CN213485015U

CN213485015U - Intelligent distributed conference system

Info

Publication number: CN213485015U
Application number: CN202022363202.6U
Authority: CN
Inventors: 邢鸿超
Original assignee: Jiangsu Tax Software Technology Co ltd
Current assignee: Jiangsu Tax Software Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-18
Anticipated expiration: 2030-10-22

Abstract

The utility model relates to a conference system, especially an intelligence distributing type conference system belongs to distributing type conference system's technical field. According to the technical scheme provided by the utility model, the intelligent distributed conference system comprises a plurality of indoor conference devices which can meet the use requirements of indoor conferences, and the indoor conference devices are connected with the distributed multimedia management system through a gigabit network switch; the indoor conference device comprises an audio processing system, a high-definition video input system and a high-definition video output system, wherein the audio processing system is connected with the gigabit network switch and can receive audio input of the speaking system, and the audio processing system outputs voice information of the speaking system through a power amplifier and a sound box. The utility model discloses provide directly perceivedly, publish, transmit various information, improve the accuracy and the scientificity of decision-making, improve the efficiency of meeting.

Description

Intelligent distributed conference system

Technical Field

The utility model relates to a conference system, especially an intelligence distributing type conference system belongs to distributing type conference system's technical field.

Background

In the current society, the internet technology is rapidly developed, people and people are more and more communicated, and a simple conference room cannot meet the requirement of a client on a high-efficiency conference environment, so that an advanced conference environment control system is a necessary choice for conference rooms in various industries at present. Based on the needs of various modern information exchanges, intelligent conferences are very important as a solution for consistent use.

The traditional conference room generally relates to an audio and video transmission switching system, and the system functions of recording and storing a field conference, projecting on a screen, displaying and the like. There are the following problems: the conference rooms are multiple, the positions are scattered, and the signal sources are scattered and not concentrated; the conference system has multiple functions and a messy structure. The equipment is complex in wiring and has more cables; the conference room equipment has many sudden failures, poor predictability, large resource consumption in management, troublesome maintenance and poor system expandability.

For users and managers, the traditional audio and video system is complex and has various devices, once the system or the device has problems, much time is wasted in troubleshooting, and other requirements on the system are met, so that the system is troublesome to expand; compatibility among various devices is poor, and particularly, after high-definition video signals are transmitted in a long distance and pass through various converters, transmitters and switching devices, the signals are often unstable. The system operation is not intuitive enough, no way is available to see the real-time change of information, such as audio control, the real-time change of the information can be known by using the sound console for operation, but the sound console has more functional buttons and is complex to use, and professional training is needed; the traditional central control system is simple to operate, but the change of the signal cannot be monitored in real time.

A modern electronic conference room is usually equipped with a plurality of audio and video devices and environmental electronic systems, and with the increasing number of devices, corresponding control methods (a light switch, an audio and video remote controller, a knob and the like) are various and complex, and users are often in a busy and disorderly state at key moments because of too many control switches. Therefore, a good system not only requires stability, but also has simplified and intelligent control.

In view of the above circumstances, a conference system that integrates audio and video and environment in a way of flow-based compatibility and integration becomes a necessary way.

Disclosure of Invention

The utility model aims at overcoming the not enough of existence among the prior art, providing an intelligence distributing type meeting system, it provides, issues, transmits various information directly perceivedly, improves the accuracy and the scientificity of decision-making, improves the efficiency of meeting.

According to the technical scheme provided by the utility model, the intelligent distributed conference system comprises a plurality of indoor conference devices which can meet the use requirements of indoor conferences, and the indoor conference devices are connected with the distributed multimedia management system through a gigabit network switch;

the indoor conference device comprises an audio processing system, a high-definition video input system and a high-definition video output system, wherein the audio processing system is connected with the gigabit network switch and can receive audio input of the speaking system, and the audio processing system outputs voice information of the speaking system through a power amplifier and a sound box.

The gigabit network switch is connected with the wireless AP, and the mobile touch screen management terminal can perform data interaction with the distributed multimedia management system through the wireless AP and the gigabit network switch.

