Data and media communication through a lossy channel using signa

Details Data and media communication through a lossy channel using signa Data and media communication through a lossy channel using signa

1998-02-05

2000-11-21

Dinh, Dung C.

Electrical computers and digital processing systems: multicomput

Computer-to-computer data modifying

Compressing/decompressing

709231, G06F 500

Patent

active

061516368

ABSTRACT:
A method and apparatus for improving the speed and quality of end-to-end data or real-time media transmissions over an internet is disclosed. A data stream representing a media signal at a given level of compression is processed just before the data stream enters the internet. A less compressed data stream representing the same media signal is generated transmitted through the internet. Due to the lower level of compression, the underlying media signal is less sensitive to packet loss in the internet and, as a result, the media signal that arrives at the receiving end will tend to be more continuous and clear.

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Schuster, Guido M., "A Video Compression Scheme with Optimal Bit Allocation Among Segmentation, Motion and Residual Error", Chapter 2: Review of lossy video compression, Northwestern University, Department of Electrical Engineering and Computer Science, Evanston, Illinois (Jun. 1996).
"ITU-T Recommendation H.263", Video coding for low bit rate communication, International Telecommunication Union (Mar. 1996).

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