CN1808985A - Hand-in-hand digital conference system - Google Patents
Hand-in-hand digital conference system Download PDFInfo
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- CN1808985A CN1808985A CN 200610033309 CN200610033309A CN1808985A CN 1808985 A CN1808985 A CN 1808985A CN 200610033309 CN200610033309 CN 200610033309 CN 200610033309 A CN200610033309 A CN 200610033309A CN 1808985 A CN1808985 A CN 1808985A
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Abstract
This invention relates to one hand in hand digital meeting system, which comprises meet system host machine and several meet units and is characterized by the following: the said host machine sends and receives signals through its upper network interface; the said meet units set Ethernet exchange chip to send, transfer and receive signals, wherein, the transfer is to send other meet unit to the host machine or the host machine to other meet unit. This invention system adopts Ethernet exchange chip to process hand in hand connection with host and each unit relative to different MAC addresses to ensure the real-time data transmission type instance.
Description
Technical field
The present invention relates to and the matching used electronic meeting system in modernized Conference Room, particularly hand-in-hand digital conference system signal transmission implementation.
Background technology
Hand-in-hand digital conference system refers to a kind of electronic meeting system, form by Systematic Main Frame of Meeting and conference device, its conference device is connected on the Systematic Main Frame of Meeting by the mode of hand in hand (" daisy chain "), all transmits with digital form in control signal, the audio signal of conference system equipment room.Hand-in-hand digital conference system can be with a cable transmission multiple sound and control signal, adopts the conference system of analog form to compare with traditional audio transmission, and better sound signal quality and more function are arranged.At present, have only several companies to have the core technology and the product of hand-in-hand digital conference system in the world.The core technology of hand-in-hand digital conference system is the implementation of conference system equipment room control signal, audio signal transmission, is confidential dedicated network communication chip and exclusive data translation-protocol yet these producers all adopt.
The Chinese utility model application of " a kind of conference device terminal equipment " that the present patent application people proposes simultaneously can be used for making up the conference device of Ethernet mode hand-in-hand digital conference system.
Summary of the invention
The technical issues that need to address of the present invention are how a kind of hand-in-hand digital conference system that adopts universal network communication chip and data transaction agreement is provided.
The above-mentioned technical problem of the present invention solves like this, a kind of hand-in-hand digital conference system is provided, comprise Systematic Main Frame of Meeting and some conference devices, described Systematic Main Frame of Meeting is connected in the mode of handing in hand by stube cable with some conference devices, it is characterized in that described Systematic Main Frame of Meeting is provided with network interface chip and sends a signal to described conference device downwards by network interface on it and stube cable or receive signal from described conference device; Described conference device is provided with Ethernet switching chip and receives from the signal of Systematic Main Frame of Meeting by upwards connecting the network port and stube cable on it, upwards sends a signal to described Systematic Main Frame of Meeting simultaneously or upwards transmit the signal that upwards sends to described Systematic Main Frame of Meeting from other conference devices, and transmits the signal that sends to other conference devices from described Systematic Main Frame of Meeting downwards by connecting the network port and stube cable on the described Ethernet switching chip downwards.
According to hand-in-hand digital conference system provided by the invention, described signal is the MAC packet, and described MAC packet comprises source address and destination address; Described Systematic Main Frame of Meeting and each described some conference device all are provided with and corresponding different MAC Address separately.
According to hand-in-hand digital conference system provided by the invention, described MAC data packet transmission mode includes, but are not limited to clean culture (point-to-point), multicast and multicast.
According to hand-in-hand digital conference system provided by the invention, described MAC data packet transmission adopts general ethernet communication agreement, includes, but are not limited to TCP/IP or IPX/SPX/NETBIOS.
According to hand-in-hand digital conference system provided by the invention, described signal control signal and digital audio and video signals.
According to hand-in-hand digital conference system provided by the invention, described digital audio and video signals adopts time-multiplexed real time data mode to transmit, and the reserved passageway transmission of control signals.
According to hand-in-hand digital conference system provided by the invention, described network interface chip is an Ethernet switching chip, and described network interface is provided by the external network port of Ethernet switching chip.
According to hand-in-hand digital conference system provided by the invention, described Ethernet switching chip is 10M, 100M or 1000M Ethernet switching chip.
Hand-in-hand digital conference system provided by the invention, adopt the Ethernet switching chip connection of handing in hand, Systematic Main Frame of Meeting and the corresponding different MAC Address of each conference device, signal transmits in this conference system with the MAC data packet form, further adopt time-multiplexed real-time Data Transmission mode transmission of digital audio frequency to guarantee the timely transmission of audio frequency, can adopt universal network communication chip and data transaction agreement to realize hand-in-hand digital conference system like this, the technology more advanced than conference system provides the foundation in the Ethernet for digital conference system is used.
Description of drawings
Further the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a Systematic Main Frame of Meeting schematic block circuit diagram provided by the invention.
Fig. 2 is a conference device schematic block circuit diagram provided by the invention.
The digital hand handle conference system connection diagram that Fig. 3 is made of Systematic Main Frame of Meeting shown in Figure 1 and conference device terminal equipment shown in Figure 2.
Fig. 4 is a transmit signal data stream format schematic diagram in the conference system shown in Figure 3.
Embodiment
As Fig. 1, comprise that with electronic meeting system main frame that the utility model provides microprocessor CPU 11, memory 12, power module 15 and Audio Processing DSP and input/output circuitry 13 are with PC central control system interface 17 and be connected conference device interface circuit 16, also be provided with Ethernet switching chip 14 especially, realize being connected between electronic meeting system main frame and the conference device that has with big net exchange chip.But this Ethernet switching chip 14 is the network interface chip of tape swap function not also, realizes Data Receiving and transmission.