The system also comprises a recording and broadcasting server which is connected with the distributed multimedia management system through a gigabit network switch.

The high-definition video input system comprises a high-definition input device interface connected with the gigabit network switch and a video camera, a DVD device or a notebook computer which can be connected with the high-definition input device interface.

The high-definition video output system comprises a high-definition output device interface connected with the gigabit network switch and a projector, a television or a spliced screen which can be connected with the high-definition output device interface.

The high-definition input device interface comprises a DSP chip, a power circuit, a reset circuit, an A/D sampling circuit and a data processing circuit, wherein the power circuit, the reset circuit, the A/D sampling circuit and the data processing circuit are connected with the DSP chip, the input end of the A/D sampling circuit is connected with a front-end amplifying circuit, and the data processing circuit is connected with a filtering amplifying circuit.

The DSP chip adopts a TMS320 chipThe Vcore end of the TMS320 chip is connected with the OUT end of the chip TPS76818, the IN end of the chip TPS76818 is connected with +5V voltage, and the TPS76818 end of the chip TPS76818 is connected with the voltage of the voltage source

The end is grounded, the PG end of the chip TPS76818 is connected with the anode end of the diode D1, the cathode end of the diode D1 is connected with the chip TPS75733KTT

The ends are connected, the IN end of the chip TPS75733KTT is connected with the +5V voltage, and the OUT end of the chip TPS75733KTT is connected with the Vi end of the TMS320 chip;

the Vcore end of the TMS320 chip is also connected with the anode end of a diode D2, the cathode end of a diode D2 is connected with the VCC end of chips PS3823-33DBVT, and the chips PS3823-33DBVT

With TMS320 chip

The ends are connected, the WD1 end of the chips PS3823-33DBVT is connected with the XF end of the TMS320 chip, the MR end of the chips PS3823-33DBVT is connected with one end of the switch S1, and the other end of the switch S1 is grounded.

The DSP chip is further connected with a clock circuit, the clock circuit comprises a crystal oscillator Y1, one end of the crystal oscillator Y1 is connected with an X1 end of the TMS320 chip and one end of a capacitor C5, the other end of the capacitor C5 is grounded, the other end of the crystal oscillator Y1 is connected with an X2\ CLKIN end of the TMS320 chip and one end of a capacitor C6, and the other end of the capacitor C6 is grounded.

The speaking system comprises a microphone circuit and a microphone power supply circuit matched with the microphone circuit; the microphone power supply circuit comprises a power supply chip U1, the power supply chip U1 adopts a chip with the model number MIC29302WU, the IN end of the power supply chip U1 is connected with one end of a resistor R1, one end of a capacitor C1, one end of a capacitor C2 and a power supply connection input end, the other end of a capacitor C1 and the other end of a capacitor C2 are both grounded, the other end of a resistor R1 is connected with the EN end of the power supply chip U1 and the collector end of a triode Q1, the base end of the triode Q1 is connected with one end of a resistor R5 and one end of a resistor R6, the other end of the resistor R5 is connected with a microphone circuit, and the other end of the resistor R6 is connected with the extreme emitter of a triode Q;

the GND end of the power chip U1 is grounded, the OUT end of the power chip U1 is connected with one end of a resistor R2, one end of a resistor R4, one end of a capacitor C3, one end of a capacitor C4, the cathode end of a voltage stabilizing diode D3 and the power supply output end VBAT end, the other end of a resistor R2 is connected with the ADJ end of the power chip U1 and one end of a resistor R3, and the other end of the resistor R3, the other end of a resistor R4, the other end of the capacitor C3, the other end of a capacitor C4 and the anode end of the voltage stabilizing diode D3 are grounded.

