Method and apparatus for inband signaling control of vocoder byp

Details Method and apparatus for inband signaling control of vocoder byp Method and apparatus for inband signaling control of vocoder byp

1998-08-21

2000-07-18

To, Doris H.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455422, 455445, 375242, 704221, 704214, 704233, 370522, H04Q 700

Patent

active

060919698

ABSTRACT:
Vocoder bypass is provided using in-band signaling. In preferred embodiments of the present invention, three signaling channels are arranged for transmission within the compressed speech. Each of the signaling channels are communicated at a preferred rate to permit fast, reliable detection of conditions indicating vocoder bypass mode of operation, to negotiate suitable vocoder type if necessary, and to synchronize and communicate compressed speech in a vocoder bypass mode of operation.

REFERENCES:
patent: 5608779 (1997-03-01), Lev et al.
patent: 5729536 (1998-03-01), Doshi et al.
patent: 5768308 (1998-06-01), Pon et al.
patent: 5793810 (1998-08-01), Han et al.
patent: 5956673 (1999-09-01), Weaver, Jr. et al.

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