CN110620897B - Multifunctional telephone conference system and method - Google Patents

Multifunctional telephone conference system and method Download PDF

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Publication number
CN110620897B
CN110620897B CN201910943328.XA CN201910943328A CN110620897B CN 110620897 B CN110620897 B CN 110620897B CN 201910943328 A CN201910943328 A CN 201910943328A CN 110620897 B CN110620897 B CN 110620897B
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sound console
input
telephone
audio
output
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CN110620897A (en
Inventor
郑广宁
魏永静
刘鸿雁
车四四
何子亨
刘方舟
王朔
朱立楠
陈廷森
李宗皓
孙小骏
杨超
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State Grid Corp of China SGCC
Information and Telecommunication Branch of State Grid Shandong Electric Power Co Ltd
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State Grid Corp of China SGCC
Information and Telecommunication Branch of State Grid Shandong Electric Power Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/15Conference systems
    • H04N7/152Multipoint control units therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/15Conference systems
    • H04N7/155Conference systems involving storage of or access to video conference sessions

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

The invention discloses a multifunctional teleconference system and a method, wherein the multifunctional teleconference system comprises a plurality of branches, each branch comprises a telephone terminal, a telephone network and an audio coupler which are sequentially connected, and the audio coupler of each branch is connected to a sound console; the sound console controls input and output audio signals through the switch matrix, dynamically adjusts the volume, and sets input and output audio routes, so that each input route is isolated from the output route, echoes caused by sound return are avoided, and the input of one route and the output of other routes are connected through the switch.