The microphone circuit comprises an electret microphone EMP, one end of the electret microphone EMP is connected with a cathode end of a diode D4, one end of a capacitor C16, one end of a capacitor C17, one end of a capacitor C13, one end of a capacitor C14, one end of a capacitor C10, one end of a capacitor C11, one end of a capacitor C7, one end of a capacitor C8 and a MICP end of a microphone control chip U2, and the other end of the capacitor C7, the other end of a capacitor C10, the other end of the capacitor C13, the other end of a capacitor C16 and an anode end of a diode D4 are all grounded;

the other end of the electret microphone EMP is connected with the cathode end of the diode D5, the other end of the capacitor C17, one end of the capacitor C18, the other end of the capacitor C14, one end of the capacitor C15, the other end of the capacitor C11, one end of the capacitor C12, the other end of the capacitor C8, one end of the capacitor C9 and the MICN end of the microphone control chip U2, and the other end of the capacitor C9, the other end of the capacitor C12, the other end of the capacitor C15, the other end of the capacitor C18 and the anode end of the diode D5 are all grounded.

The utility model has the advantages that: the system adopts a modular design structure, has strong expansibility, and mainly comprises a distributed multimedia management system, a recording and broadcasting server, high-definition input equipment, high-definition output equipment, an audio processing system, a mobile touch screen management terminal and a gigabit network switch; each functional node completes respective processing task according to the instruction distributed by the server, so that various information can be visually provided, issued and transmitted, the accuracy and the scientificity of decision making are improved, and the conference efficiency is improved.

Drawings

Fig. 1 is a system block diagram of the present invention.

Fig. 2 is a block diagram of the high definition input device interface of the present invention.

Fig. 3 is a schematic circuit diagram of the DSP chip, the power circuit and the reset circuit of the present invention.

Fig. 4 is a schematic circuit diagram of the DSP chip and the clock circuit of the present invention.

Fig. 5 is a schematic circuit diagram of the microphone power supply circuit of the present invention.

Fig. 6 is a schematic circuit diagram of the microphone circuit of the present invention.

Detailed Description

The invention is further described with reference to the following specific drawings and examples.

As shown in fig. 1: in order to improve the conference efficiency, the utility model comprises a plurality of indoor conference devices which can meet the use requirements of indoor conferences, wherein the indoor conference devices are connected with a distributed multimedia management system through a gigabit network switch;

During specific implementation, the gigabit network switch is connected with the wireless AP, and the mobile touch screen management terminal can perform data interaction with the distributed multimedia management system through the wireless AP and the gigabit network switch. And the recording and broadcasting server is connected with the distributed multimedia management system through a gigabit network switch. The high-definition video input system comprises a high-definition input device interface connected with the gigabit network switch and a video camera, a DVD device or a notebook computer which can be connected with the high-definition input device interface. The high-definition video output system comprises a high-definition output device interface connected with the gigabit network switch and a projector, a television or a spliced screen which can be connected with the high-definition output device interface.

The embodiment of the utility model provides an in, audio processing system and speech system, power amplifier are connected, power amplifier is connected with the audio amplifier, audio processing system is a host computer that throughput is extremely strong, amplify sound, the audio mixing, the frequency division, technical processing such as time delay and feedback elimination, echo cancellation, reverberation effect, the audio frequency in each meeting room passes through equipment interface packing network data, send for the system host computer, the rethread switch sends for each room playback after the host computer is handled and is accomplished.

The speaking system is a microphone or other sound pickup equipment and is responsible for collecting the field sound. The quality of a speaking system determines the success or failure of the tone quality effect, so that the selection of the microphones is particularly important, the simplicity, the practicability and the flexibility and the convenience are considered, the digital hand-held conference microphones are recommended, the number of the speaking microphones can be flexibly adjusted according to the quality of a field sound building environment, and the howling is effectively avoided.

The high-definition input equipment interface is connected with terminals such as a video camera, DVD equipment and a notebook computer, so that the collection and the summarization of videos, characters, pictures, files and other resources are realized. The high-definition input device interface is used for all-around image acquisition, meets the functional requirements of a video conference and supports high-definition video encoding and decoding. The cameras are under unified control of the distributed management system. The high-definition output device is connected with the projector, the television and the splicing screen, and realizes the function of picture display to present and play media data.

The recording and broadcasting server is used as an extended function module of a system server and mainly can record a media stream of a media input node of the system, and then the recorded media stream is transmitted to a decoder through the system and is displayed by a display terminal.

