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WO2009046582A1 - Système de commutation vidéo/audio multifonctionnel - Google Patents

Système de commutation vidéo/audio multifonctionnel Download PDF

Info

Publication number
WO2009046582A1
WO2009046582A1 PCT/CN2007/003108 CN2007003108W WO2009046582A1 WO 2009046582 A1 WO2009046582 A1 WO 2009046582A1 CN 2007003108 W CN2007003108 W CN 2007003108W WO 2009046582 A1 WO2009046582 A1 WO 2009046582A1
Authority
WO
WIPO (PCT)
Prior art keywords
video
electrically connected
audio
port
mcu
Prior art date
Application number
PCT/CN2007/003108
Other languages
English (en)
Chinese (zh)
Inventor
Meihsiang Chou
Original Assignee
Meihsiang Chou
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Meihsiang Chou filed Critical Meihsiang Chou
Publication of WO2009046582A1 publication Critical patent/WO2009046582A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects

Definitions

  • the present invention relates to a signal switching system, and more particularly to a multi-function video switching system including switching of audio, video and security monitoring signals and broadcasting, calling and even emergency calling. Background technique
  • the existing monitoring system In order to facilitate external contact, it is also necessary to install a call system that connects each room, and even an emergency barking system to contact the outside world in time for emergency situations. When there is something to be notified, a broadcasting system must be installed. . In order to prevent and prevent the installation of multiple anti-theft monitoring devices in some places, the existing monitoring system generally has a monitoring room with multiple display terminals. The staff can only monitor the scene before the display terminal.
  • the present invention provides a function of not only switching various audio and video signals but also using a display terminal.
  • the anti-theft monitoring device can also be used to set up a call or emergency call and a multi-functional video switching system of the broadcasting system in the system to meet the needs of users.
  • the technical solution adopted by the present invention to solve the technical problem is: a host, a line controller electrically connected to the host through a wire; the host is provided with a video switching unit group and at least one video input port electrically connected thereto And the at least one video output port, the video switching unit group includes a video switching unit that is a product of the number of video input ports and the number of video output ports; the video switching unit group is further electrically connected to the MCU, Switching the input video signal, the video output port is electrically connected to the MCU in two directions; the host is further provided with an audio switching unit group and at least one audio input port and at least one audio output port respectively electrically connected thereto, and audio switching
  • the unit group includes an audio switching unit having a quantity of the number of audio input ports and the number of audio output ports; the audio switching unit group is also electrically connected to the MCU for switching the input audio signal;
  • the device is provided with a control microprocessor and a port connected thereto bidirectionally, and the port is electrically connected to a
  • the port is also electrically connected to the host video output port through a wire
  • the video input port further includes a set of ports connected to the camera through the wire to input the camera video signal
  • the system is further provided with a set of microphones and The MCU, the broadcast system controller, the audio amplifier, and the output terminal are sequentially connected to each other to form a broadcast system.
  • the host video output port is an RJ45 port, and a plurality of RJ45 ports are respectively electrically connected to the corresponding wire controller port strands, and specifically, the eight RJ45 ports respectively correspond to the eight line controller ports through the stranded wires. Electrical connection.
  • the input port group connected to the camera is four connection ports, and the four camera inputs are electrically connected by wires and automatically patrol and scan.
  • the system can be electrically connected to a plurality of matching extensions through wires, and each extension is electrically connected to a plurality of wire controllers through wires.
  • the specific system is electrically connected to 32 extensions through wires, and each extension wire is electrically connected. There are 8 line controllers connected.
  • the input and output video signals are digital or analog signals.
  • the controllers are respectively provided with a specific identification code (ID).
  • ID specific identification code
  • the line controller further comprises a call system consisting of an MCU and a volume sound quality adjustment module and an audio amplifier and a power output.
  • the line controller further adds a set of emergency call buttons electrically connected to the MCU.
  • the MCU is electrically connected to an infrared emitting device on the host
  • the wire controller is provided with an infrared receiving device matched thereto
  • the control microprocessor is further connected with an LED display window. Connected, used to transmit and receive the current connection status of the MCU and display it.
  • the audio switching unit group is electrically connected to the volume sound quality adjusting module and the audio amplifier and the output terminal.
  • the MCU is electrically connected to a volume sound quality adjustment module, and the volume sound quality adjustment module is electrically connected to the audio amplifier and connected to the output terminal.
  • the invention has the following advantages: (1) various video and audio signals can be switched and outputted by a line controller; integrating various digital audio and video equipments into one and multiple routes Control switching output, simple and compact structure, convenient installation, management and maintenance; more convenient operation; (2)
  • the system can use the display terminal as anti-theft monitoring equipment, and also install an independent broadcasting system to meet the different needs of users; (3) External calls and emergency calls can also be realized through the line controller, which facilitates external communication; (4) The cost is lower.
  • 1 is a block diagram showing the circuit principle of the host of the present invention.
  • FIG. 2 is a block diagram showing the circuit principle of the line controller of the present invention. detailed description
  • FIG. 1 is a circuit block diagram of a host of the present invention
