CN201167379Y - Videoconference system and echo eliminating apparatus for the same - Google Patents
Videoconference system and echo eliminating apparatus for the same Download PDFInfo
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- CN201167379Y CN201167379Y CNU200820056417XU CN200820056417U CN201167379Y CN 201167379 Y CN201167379 Y CN 201167379Y CN U200820056417X U CNU200820056417X U CN U200820056417XU CN 200820056417 U CN200820056417 U CN 200820056417U CN 201167379 Y CN201167379 Y CN 201167379Y
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- echo eliminating
- interface
- eliminating device
- video conferencing
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Abstract
The utility model discloses a video conference system, which comprises a local conference system and a remote conference system, wherein the local conference system comprises a local audio transmission system and a local video transmission system; the local audio transmission system includes an audio input device, an audio output device, an echo eliminating device and a local telephone device; the echo eliminating device is respectively connected with the audio input device, the audio output device and the local telephone device; the remote conference system includes a remote audio transmission system and a remote video transmission system; the remote audio transmissions system is connected with the echo eliminating device; and the video conference system further includes at least one remote telephone device connected with the echo eliminating device. Through the connection between the remote telephone device and the echo eliminating device, a user can take part in the video conference through the telephone other than sitting in the conference room.
Description
Technical field
The utility model belongs to network and audio frequency and video field, relates to a kind of network video system, relates in particular to a kind of network teleconference system, and in addition, the utility model also relates to the echo eliminating device of above-mentioned network teleconference system.
Background technology
The development of network teleconference system is more and more faster, and simultaneously increasing company and government department all brings into use network teleconference system, to increase work efficiency.But in use also found some problems, when holding an interim emergency meeting,, just can't know the content of meeting, thereby reduced the efficient of handling affairs if there are a few peoples in time not participate in a conference.
The utility model content
Technical problem to be solved in the utility model is: a kind of network teleconference system that can be connected with phone is provided.
In addition, the utility model also provides the echo eliminating device that is used for above-mentioned network teleconference system.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of video conferencing system comprises local conference system and far-end conference system, and described local conference system comprises local voice transmission system, local video transmission system; Described local voice transmission system comprises speech input device, instantaneous speech power, echo eliminating device, local call device; Described echo eliminating device is connected with speech input device, instantaneous speech power, local call device respectively; Described far-end conference system comprises far-end speech transmission system, far-end Video transmission system, and described far-end speech transmission system is connected with described echo eliminating device; Described video conferencing system also comprises the remote phone device that at least one is connected with described echo eliminating device.
As a kind of preferred version of the present utility model, described echo eliminating device is provided with the interface and at least one interface that is connected telephone set of at least one connection telephone wire.
As a kind of preferred version of the present utility model, the interface of described connection telephone wire is connected with first operational amplifier, and the interface of described connection telephone set is connected with second operational amplifier.
As a kind of preferred version of the present utility model, the interface of described connection telephone set is connected with described local call device.
As a kind of preferred version of the present utility model, described instantaneous speech power is an audio amplifier; Described speech input device is a microphone.
As a kind of preferred version of the present utility model, described video conferencing system comprises a plurality of remote phone devices.
A kind of echo eliminating device that is used for above-mentioned video conferencing system, described echo eliminating device are provided with the interface and at least one interface that is connected telephone set of at least one connection telephone wire.
As a kind of preferred version of the present utility model, the interface of described connection telephone wire is connected with first operational amplifier, and the interface of described connection telephone set is connected with second operational amplifier.
The beneficial effects of the utility model are: the utility model is connected with echo eliminating device by the remote phone device, makes the user can not be sitting in the meeting room and adds video conference by phone.
Description of drawings
Fig. 1 is the composition schematic diagram of the utility model voice-transmission system.
Fig. 2 is the connection diagram of the utility model echo eliminating device and operational amplifier.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
See also Fig. 1, Fig. 2, the utility model has disclosed a kind of video conferencing system, comprises voice-transmission system and Video transmission system, because improvement of the present utility model is its voice-transmission system, only voice-transmission system is done introducing below therefore.
Above-mentioned video conferencing system comprises local conference system 1, far-end conference system 21, reaches remote phone device 22, and local conference system 1 comprises echo eliminating device 11, speech input device 12, instantaneous speech power 13, local call device 14; Described echo eliminating device 11 is connected with speech input device 12, instantaneous speech power 13, local call device 14 respectively; Described far-end conference system 21 and remote phone device 22 are connected with described echo eliminating device 11 respectively.
Echo eliminating device 11 is provided with the telephone line interface and the telephone interface that is used to be connected local call device 14 that is used to connect telephone wire, thereby local call device 14 and echo eliminating device 11 are coupled together.Telephone line interface is connected with first operational amplifier, and telephone interface is connected with second operational amplifier.Local sound is transferred on the telephone wire through first operational amplifier, makes the far-end caller can hear native's one's voice in speech.And far-end caller's sound is transferred to local meeting-place through second operational amplifier.
In the present embodiment, described speech input device 12 is a microphone, and described instantaneous speech power 13 is an audio amplifier.In addition, above-mentioned operational amplifier is BA4510F, also can use operational amplifiers such as JRC4558D, TS932.
