etc., within the protection range that all should be included in the utility model preferred embodiment.