  • FIG. 2 is a circuit block diagram of a line controller of the present invention, which together constitute a multifunctional video switching system for implementing switching of various audio and video signals and including security monitoring And the application of external broadcast, voice call, emergency call.
  • the system includes a plurality of audio and video signal ports and a switching unit group.
  • the video signal port includes a video input port and a video output port.
  • the video input port can be used for inputting various digital or analog video signals, and the video switching unit can be switched.
  • the required video signal output; at least one video input port, at least one video output port, and the video switching unit group includes a video switching unit having a product of the number of video input ports and the number of video output ports.
  • At least one audio input port, at least one audio output port, and the audio switching unit group includes an audio switching unit that is a product of the number of audio input ports and the number of audio output ports;
  • the host and the 8 line controllers are respectively connected by wires; as shown in Figure 1;
  • the video input ports include two groups; one is a common video input port 1 (such as CD, VCD, DVD, TV, VGA, MPEG4, games, computer, etc.), and the other is a video input port for security monitoring. 2.
  • Input the respective image resources through the wires; and connect the video switching unit group 4, and the video switching unit group 4 is electrically connected to the host video output port RJ45 interface 8; the audio input port 3 inputs each audio resource through the wire and is electrically connected.
  • the audio switching unit group 6, the audio switching unit group 6 is connected to the volume sound quality adjusting module 9 and the audio amplifier 10 and the speaker 11 for output; in the figure, it can also be seen that the MCU is electrically connected to the video switching unit group 4 and the audio switching unit group 6, respectively. And the RJ45 interface 8, the volume sound quality adjustment module 9, the broadcast system controller 12, and the infrared emitting device 13; wherein the MCU and the RJ45 interface 8 are bidirectionally connected.
  • 2 is a circuit block diagram of the line controller.
  • the control microprocessor 15 is respectively connected to the port 81, the control switch 14, the infrared receiving device 1 31, and the LED display window 16; wherein the port 81 is bidirectionally connected.
  • the RJ45 interface 8 of the host and the port 81 on the remote controller are electrically connected by a wire, and the port 81 on the wire controller is electrically connected to the video output of the display terminal (television, display) jack 17 .
  • the port 81 on the line controller is also the RJ45 port, also referred to as the RJ45 port.
  • the controllers that are electrically connected to the RJ45 port 8 of the host through the wires are eight (or may be multiple), and each of the wire controllers is respectively provided with a corresponding identification code (ID), which is placed in different In the room, when the operator first opens the remote control switch 14 and selects a switching command through the remote control panel function button and presses the button to confirm, since the control microprocessor 15 on the remote controller and the RJ45 port 81 on the remote controller are bidirectional The control sends a command from the microprocessor 15 to the port 81.
  • the port 81 transmits the command signal to the RJ45 port 8 on the host through the wire.
  • the command signal is further transmitted to the MCU, and finally processed by the MCU and transmitted to the corresponding switching unit group to perform a switching connection.
  • the instruction is a video signal switching connection
  • the video switching unit 5 is connected to the RJ45 port 8 of the host and outputs the signal.
  • the video signal is transmitted to the RJ45 port 81 of the remote controller and transmitted to the display terminal (television). Display) video output jack 17; when task switching handover security image signal is input, the same operation can also monitor the site where the display terminal may be a specific scene image switching real-time monitoring.
  • the audio switch button of the line controller is also selected according to the above operation method, and the command is transmitted to the control microprocessor 15 and then transmitted to the line controller RJ45 port 81 and transmitted to the RJ45 port 8 of the host through the wire to transmit the command to
  • the MCU transmits to the audio switching group 6 to perform a switching connection, the audio switching unit ⁇ is connected with the volume sound quality adjusting module 9 and the audio amplifier 10 and the speaker 11 , and the MCU is also connected to the volume sound quality adjusting module 9 , and the operator passes the controller panel ⁇ tt
  • the control command can adjust the volume and sound quality at will.
  • the microphone transmits the broadcaster's audio to the MCU and then connects to the broadcast input control module 12 and transmits it to the power amplifier 10 and finally connects the speaker 11 output.
  • the same method as described above will be transmitted to the MCU through the RJ45 port 81 of the control microprocessor 15 and the control microprocessor 15 and transmitted to the RJ45 port 8 of the host through the wire.
  • the identification code (ID) of the controller is transmitted by the MCU through the infrared transmitting device 13 connected thereto, and the matched infrared receiving device 131 on each remote controller receives the signal and is connected through the control microprocessor 15.
  • the LED display window 16 outputs the display so that it is the room that is calling.
  • the system is also provided with an emergency call button; in the event of an emergency or emergency, press the corresponding button on the controller panel for 3 seconds, the control microprocessor 15 will send the corresponding command to the MCU, the MCU through the infrared light connected thereto
  • the transmitting device sends the identification code (ID) of the controller, and the matching infrared receiving device 131 on each remote controller receives the signal, and connects the LED display window 16 through the control microprocessor 15 to output the display. This will tell you that there is a problem with that room.
  • the host of the present invention can also be connected to multiple matching extensions according to the need, and each extension is also connected to multiple controllers through wires.
  • the host can be at most Connect 32 extensions, each extension has 8 controllers connected by wires, which can meet the different needs of users.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