When opening video conference, phone the far-end people can be dialed with the phone that is connected to echo eliminating device in local meeting-place, far-end people one's voice in speech will be transferred to audio amplifier and remote site by the echo eliminating device of this locality when closing of the circuit, makes the people at local and far-end meeting room can both hear that he talks.The microphone of local call and the microphone of meeting room can collect native's one's voice in speech simultaneously, and this sound is through after the processing of echo eliminating device, and the phone transmission of leading up to is given the people of far-end, and another road is transferred to the meeting-place of far-end.And the sound of remote site is transferred to the caller of local meeting-place and far-end through after the processing of echo eliminating device.Where no matter the user go in this way, as long as there is phone just can participate in a conference.
The utility model is connected with echo eliminating device by the remote phone device, makes the user can not be sitting in the meeting room and adds video conference by phone.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only.As, can be provided with the interface and a plurality of interfaces that are connected telephone set of a plurality of connection telephone wires on the echo eliminating device.Any modification or partial replacement that does not break away from the utility model spirit and scope all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1, a kind of video conferencing system comprises local conference system and far-end conference system, it is characterized in that:
Described local conference system comprises local voice transmission system, local video transmission system; Described local voice transmission system comprises speech input device, instantaneous speech power, echo eliminating device, local call device; Described echo eliminating device is connected with speech input device, instantaneous speech power, local call device respectively;
Described far-end conference system comprises far-end speech transmission system, far-end Video transmission system, and described far-end speech transmission system is connected with described echo eliminating device;
Described video conferencing system also comprises the remote phone device that at least one is connected with described echo eliminating device.
2, video conferencing system according to claim 1 is characterized in that: described echo eliminating device is provided with the interface and at least one interface that is connected telephone set of at least one connection telephone wire.
3, video conferencing system according to claim 2 is characterized in that: the interface of described connection telephone wire is connected with first operational amplifier, and the interface of described connection telephone set is connected with second operational amplifier.
4, video conferencing system according to claim 2 is characterized in that: the interface of described connection telephone set is connected with described local call device.
5, according to claim 1 or 2 or 3 or 4 described video conferencing systems, it is characterized in that: described instantaneous speech power is an audio amplifier.
6, according to claim 1 or 2 or 3 or 4 described video conferencing systems, it is characterized in that: described speech input device is a microphone.
7, according to claim 1 or 2 or 3 or 4 described video conferencing systems, it is characterized in that: described video conferencing system comprises a plurality of remote phone devices.
8, be used for the echo eliminating device of the described video conferencing system of claim 1, it is characterized in that: described echo eliminating device is provided with the interface and at least one interface that is connected telephone set of at least one connection telephone wire.
9, echo eliminating device according to claim 8 is characterized in that: the interface of described connection telephone wire is connected with first operational amplifier, and the interface of described connection telephone set is connected with second operational amplifier.
10, echo eliminating device according to claim 9 is characterized in that: the interface of described connection telephone set is connected with described local call device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820056417XU CN201167379Y (en) | 2008-03-20 | 2008-03-20 | Videoconference system and echo eliminating apparatus for the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820056417XU CN201167379Y (en) | 2008-03-20 | 2008-03-20 | Videoconference system and echo eliminating apparatus for the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201167379Y true CN201167379Y (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820056417XU Expired - Lifetime CN201167379Y (en) | 2008-03-20 | 2008-03-20 | Videoconference system and echo eliminating apparatus for the same |
Country Status (1)
| Country | Link |
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| CN (1) | CN201167379Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101778244A (en) * | 2010-02-01 | 2010-07-14 | 中兴通讯股份有限公司 | Wireless video conference system and method for adding common voice user |
| CN109600703A (en) * | 2018-12-27 | 2019-04-09 | 深圳市技湛科技有限公司 | Sound reinforcement system and its public address method and computer readable storage medium |
| CN112532910A (en) * | 2020-11-12 | 2021-03-19 | 中国农业银行股份有限公司佛山分行 | Video conference system with echo prevention function |
-
2008
- 2008-03-20 CN CNU200820056417XU patent/CN201167379Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101778244A (en) * | 2010-02-01 | 2010-07-14 | 中兴通讯股份有限公司 | Wireless video conference system and method for adding common voice user |
| CN101778244B (en) * | 2010-02-01 | 2013-06-05 | 中兴通讯股份有限公司 | Wireless video conference system and method for adding common voice user |
| CN109600703A (en) * | 2018-12-27 | 2019-04-09 | 深圳市技湛科技有限公司 | Sound reinforcement system and its public address method and computer readable storage medium |
| CN109600703B (en) * | 2018-12-27 | 2021-08-06 | 深圳市技湛科技有限公司 | Sound amplification system, sound amplification method thereof, and computer-readable storage medium |
| CN112532910A (en) * | 2020-11-12 | 2021-03-19 | 中国农业银行股份有限公司佛山分行 | Video conference system with echo prevention function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200433 Shanghai City, Yangpu District National Road No. 335 Patentee after: Information Technology Co., Ltd. Shanghai Avcon Address before: 200433 Shanghai City, Yangpu District National Road No. 335 Patentee before: Shanghai Avcon Information Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20081217 |
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| CX01 | Expiry of patent term |