Interoperability of ADPCM encoded voice communications

Details Interoperability of ADPCM encoded voice communications Interoperability of ADPCM encoded voice communications

2005-02-02

2008-11-18

Ryman, Daniel J (Department: 2619)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S401000, C370S465000, C370S466000, C370S467000, C370S476000

Reexamination Certificate

active

07453889

ABSTRACT:
Providing interoperability on a voice communication network by detecting incompatible bit packing payload formats of ADPCM encoded voice data signals in an encoder/decoder. A mismatch of bit packing formats between little endian format and big endian format is determined by detecting the occurrence of ADPCM code words of interest in the decoded voice data stream out of the encoder/decoder. The invention may be applied to an ITU G.726 encoder/decoder.

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patent: 2006/0034260 (2006-02-01), Svedberg et al.
patent: 2006/0171324 (2006-08-01), Mundra et al.

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