The gigabit network switch is connected with the audio processing system, the high-definition recording and broadcasting server, the distributed multimedia management system, the high-definition input equipment, the high-definition output equipment and the wireless AP, and networking of the interconnected equipment is achieved. The mobile touch screen management terminal is connected with the on-site wireless AP, and a user can display all audio and video signals on a large screen in any multi-picture mode only by one-key touch control, so that the splicing effects of roaming, overlapping, zooming and the like of images are perfectly realized.

The distributed multimedia management system can realize that all audio and video signals are converted into network signals, can be routed randomly in the whole network, realizes multiple signal sources and random display terminal calling, can also set authority management according to requirements, and opens specified shared mutual transmission resources. The distributed system adopts the streaming media technology, and after the signal networking, images can be previewed in real time through the management terminal, so that misoperation is avoided, the positioning is accurate, the use is simple and intelligent, only the touch and the dragging of fingers are needed, the synchronous display of the control terminal and the spliced screen is ensured, and the control effect of what you see is what you get is achieved.

The utility model adopts a modularized design structure, has strong expansibility, and mainly comprises a distributed multimedia management system, a recording and broadcasting server, a high-definition input device, a high-definition output device, an audio processing system, a mobile touch screen management terminal and a gigabit network switch; each functional node completes respective processing tasks according to instructions distributed by the server.

The utility model discloses be applied to many meeting room places, compare in traditional audio video solution, more convenient safety. The characteristics of decentralized architecture, expandability, fusion and the like give more possibility to distribution in the application of multiple meeting rooms. The efficient interactive platform really realizes barrier-free management in the control management process, and is extension and expansion of the functions of the traditional system. The system can completely realize barrier-free multimedia control among users, and can interact with other meeting rooms in real time through audio and video in the master control center.

And in specific implementation, hierarchical authority management can be realized, and the security is higher. The multi-conference room multi-user authority hierarchical management function distinguishes managers and operators, the operation authority is divided into the finest, the customer customization requirements of different levels and different types are facilitated, managers at all levels can well grasp the degree of the local region authority to transfer, and the conference confidentiality is greatly improved.

The utility model discloses intelligence distributed conference system extension is nimble, and full network framework can rely on the network to extend fast and increase system node. The reliable network connection is provided between the touch control end and the controlled equipment, and the control state and the working environment condition of the controlled equipment can be seen in real time at the touch control end. The feedback forms can be character display, key state, image display, video monitoring and the like, and the interaction between human and machines can be realized more intuitively. A user only needs one-key touch control, and all paths of audio and video signals are displayed on a large screen in any multi-picture mode, so that the splicing effects of roaming, overlapping, zooming and the like of images are perfectly realized.

The utility model discloses convenient intelligence reservation function has. In the traditional equipment conference system, the phenomenon of conference resource conflict sometimes occurs, and unnecessary embarrassment is caused. The reservation function of the distributed conference management system fully considers the point, supports direct reservation of the APP terminal of the mobile phone, judges the use time of a conference room when applying for conference resources, automatically sends a conference notice, retrieves the use condition of the current idle conference room or conference room in real time, and reminds an applicant to perform relevant adjustment processing if a conference conflict condition exists.

The intelligent distributed conference system can realize the display of various video signals in any area on the spliced screen; supporting image splicing and stretching; supporting image frame superposition; supporting the function of cross-screen roaming of pictures; the image segmentation and windowing functions are supported; and supporting visualization operation.

The intelligent distributed conference system realizes the seat management function. The centralized management of a plurality of devices, systems and networks can be controlled, and the manageability and the working efficiency of the system are improved. The method can provide excellent operation experience for the participants in the aspects of signal switching, data control management and interconnection and intercommunication of cross-platform cooperation. Can be widely applied to the fields of government and public affairs, energy management, broadcasting and TV, traffic, mobile communication, finance and the like.

The intelligent distributed conference system supports signal recording and playback functions.

The system is based on a visual interaction solution of a cloud architecture, adopts an all-IP network technology, realizes real-time presentation of any node in the network, acquisition, playback and calling of any signal source, and provides visual basis for signal control. This system can be with distributing in signal everywhere, the unified cloud end of gathering, then through the network, on various screens are pushed to, if: large screen splicing, projection, television, etc.