Système de commutation vidéo/audio multifonction constitué des éléments suivants: hôte et unité de commande de ligne connectée à l'hôte par câble électrique. L'hôte comporte des ports d'entrée et de sortie et un groupe multicommutation vidéo; le groupe multicommutation vidéo est connecté électriquement à une unité de commande multipoint (MCU). Le port de sortie vidéo est connecté électriquement à l'unité de commande multipoint de manière bidirectionnele. L'hôte comporte également un port d'entrée audio, un port de sortie audio et un groupe multicommutation audio. Le groupe multicommutation audio lui aussi connecté à l'unité de commande multipoint. Sur l'unité de commande de ligne, on trouve un microrprocesseur de commande et un port à connexion bidirectionnel; ledit port est connecté au port de sortie de l'hôte par un câble. Le port d'entrée vidéo comprend en outre un ensemble de ports reliés électriquement é une caméra pour la réception de signaux vidéo de caméra par un câble. De plus, le système comprend un système de diffusion constitué d'un microphone et d'une unité de commande multipoint, une unité de commande de diffusion, un amplificateur de diffusion et des hauts-parleurs de sortie tous connectés les uns à la suite des autres. Le système vidéo/audio multifonction peut satisfaire les demandes variées d'utilisateurs différents.
PCT/CN2007/003108 2007-10-11 2007-11-01 Système de commutation vidéo/audio multifonctionnel WO2009046582A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200720177887.7 2007-10-11
CNU2007201778877U CN201094160Y (zh) 2007-10-11 2007-10-11 一种多功能影音切换系统

Publications (1)

Publication Number Publication Date
WO2009046582A1 true WO2009046582A1 (fr) 2009-04-16

Family

ID=39902126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/003108 WO2009046582A1 (fr) 2007-10-11 2007-11-01 Système de commutation vidéo/audio multifonctionnel

Country Status (2)

Country Link
CN (1) CN201094160Y (fr)
WO (1) WO2009046582A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106357992B (zh) * 2016-08-26 2020-10-30 中国人民解放军海军文化工作和网络宣传教育中心 一种影音集中控制方法和系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6792323B2 (en) * 2002-06-27 2004-09-14 Openpeak Inc. Method, system, and computer program product for managing controlled residential or non-residential environments
CN1571510A (zh) * 2003-07-22 2005-01-26 威鲸资讯有限公司 一种可共用影音输出装置的系统
CN1855028A (zh) * 2005-04-21 2006-11-01 微星科技股份有限公司 具有扩展视频输出功能的影音多媒体计算机系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6792323B2 (en) * 2002-06-27 2004-09-14 Openpeak Inc. Method, system, and computer program product for managing controlled residential or non-residential environments
CN1571510A (zh) * 2003-07-22 2005-01-26 威鲸资讯有限公司 一种可共用影音输出装置的系统
CN1855028A (zh) * 2005-04-21 2006-11-01 微星科技股份有限公司 具有扩展视频输出功能的影音多媒体计算机系统

Also Published As

Publication number Publication date
CN201094160Y (zh) 2008-07-30

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