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Visual communication system, apparatus and subtitle displaying method

A communication system and video technology, applied in the field of device and its subtitle display, video communication system, can solve the problems of complex subtitle display technology and low real-time performance, and achieve the effect of simple method and high real-time performance

Active Publication Date: 2008-11-19
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the disadvantages of complex subtitle display technology and low real-time performance in the existing video communication system, the present invention provides a video communication system, device and subtitle display method thereof, the subtitle display method is simple and the real-time performance is high

Method used

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  • Visual communication system, apparatus and subtitle displaying method
  • Visual communication system, apparatus and subtitle displaying method
  • Visual communication system, apparatus and subtitle displaying method

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0017] The video communication system of the present invention comprises a video terminal, a voice recognition module, a video coding module, a multipoint control unit (such as an MCU) and a transmission network, wherein the user inputs a voice signal and a video signal through the video terminal, and the voice recognition module converts the input voice signal into a text signal, and the video coding module superimposes the above text signal and video signal with s...

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Abstract

The invention discloses a video communication system, a device and a caption display method thereof. The system or the device comprises a voice picking module, an image picking module, and a voice recognition module and a video encoder module which are mutually connected, when video communication is set up, the voice recognition module and the voice picking module are connected and transmit a received speech signal after being converted into a text signal to the video encoder module, the video encoder module is connected with the image picking module, and the text signal and the video signal received by the image picking module are transmitted after being superimposed and encoded by the video encoder module,. By adopting the video communication system, the device and the caption display method thereof, a user can directly decode a displayed image and word information corresponding to voice by encoding and sending the voice signal after being recognized into the text signal and being directly superimposed onto the video signal, therefore, the method is simple, and the real-time is high.

Description

technical field [0001] The invention relates to a video communication system, a device and a subtitle display method thereof, in particular to a video communication system, a device and a display method suitable for a video conference. Background technique [0002] With the development of VoIP, DSP processing, network bandwidth and other technologies, contemporary people have been able to conveniently make calls in different places through video conferencing systems, and see the other party's voice and smile through images. A traditional video conferencing system usually includes a video terminal, a transmission network and a multipoint control unit MCU. The video terminal is used to receive local audio and video input, encode the audio and video stream, and then send it to the remote end through the transmission network. It is also used to receive and decode the audio and video stream from the remote end, and then pass The local speaker and monitor restore the sound and im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/15H04N7/08H04N7/52
CPCG10L15/26G09B21/006H04N7/147H04M3/42391G09B21/009G10L15/34H04N7/15G10L2021/065G09B21/00G10L15/265
Inventor 刘智辉岳中辉
Owner HUAWEI TECH CO LTD
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