The distributed multimedia management system is used for command forwarding, scheduling and controlling of all audio and video nodes and control nodes, completing platform docking (such as monitoring and recording and broadcasting platforms and the like) and supporting login and management of a user IE mode; password management of a user is supported; the parameter control and adjustment of all nodes are supported; manual/automatic saving of scenes is supported. The login of different users is supported, and the retrieval and calling of a signal source are supported; environmental control such as supporting light; and the functions of pan-tilt control and focusing of the camera are supported.

The distributed multimedia management system manages all media source nodes and terminal nodes, and herein we refer to the networking structure of the above figure as topological network data, in the topological structure, each node is a vertex of the topology, and the path between each vertex is determined by the central server. For example, the signal from a certain camera can be sent to a television wall in a certain center for display, and the desktop of a certain computer can be displayed on a large screen in a training room. In addition, the management server also carries all the service functions of the system, such as signaling interfacing with a video conference system, data interfacing with a monitoring device, and the like.

As shown in fig. 2, the high-definition input device interface includes a DSP chip, and a power circuit, a reset circuit, an a/D sampling circuit, and a data processing circuit connected to the DSP chip, where an input end of the a/D sampling circuit is connected to the front-end amplification circuit, and the data processing circuit is connected to the filter amplification circuit.

As shown IN FIG. 3, the DSP chip is TMS320, the Vcore terminal of the TMS320 chip is connected with the OUT terminal of the chip TPS76818, the IN terminal of the chip TPS76818 is connected with +5V voltage, and the chip TPS76818 is connected with the chip TPS76818

The ends are connected, the IN end of the chip TPS75733KTT is connected with the +5V voltage, and the OUT end of the chip TPS75733KTT is connected with the Vi end of the TMS320 chip.

With TMS320 chip

As shown in fig. 4, the DSP chip is further connected to a clock circuit, the clock circuit includes a crystal oscillator Y1, one end of the crystal oscillator Y1 is connected to the X1 end of the TMS320 chip and one end of a capacitor C5, the other end of the capacitor C5 is grounded, the other end of the crystal oscillator Y1 is connected to the X2\ CLKIN end of the TMS320 chip and one end of a capacitor C6, and the other end of the capacitor C6 is grounded.

As shown in fig. 5 and 6, a detailed schematic of the circuit is shown when a microphone is used in the speaking system. As shown in fig. 5, the speaking system includes a microphone circuit and a microphone power supply circuit adapted to the microphone circuit; the microphone power supply circuit comprises a power supply chip U1, the power supply chip U1 adopts a chip with the model number MIC29302WU, the IN end of the power supply chip U1 is connected with one end of a resistor R1, one end of a capacitor C1, one end of a capacitor C2 and a power supply connection input end, the other end of a capacitor C1 and the other end of a capacitor C2 are both grounded, the other end of a resistor R1 is connected with the EN end of the power supply chip U1 and the collector end of a triode Q1, the base end of the triode Q1 is connected with one end of a resistor R5 and one end of a resistor R6, the other end of the resistor R5 is connected with a microphone circuit, and the other end of the resistor R6 is connected with the extreme emitter of a triode Q;

The embodiment of the utility model provides an in, can be connected with external power source through the power connection input, resistance R5's the other end and microphone circuit connection back, can control power supply chip U1's enable. Transistor Q1 is an NPN transistor that provides power to the entire speaking system through the power supply output VBAT.

As shown in fig. 6, the microphone circuit includes an electret microphone EMP, one end of which is connected to a cathode terminal of a diode D4, one end of a capacitor C16, one end of a capacitor C17, one end of a capacitor C13, one end of a capacitor C14, one end of a capacitor C10, one end of a capacitor C11, one end of a capacitor C7, one end of a capacitor C8, and a MICP terminal of a microphone control chip U2, and the other end of the capacitor C7, the other end of the capacitor C10, the other end of the capacitor C13, the other end of a capacitor C16, and an anode terminal of a diode D4 are all grounded;

The embodiment of the utility model provides an in, electret microphone EMP can adopt the current form commonly used now, specifically can obtain through modes such as outsourcing, specifically is this technical field personnel known. The diode D4 and the diode D5 both use electrostatic discharge diodes, the microphone control chip U2 may use a conventional microprocessor chip, for example, a chip with model SSS1629, and of course, the microphone control chip U2 may also be selected according to actual needs to drive and control the electret microphone emp (electret microphone) so as to pick up sound.

