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Device and method for transmitting visual telephone video-audio signal

A video, audio, and videophone technology, applied in the direction of pulse modulation TV signal transmission, transmission system, TV, etc.

Inactive Publication Date: 2006-11-08
GLOBAL INNOVATION AGGREGATORS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] In view of this, the main purpose of the present invention is to provide a device and method for videophone video and audio signal transmission to solve the problem that users cannot use one terminal to play streaming media and make calls at the same time

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  • Device and method for transmitting visual telephone video-audio signal
  • Device and method for transmitting visual telephone video-audio signal
  • Device and method for transmitting visual telephone video-audio signal

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Embodiment Construction

[0051] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0052] Figure 5 The frame diagram of the video and audio receiving module of the videophone device proposed by the present invention includes the following submodules:

[0053] IP interface module: It is used to send the video and audio data collected by each port from the IP network - call code stream and streaming media code stream to the corresponding decoding module.

[0054] Video decoding module 1: used for decoding the call video signal.

[0055] Video decoding module 2: used for decoding streaming video signals.

[0056] Audio decoding module 1: used for decoding the call audio signal.

[0057] Audio decoding module 2: used for decoding streaming media audio signals.

[0058] Video synchronization module: used to superimpose ...

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Abstract

The present invention discloses device for transmitting visual telephone video voice signal. Said device includes IP interface module, video decoding module 1, video decoding module 2, audio frequency decoding module 1, audio frequency decoding module 2, video synchronized module , and mixer device. Said Video synchronized module is used for overlapping synchronizing two-way code stream, conversation video signal and stream media video signal; mixer device for mixing two-way code stream. The present invention also discloses a visual telephone video voice signal transmission method. The present invention can make user terminal through same display screen and speaker both to view stream media messages and to make audio frequency video chat with opposite terminal user.

Description

technical field [0001] The invention relates to video and audio signal transmission technology, in particular to a device and method for video phone video and audio signal transmission. Background technique [0002] Multimedia applications on IP networks are increasingly mature and popular. This multimedia network is a network application that integrates an audio transmission system and a video transmission system into a data transmission network. It uses IP network as the basic transmission network, and builds a network structure of audio and video transmission system on this basis. This network structure provides us with many multimedia applications, such as audio calls, video conferencing, IPTV, and electronic whiteboards. The networking of general multimedia network is as follows: figure 1 As shown, the user terminal is a communication and video-on-demand tool used by the user, which may be a videophone, a set-top box, and the like. figure 1 The streaming media serve...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04N7/24
CPCH04N7/147H04N7/148H04N21/2225H04N21/4305H04N21/4341H04N21/4382H04N21/4622H04N21/6332H04N21/64322H04N21/654
Inventor 曾庆渝
Owner GLOBAL INNOVATION AGGREGATORS LLC
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