Repetitive pattern removal in a voice channel of a communication

Details Repetitive pattern removal in a voice channel of a communication Repetitive pattern removal in a voice channel of a communication

1997-12-12

2000-11-07

Hsu, Alpus H.

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

370477, 375368, H04L 1266, H04L 700, H04J 318

Patent

active

061446580

ABSTRACT:
Repetitive packets in a voice/data stream, are detected and suppressed in the transmitting side of a network, after a predefined number of consecutive repetitive packets have been transmitted. Then, at the receiving side of the network, suppressed repetitive packets are reconstituted by filling the resulting gap in the voice/data stream with the repetitive pattern contained in the last received repetitive packet. When the input voice/data stream is compressed, only non-repetitive packets are compressed so that repetitive patterns are not corrupted by compression.

REFERENCES:
patent: 5020058 (1991-05-01), Holden et al.
patent: 5434568 (1995-07-01), Moll
patent: 5442351 (1995-08-01), Horspool et al.
patent: 5701301 (1997-12-01), Weisser, Jr.
patent: 5844508 (1998-12-01), Murashita et al.

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