Digital signal processing apparatus of communication...

Details Digital signal processing apparatus of communication... