CN101076108A - Video conference terminal - Google Patents
Video conference terminal Download PDFInfo
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- CN101076108A CN101076108A CN 200710127634 CN200710127634A CN101076108A CN 101076108 A CN101076108 A CN 101076108A CN 200710127634 CN200710127634 CN 200710127634 CN 200710127634 A CN200710127634 A CN 200710127634A CN 101076108 A CN101076108 A CN 101076108A
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Abstract
The video conference terminal comprises: two groups of control interfaces located in the control unit; a telephone audio detecting module that has one end connected to the telephone line, and has the other end connected to the one of two group of control interface; and a telephone muting switch that has two ends respectively connected to the other group of two groups of control interfaces and the telephone module, and has an output end connected to the audio inputting module.
Description
Technical field
The present invention relates to the multimedia communication technology of communication field, more specifically, relate to a kind of video conference terminal that is used for shielding automatically the phone busy tone.
Background technology
At present, the finding video conference terminal has some to have the plain old telephone interface on the market, can squeeze into by telephone wire and get phone, participates in a conference thereby the remote phone user is inserted conference system.Yet, when remote phone on-hook or local video conference terminal are dialed remote phone and remote phone when just busy, will be incorporated into the busy tone of telephone line in the video conferencing system, make each conference terminal attend a meeting can both hear this " pout～～, pout～～" busy tone, influenced normally carrying out of meeting, must the manual operation of local video conference terminal hang up the telephone could cut off this " pout～～, pout～～" busy tone.
Fig. 1 shows the schematic block diagram of typical charged words interface video conference terminal.Should be appreciated that the various input and output among Fig. 1 can have a plurality of, but for simplicity, only draw among the figure one.As can be seen from Figure 1, there is following problem in the interface function call of current video conference terminal:
One, remote phone user on-hook, busy tone that can passback one " pout～～" in the telephone line of local video conference terminal, and this busy tone can be introduced in the conference system and heard that by each terminal of attending a meeting before the local video conference terminal was manually hung up the telephone, this busy tone existed always;
Two, the local video conference terminal is dialed remote phone and remote phone when just busy, busy tone that can passback one " pout～～" in the telephone line of local video conference terminal, this busy tone can be introduced in the conference system to be heard by each terminal of attending a meeting, before the local video conference terminal was manually hung up the telephone, this busy tone existed always; And
Three, after video conference terminal is dialed or received calls, all want the manual operation video conference terminal, allow the phone on-hook, operate cumbersome.
Thereby, be badly in need of a solution, can in video conference terminal, adopt phone busy tone detection system, when on detecting telephone line, busy-back signal being arranged, report the control unit of video conference terminal, control unit is quiet with the sound of telephone channel input, and says the word and allow phone module hang up the telephone.
Summary of the invention
The invention provides a kind of video conference terminal that is used for shielding automatically the phone busy tone, it utilizes the busy-back signal in the telephone audio detection module detection telephone line, and report the control unit of video conference terminal, the control unit sound that telephone channel is imported in indication according to the busy tone state carries out quiet processing, and the order phone module is hung up the telephone, thereby solve the busy tone problem in the video conference terminal sound channel, improve the sound subjective effect of video conference, reduce manual intervention operation.
Video conference terminal of the present invention comprises: two groups of control interfaces are positioned on the control unit; The telephone audio detection module, an end is connected to telephone line, and the other end is connected to one group of control interface in two groups of control interfaces; And the phone silence switch, two input is connected respectively to another group control interface and the phone module in two groups of control interfaces, and output is connected to the audio frequency input module.
Wherein, control unit is changed to the phone silence switch state of pass when not using telephony feature.
When closing of the circuit, the telephone audio detection module detects in the telephone line whether busy-back signal is arranged, when not having busy tone, and the state that control unit is changed to out the phone silence switch.
When the remote phone on-hook, the telephone audio detection module detects when in the telephone line busy-back signal being arranged, and reports the busy tone index signal to control unit; And control unit is when receiving the busy tone index signal, and the phone silence switch is changed to the state of pass, and sends the on-hook of order indication phone module to phone module.
In addition, when doing, when the telephone audio detection module detects busy tone, report the busy tone index signal to control unit when video conference terminal active telephone calling and to Founder; And control unit is after receiving the busy tone index signal, and the phone silence switch is changed to the state of pass, and sends order with indication phone module on-hook or heavily pull out to phone module.
In this video conference terminal, when silence switch was changed to the pass, telephone speech can not send to the audio frequency input module; And when silence switch was changed to out, telephone speech sent to the audio frequency input module.
Phone module comprises: telephony interface chip and phone-specific processor.Control unit is a general processor.The phone silence switch is the controllable simulation selector switch.
Thereby, adopt video conference terminal of the present invention, video conference terminal can mask automatically in the phone " pout～～, pout～～" busy-back signal, make it not disturb normally carrying out of meeting, improved the sound subjective effect of video conference, and reduce the operation of manually intervening on-hook, make the telephony feature of video conference terminal use easier, more intelligent.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 shows the schematic block diagram of the charged words interface of typical case of the prior art video conference terminal;
Fig. 2 is the block diagram according to video conference terminal of the present invention;
Fig. 3 is the schematic block diagram of the concrete structure of video conference terminal shown in Figure 2; And
Fig. 4 is the schematic block diagram according to the video conference terminal of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 2 is the block diagram according to video conference terminal 200 of the present invention.As shown in Figure 2, this video conference terminal comprises: two groups of control interfaces 202 are positioned on the control unit; Telephone audio detection module 204, one ends are connected to telephone line, and the other end is connected to one group of control interface in two groups of control interfaces 202; And phone silence switch 206, two input is connected respectively to another group control interface and the phone module 208 in two groups of control interfaces 202, and output is connected to audio frequency input module 210.
Wherein, control unit is changed to phone silence switch 206 state of pass when not using telephony feature.
When closing of the circuit, telephone audio detection module 204 detects in the telephone line whether busy-back signal is arranged, when not having busy tone, and the state that control unit is changed to out phone silence switch 206.
When the remote phone on-hook, telephone audio detection module 204 detects when in the telephone line busy-back signal being arranged, and reports the busy tone index signal to control unit; And control unit is when receiving the busy tone index signal, and phone silence switch 206 is changed to the state of pass, and sends the on-hooks of order indication phone module to phone module 208.
In addition, when doing, when telephone audio detection module 204 detects busy tone, report the busy tone index signal to control unit when video conference terminal 200 active telephone calling and to Founder; And control unit is after receiving the busy tone index signal, and the phone silence switch is changed to the state of pass, and sends order with indication phone module on-hook or heavily pull out to phone module 208.
In this video conference terminal 200, when silence switch 206 was changed to the pass, telephone speech can not send to audio frequency input module 210; And when silence switch 206 was changed to out, telephone speech sent to audio frequency input module 210.
Fig. 3 is the schematic block diagram of the concrete structure of the video conference terminal shown in above-mentioned Fig. 2, the key of technical scheme of the present invention is to utilize the busy-back signal in the telephone audio detection module detection telephone line, and testing result reported control unit, control unit is done quiet according to testing result and on-hook is handled then.
The specific embodiment of video conference terminal as shown in Figure 3 is as follows:
One, on the basis of former video conference terminal, increases telephone audio detection module and phone silence switch;
Two, increase by 2 groups of control interfaces on the control unit, and connected telephone audio detection module and phone silence switch respectively;
During three, usually without telephony feature, control unit is changed to the phone silence switch state of pass, and when closing of the circuit, the telephone audio detection module detects in the telephone line and has or not busy-back signal, when not having busy-back signal, the state that control unit is changed to out the phone silence switch, telephone speech can add meeting;
Four, when the remote phone on-hook, the telephone audio detection module will detect busy-back signal in the telephone line, and report the busy tone index signal to control unit, in addition, control unit receives the busy tone index signal, at first the phone silence switch is changed to the state of pass, cut off the approach that the telephone speech passage adds meeting, thereby realized that video conference terminal shields the function of phone busy tone automatically, control unit is sent out an order and is given phone module then, allows the phone module on-hook; And
Five, when video conference terminal when initiatively telephone calling and the other side's phone are just busy, the telephone audio detection module also can detect busy-back signal in the telephone line, report control unit busy tone index signal, control unit receives the busy tone index signal, at first the phone silence switch is changed to off status, cuts off the approach that the telephone speech passage adds meeting, thereby in meeting, mask busy-back signal, control unit says the word to phone module then, allows phone module on-hook or redial.
Above five make video conference terminal realize the phone busy tone function of shielding automatically.No matter call busy or conversation back the other side's on-hook to Founder, busy-back signal all can be shielded outside meeting automatically, does not disturb normally carrying out of meeting.
Fig. 4 is the schematic block diagram according to the video conference terminal of the embodiment of the invention.Because compared with prior art, the video section of video conference terminal and communication part are not changed, thus no longer describe in detail herein, below main explanation audio frequency and phone part.
As shown in Figure 4, phone module is made of TEA1097 and SPT6608 two parts.Wherein, TEA1097 is a kind of telephony interface chip, is used to finish the transmission-receiving function of telephone sound signal, and SPT6608 is a kind of processor of phone-specific, is used to finish the phone controlled function, and dialing and on-hook all are to be controlled by SPT6608 to finish.
The phone busy tone detection module mainly is made of HA16830F.HA16830F is a kind of telephone audio detection chip of special use, when HA16830F detects the busy-back signal that 450Hz is arranged in the telephone line, exports a busy tone condition indicative signal, and this busy tone index signal is delivered to the IO (INPUT﹠amp of MPC8321; OUTPUT, input and output) interface.
The control unit of video conference terminal is made of MPC8321.MPC8321 is a kind of general processor, and it carries out communication by the SPT6608 of serial ports and phone module, allows SPT6608 on-hook or dialing by serial port command.MPC8321 links to each other with phone busy tone detection module, phone silence switch by the IO interface, receives the busy tone condition indicative signal that the phone busy tone detection module reports, and the state of control phone silence switch switches.
The phone silence switch is made of ADG719.ADG719 is a kind of controllable simulation selector switch, is switched by its state of IO port controlling by MPC8321, and the control telephone speech adds meeting or do not add meeting.
Audio frequency input module and audio frequency output module all are to be made of MC33078.MC33078 is a kind of operational amplifier, and the main sound mixing function of realizing mixes audio frequency input and telephone speech in audio frequency input module the inside; The main sound driver enlarging function of realizing in audio frequency output module the inside.Audio coding module and audio decoder module all are to be made of ADSP2191.ADSP2191 is a kind of processor of audio frequency special use, and the audio compression Code And Decode is finished by it.
Above-mentioned is phone busy tone audio frequency and the phone part of the video conference terminal embodiment of shielding automatically, adds each video module and communication module, has just constituted the complete phone busy tone video conference terminal of shielding automatically.
Should be appreciated that though in the accompanying drawings, for clear signal, the input and output of each kind are only drawn one, the present invention is not limited thereto, and the input and output of each kind can have a plurality of.
In sum, video conference terminal of the present invention can mask automatically in the phone " pout～～, pout～～" busy-back signal, make it not disturb normally carrying out of meeting, improved the sound subjective effect of video conference, and the operation of on-hook is manually intervened in minimizing, make the telephony feature of video conference terminal use easier, more intelligent.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a video conference terminal is used for shielding the phone busy tone automatically, it is characterized in that, comprising:
Two groups of control interfaces are positioned on the control unit;
The telephone audio detection module, an end is connected to telephone line, and the other end is connected to one group of control interface in described two groups of control interfaces; And
Phone silence switch, two input are connected respectively to another group control interface and the phone module in described two groups of control interfaces, and output is connected to the audio frequency input module.