Description

Multifunctional telephone conference system and method
Technical Field
The invention belongs to the technical field of telephone conferences, and particularly relates to a multifunctional telephone conference system and a multifunctional telephone conference method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The traditional teleconference system is mainly realized based on a mode of combining software and hardware, and relates to a core control unit, an access processing unit, a management unit and the like, the networking structure is complex, the hardware investment is large, and the speaking and listening state of each participant cannot be set independently according to the meeting requirements, so the use scene of the system is limited to a certain extent.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a multifunctional teleconference system which is built based on pure hardware without adding a special software control system; the functions are rich, and the functions of independently speaking by the host, speaking and listening by the appointed participants, speaking and discussion by all the participants and the like can be flexibly realized by changing the relevant settings, so that the use requirements under different scenes are met.
In order to achieve the above object, one or more embodiments of the present invention provide the following technical solutions:
a multi-function teleconferencing system, comprising:
each branch comprises a telephone terminal, a telephone network and an audio coupler which are connected in sequence, and the audio coupler of each branch is connected to the sound console;
the sound console controls input and output audio signals through a switch matrix, dynamically adjusts the volume, and sets input and output audio routes, so that each input route is isolated from the output route, echoes caused by sound return are avoided, and the input of one route and the outputs of other routes are connected through a switch;
according to a further technical scheme, the audio coupler comprises a coupling unit, a dialing unit and an automatic answering unit, wherein the dialing unit and the automatic answering unit are respectively connected to the coupling unit;
the coupling unit is used for demodulating the telephone voice of the participant collected by the telephone terminal into an analog signal to be connected to the sound console, and coupling the output signal of the sound console into the telephone voice to be sent to the participant corresponding to the telephone terminal;
the dialing unit is used for calling the telephone terminal of the participant to realize the function of calling the participant to enter the meeting;
the automatic answering unit is used for automatically connecting the call initiated by the telephone terminal of the participant and realizing the function of the participant to enter into the conference independently.
Further technical scheme, the one end of sound console is connected to the microphone, and the microphone passes through input switch and links to each other with the sound console.
In a further technical scheme, one end of the coupling unit is connected to a telephone network through a telephone line interface and communicates with a telephone terminal through the telephone network.
According to the technical scheme, the coupling unit is connected to input and output channels of the sound console switch matrix through the audio output interface and the audio input interface respectively, and the input and output channels of the sound console switch matrix are provided with independent switches.
The invention also discloses a working method of the multifunctional teleconference system, which comprises the following steps:
opening a switch between a microphone and a sound console switch matrix, closing an input channel switch of the sound console switch matrix, transmitting audio to a telephone terminal through a sound console, an audio coupler and a telephone network, and receiving voice information through the telephone terminal; or
The method comprises the following steps that a switch between a microphone and a sound console switch matrix is turned on, one input/output channel switch of the sound console switch matrix is turned on, the other input channel switches are turned off, the output channel switches are turned on, audio is transmitted to a certain telephone terminal through a sound console, an audio coupler and a telephone network, and the receiving and broadcasting of voice information of the certain telephone terminal are realized; or
And opening a switch between the microphone and the sound console switch matrix, opening all input and output channel switches of the sound console switch matrix, transmitting audio to all telephone terminals through the sound console, the audio coupler and the telephone network, and transmitting voice information of all the telephone terminals to the sound console and broadcasting.
According to the further technical scheme, one input/output channel switch of the sound console switch matrix is turned on, other input channel switches are turned off, and the output channel switch is turned on or turned off.
The above one or more technical solutions have the following beneficial effects:
based on the construction of a hardware structure, the whole system has a simple structure, and a special software control system is not required to be added; the functions are rich, and the functions of independently speaking by the host, speaking and listening by the appointed participants, speaking and discussion by all the participants and the like can be flexibly realized by changing the relevant settings, so that the use requirements under different scenes are met.
According to the method and the system, each telephone terminal is provided with an independent control branch, and the conversation between each telephone terminal and the sound console is controlled by an independent switch, so that the conversation state of all the telephone terminals can be freely controlled.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic diagram of an overall structure of a multifunctional teleconference system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an audio coupler according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a switch matrix of an audio mixing console according to an embodiment of the present invention.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The general idea provided by the invention is as follows:
a multi-function teleconferencing system, comprising: each branch comprises a telephone terminal, a telephone network and an audio coupler which are connected in sequence, and the audio coupler of each branch is connected to the sound console; through changing the relevant settings, the functions of independently speaking by the host, appointing participants to speak and listen, speaking and discussion by all participants and the like can be flexibly realized, and the use requirements under different scenes are met.
Example one
The embodiment discloses a multifunctional teleconference system which can meet the use requirements in different scenes. The system implementation is shown in fig. 1: the method comprises the following steps: the system comprises a plurality of branches, wherein each branch comprises a telephone terminal, a telephone network and an audio coupler which are connected in sequence, and the audio coupler of each branch is connected to a sound console.
The implementation structure of the audio coupler is shown in fig. 2: the audio coupler comprises a coupling unit, a dialing unit and an automatic answering unit. The coupling unit is used for demodulating the telephone voice of the participant into an analog signal to be connected to the sound console, and coupling the output signal of the sound console into the telephone voice to be sent to the participant; the dialing unit is used for the host to call the telephone terminal of the participant actively, and the function of calling the participant to enter the meeting is realized; the automatic answering unit is used for automatically connecting the call initiated by the participant and realizing the function of the participant to enter into the conference independently. The telephone network is used for transmitting telephone voice.
The telephone terminal is used for collecting the sound of the participants and has the same function as a common telephone. Each telephone terminal listens passively, can hear other terminals, or does not listen, depending on the setting of the sound console.
The sound console switch matrix structure is shown in fig. 3: the sound console is connected with each participant telephone terminal through an audio coupler through a telephone network; the sound console is directly connected with the host microphone.
And the sound console is used for controlling the input and output audio signals through the switch matrix, dynamically adjusting the volume and setting the input and output audio route. Particularly, the ith input and the ith output are isolated by routes, so that echoes caused by sound return are avoided, and the connectivity of the ith input and the rest outputs is controlled by a switch and is used for appointing whether the rest participants can hear the echoes or not.
The microphone is used for collecting moderator sounds.
Example II
A method of using a multifunctional teleconferencing system, comprising:
opening a switch between a microphone and a sound console switch matrix, closing an input channel switch of the sound console switch matrix, transmitting audio to a telephone terminal through a sound console, an audio coupler and a telephone network, and receiving voice information through the telephone terminal; or
The method comprises the following steps that a switch between a microphone and a sound console switch matrix is turned on, one input/output channel switch of the sound console switch matrix is turned on, the other input channel switches are turned off, audio is transmitted to a certain telephone terminal through a sound console, an audio coupler and a telephone network, and the receiving and broadcasting of voice information of the certain telephone terminal are realized; or
And opening a switch between the microphone and the sound console switch matrix, opening all input and output channel switches of the sound console switch matrix, transmitting audio to all telephone terminals through the sound console, the audio coupler and the telephone network, and transmitting voice information of all the telephone terminals to the sound console and broadcasting.
Specific adaptation scenarios:
scene 1: the moderator speaks alone, and the other participants can not speak but only listen.
The operation method comprises the following steps: and opening a host microphone sound input switch on the sound console, closing all participant sound input switches, and opening all participant sound output switches.
Scene 2: the designated participant speaks and the remaining participants cannot speak, but may control whether listening is allowed.
The operation method comprises the following steps: and opening a host microphone sound input switch on the sound console, opening a sound input and output switch of the appointed participant, closing sound input switches of other participants, and determining whether to open the sound output switches of the other participants according to requirements so as to allow or forbid the other participants to listen.
Scene 3: all participants speak the discussion.
The operation method comprises the following steps: and opening a host microphone sound input switch on the sound console, and opening all participant sound input and output switches.
The system disclosed by the invention is simple in structure, is built based on pure hardware, and can realize the function of a teleconference system without adding a special software control system.
The conference system can independently set the speaking and listening state of each participant according to conference requirements, and quickly realize the functions of independently speaking by a host, speaking and listening by appointed participants, speaking and discussing by all participants and the like.
The conference joining method is flexible, a host can actively call the telephone terminal of the participant to call the participant to join the conference, and the participant can independently initiate the call to realize automatic conference joining.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims (7)