As Fig. 2, the conference device terminal equipment that the utility model provides comprises CPU and memory 21, power circuit 22, microphone driving and audio A/D change-over circuit 24, key control circuit 25, speaker drive control circuit 26, earphone Drive and Control Circuit 27, simultaneous interpretation control circuit 28, IC-card control circuit 29 and Drive and Control Circuit 30, also is provided with Ethernet switching chip 23 especially.This Ethernet switching chip 23 provides two external ethernet interfaces at least, and one connects a last conference device or Systematic Main Frame of Meeting, and one connects next conference device or do not connect realization Data Receiving, transmission and transmission downwards.
As Fig. 3, the digital hand in hand conference system that constitutes by above-mentioned Systematic Main Frame of Meeting 1 and conference device terminal 2 equipment, connect into a lot of one by one by the equipment room cable, control a plurality of conference devices by a Systematic Main Frame of Meeting, with the various data messages of a plurality of conference devices, be pooled to a Systematic Main Frame of Meeting and handle and return to each conference device then.
Because the real-time requirement of voice data, the present invention adopts multiplexed real-time Data Transmission mode to the digital audio of multichannel microphone input, as Fig. 4, comprises the multi-path digital audio frequency in Fixed Time Interval t, is inserted with control signal between going back.
Claims (8)
1, a kind of hand-in-hand digital conference system, comprise Systematic Main Frame of Meeting (1) and some conference devices (2), described Systematic Main Frame of Meeting is connected in the mode of handing in hand by stube cable with some conference devices, it is characterized in that described Systematic Main Frame of Meeting is provided with network interface chip and sends a signal to described conference device downwards by network interface on it and stube cable or receive signal from described conference device; Described conference device is provided with Ethernet switching chip (23) and receives from the signal of Systematic Main Frame of Meeting by upwards connecting the network port and stube cable on it, upwards sends a signal to described Systematic Main Frame of Meeting simultaneously or upwards transmit the signal that upwards sends to described Systematic Main Frame of Meeting from other conference devices, and transmits the signal that sends to other conference devices from described Systematic Main Frame of Meeting downwards by connecting the network port and stube cable on the described Ethernet switching chip downwards.
According to the described hand-in-hand digital conference system of claim 1, it is characterized in that 2, described signal is the MAC packet, described MAC packet comprises source address and destination address; Described Systematic Main Frame of Meeting and each described some conference device all are provided with and corresponding different MAC Address separately.
According to the described hand-in-hand digital conference system of claim 2, it is characterized in that 3, described MAC data packet transmission mode comprises clean culture, multicast and multicast.
According to the described hand-in-hand digital conference system of claim 2, it is characterized in that 4, described MAC data packet transmission adopts general ethernet communication agreement, comprises TCP/IP and IPX/SPX/NETBIOS.
5, according to claim 1 or 2 described hand-in-hand digital conference systems, it is characterized in that described signal comprises control signal and digital audio and video signals.
According to the described hand-in-hand digital conference system of claim 5, it is characterized in that 6, described digital audio and video signals adopts time-multiplexed real time data mode to transmit.
According to the described hand-in-hand digital conference system of claim 1, it is characterized in that 7, described network interface chip is Ethernet switching chip (14), described network interface is provided by the external network port of Ethernet switching chip.
According to claim 1 or 7 described hand-in-hand digital conference systems, it is characterized in that 8, described Ethernet switching chip (14,23) is 10M, 100M or 1000M Ethernet switching chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610033309 CN1808985A (en) | 2006-01-25 | 2006-01-25 | Hand-in-hand digital conference system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610033309 CN1808985A (en) | 2006-01-25 | 2006-01-25 | Hand-in-hand digital conference system |
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| CN1808985A true CN1808985A (en) | 2006-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200610033309 Pending CN1808985A (en) | 2006-01-25 | 2006-01-25 | Hand-in-hand digital conference system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457703A (en) * | 2010-10-20 | 2012-05-16 | 深圳市台电实业有限公司 | Multimedia digital conference system |
| WO2017000762A1 (en) * | 2015-06-30 | 2017-01-05 | 中兴通讯股份有限公司 | Method and apparatus for transmitting voice in party-line telephone system |
| CN109302575A (en) * | 2018-08-21 | 2019-02-01 | 广州市保伦电子有限公司 | A kind of wifi conference system based on IOT module |
| CN114125364A (en) * | 2021-11-24 | 2022-03-01 | 航天欧华信息技术有限公司 | Method and equipment for supporting computer to open cloud video conference in meeting place |
-
2006
- 2006-01-25 CN CN 200610033309 patent/CN1808985A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457703A (en) * | 2010-10-20 | 2012-05-16 | 深圳市台电实业有限公司 | Multimedia digital conference system |
| CN102457703B (en) * | 2010-10-20 | 2014-04-16 | 深圳市台电实业有限公司 | Multimedia digital conference system |
| WO2017000762A1 (en) * | 2015-06-30 | 2017-01-05 | 中兴通讯股份有限公司 | Method and apparatus for transmitting voice in party-line telephone system |
| CN106331397A (en) * | 2015-06-30 | 2017-01-11 | 中兴通讯股份有限公司 | Method and device for transmitting voices in party-line telephone system |
| CN109302575A (en) * | 2018-08-21 | 2019-02-01 | 广州市保伦电子有限公司 | A kind of wifi conference system based on IOT module |
| CN114125364A (en) * | 2021-11-24 | 2022-03-01 | 航天欧华信息技术有限公司 | Method and equipment for supporting computer to open cloud video conference in meeting place |
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