2. video conference terminal according to claim 1 is characterized in that, described control unit is changed to described phone silence switch the state of pass when not using telephony feature.
3. video conference terminal according to claim 2, it is characterized in that when closing of the circuit, described telephone audio detection module detects whether busy-back signal is arranged in the described telephone line, when not having busy tone, the state that described control unit is changed to out described phone silence switch.
4. video conference terminal according to claim 2 is characterized in that, when the remote phone on-hook, described telephone audio detection module detects when in the described telephone line busy-back signal being arranged, and reports the busy tone index signal to described control unit; And
When described control unit receives described busy tone index signal, described phone silence switch is changed to the state of pass, and sends the described phone module on-hook of order indication to described phone module.
5. video conference terminal according to claim 2 is characterized in that, when doing when video conference terminal active telephone calling and to Founder, when described telephone audio detection module detects busy tone, reports the busy tone index signal to described control unit; And described control unit is after receiving described busy tone index signal, and described phone silence switch is changed to the state of pass, and sends order to indicate described phone module on-hook or heavily to pull out to described phone module.
6. according to each described video conference terminal in the claim 1 to 5, it is characterized in that when described silence switch was changed to the pass, telephone speech can not send to described audio frequency input module; And
When described silence switch was changed to out, telephone speech sent to described audio frequency input module.
7. video conference terminal according to claim 1 is characterized in that, described phone module comprises: telephony interface chip and phone-specific processor.
8. video conference terminal according to claim 1 is characterized in that described control unit is a general processor.
9. video conference terminal according to claim 1 is characterized in that, described phone silence switch is the controllable simulation selector switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101276343A CN100548043C (en) | 2007-06-19 | 2007-06-19 | Video conference terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101276343A CN100548043C (en) | 2007-06-19 | 2007-06-19 | Video conference terminal |
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| Publication Number | Publication Date |
|---|---|
| CN101076108A true CN101076108A (en) | 2007-11-21 |
| CN100548043C CN100548043C (en) | 2009-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007101276343A Expired - Fee Related CN100548043C (en) | 2007-06-19 | 2007-06-19 | Video conference terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012079510A1 (en) * | 2010-12-16 | 2012-06-21 | 中兴通讯股份有限公司 | Mute indication method and device applied to video conferencing |
| CN103516919A (en) * | 2012-06-27 | 2014-01-15 | 中兴通讯股份有限公司 | Method, device and terminal for sending audio data |
| CN108650128A (en) * | 2018-05-10 | 2018-10-12 | 深圳震有科技股份有限公司 | A kind of method that realizing mute time slot, storage medium and electronic equipment |
| WO2023197593A1 (en) * | 2022-04-14 | 2023-10-19 | 华为云计算技术有限公司 | Multimedia conference control method and apparatus, and communication system |
-
2007
- 2007-06-19 CN CNB2007101276343A patent/CN100548043C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012079510A1 (en) * | 2010-12-16 | 2012-06-21 | 中兴通讯股份有限公司 | Mute indication method and device applied to video conferencing |
| CN103516919A (en) * | 2012-06-27 | 2014-01-15 | 中兴通讯股份有限公司 | Method, device and terminal for sending audio data |
| CN103516919B (en) * | 2012-06-27 | 2018-03-27 | 中兴通讯股份有限公司 | Send the method, apparatus and terminal of voice data |
| CN108650128A (en) * | 2018-05-10 | 2018-10-12 | 深圳震有科技股份有限公司 | A kind of method that realizing mute time slot, storage medium and electronic equipment |
| CN108650128B (en) * | 2018-05-10 | 2021-04-20 | 深圳震有科技股份有限公司 | Method for realizing mute time slot, storage medium and electronic equipment |
| WO2023197593A1 (en) * | 2022-04-14 | 2023-10-19 | 华为云计算技术有限公司 | Multimedia conference control method and apparatus, and communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100548043C (en) | 2009-10-07 |
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Granted publication date: 20091007 Termination date: 20190619 |