Claims

1. An intelligent distributed conference system is characterized in that: the system comprises a plurality of indoor conference devices which can meet the use requirements of indoor conferences, wherein the indoor conference devices are connected with a distributed multimedia management system through a gigabit network switch;

the indoor conference device comprises an audio processing system, a high-definition video input system and a high-definition video output system which are connected with the gigabit network switch, wherein the audio processing system can receive audio input of the speaking system, and outputs voice information of the speaking system through a power amplifier and a sound box;

the gigabit network switch is connected with the wireless AP, and the mobile touch screen management terminal can perform data interaction with the distributed multimedia management system through the wireless AP and the gigabit network switch;

2. The intelligent distributed conferencing system of claim 1, wherein: the high-definition video input system comprises a high-definition input device interface connected with the gigabit network switch and a video camera, a DVD device or a notebook computer which can be connected with the high-definition input device interface.

3. The intelligent distributed conferencing system of claim 1, wherein: the high-definition video output system comprises a high-definition output device interface connected with the gigabit network switch and a projector, a television or a spliced screen which can be connected with the high-definition output device interface.

4. The intelligent distributed conferencing system of claim 2, wherein: the high-definition input device interface comprises a DSP chip, a power circuit, a reset circuit, an A/D sampling circuit and a data processing circuit, wherein the power circuit, the reset circuit, the A/D sampling circuit and the data processing circuit are connected with the DSP chip, the input end of the A/D sampling circuit is connected with a front-end amplifying circuit, and the data processing circuit is connected with a filtering amplifying circuit.

5. The intelligent distributed conferencing system of claim 4, wherein: the DSP chip adopts a TMS320 chip, a Vcore end of the TMS320 chip is connected with an OUT end of a chip TPS76818, an IN end of the chip TPS76818 is connected with +5V voltage, and a chip TPS76818 is adopted

With TMS320 chip

6. The intelligent distributed conferencing system of claim 5, wherein: the DSP chip is further connected with a clock circuit, the clock circuit comprises a crystal oscillator Y1, one end of the crystal oscillator Y1 is connected with an X1 end of the TMS320 chip and one end of a capacitor C5, the other end of the capacitor C5 is grounded, the other end of the crystal oscillator Y1 is connected with an X2\ CLKIN end of the TMS320 chip and one end of a capacitor C6, and the other end of the capacitor C6 is grounded.

7. The intelligent distributed conferencing system of claim 1, wherein: the speaking system comprises a microphone circuit and a microphone power supply circuit matched with the microphone circuit; the microphone power supply circuit comprises a power supply chip U1, the power supply chip U1 adopts a chip with the model number MIC29302WU, the IN end of the power supply chip U1 is connected with one end of a resistor R1, one end of a capacitor C1, one end of a capacitor C2 and a power supply connection input end, the other end of a capacitor C1 and the other end of a capacitor C2 are both grounded, the other end of a resistor R1 is connected with the EN end of the power supply chip U1 and the collector end of a triode Q1, the base end of the triode Q1 is connected with one end of a resistor R5 and one end of a resistor R6, the other end of the resistor R5 is connected with a microphone circuit, and the other end of the resistor R6 is connected with the extreme emitter of a triode Q;

8. The intelligent distributed conferencing system of claim 7, wherein: the microphone circuit comprises an electret microphone EMP, one end of the electret microphone EMP is connected with a cathode end of a diode D4, one end of a capacitor C16, one end of a capacitor C17, one end of a capacitor C13, one end of a capacitor C14, one end of a capacitor C10, one end of a capacitor C11, one end of a capacitor C7, one end of a capacitor C8 and a MICP end of a microphone control chip U2, and the other end of the capacitor C7, the other end of a capacitor C10, the other end of the capacitor C13, the other end of a capacitor C16 and an anode end of a diode D4 are all grounded;