1. A multi-function teleconferencing system, comprising:
each branch comprises a telephone terminal, a telephone network and an audio coupler which are connected in sequence, and the audio coupler of each branch is connected to the sound console;
the audio coupler comprises a coupling unit, a dialing unit and an automatic answering unit, wherein the dialing unit and the automatic answering unit are respectively connected to the coupling unit;
the coupling unit is used for demodulating the telephone voice of the participant collected by the telephone terminal into an analog signal to be connected to the sound console, and coupling the output signal of the sound console into the telephone voice to be sent to the participant corresponding to the telephone terminal;
the sound console controls input and output audio signals through the switch matrix, dynamically adjusts the volume, and sets input and output audio routes, so that each input route is isolated from the output route, echoes caused by sound return are avoided, and the input of one route and the output of other routes are connected through the switch.
2. The multifunctional teleconferencing system of claim 1, wherein,
the dialing unit is used for calling the telephone terminal of the participant to realize the function of calling the participant to enter the meeting;
the automatic answering unit is used for automatically connecting the call initiated by the telephone terminal of the participant and realizing the function of the participant to enter into the conference independently.
3. A multifunctional teleconferencing system as claimed in claim 1, wherein one end of the sound console is connected to a microphone, which is connected to the sound console via an input switch.
4. A multifunctional teleconferencing system as claimed in claim 1, wherein the coupling unit is connected at one end to a telephone network via a telephone line interface and communicates with the telephone terminal via the telephone network.
5. The multifunctional telephone conference system as claimed in claim 1, wherein the coupling unit is further connected to the input and output channels of the sound console switch matrix through the audio output interface and the audio input interface, respectively, and the input and output channels of the sound console switch matrix are provided with respective independent switches.
6. The operation method of the multifunctional telephone conference system as claimed in any one of claims 1 to 5, comprising:
opening a switch between a microphone and a sound console switch matrix, closing an input channel switch of the sound console switch matrix, transmitting audio to a telephone terminal through a sound console, an audio coupler and a telephone network, and receiving voice information through the telephone terminal; or
The method comprises the following steps that a switch between a microphone and a sound console switch matrix is turned on, one input/output channel switch of the sound console switch matrix is turned on, the other input channel switches are turned off, audio is transmitted to a certain telephone terminal through a sound console, an audio coupler and a telephone network, and the receiving and broadcasting of voice information of the certain telephone terminal are realized; or
And opening a switch between the microphone and the sound console switch matrix, opening all input and output channel switches of the sound console switch matrix, transmitting audio to all telephone terminals through the sound console, the audio coupler and the telephone network, and transmitting voice information of all the telephone terminals to the sound console and broadcasting.
7. The multifunctional teleconference system as claimed in claim 6, wherein one of the input/output channel switches of the console switch matrix is turned on, the remaining input channel switches are turned off, and the output channel switch is turned on or off.
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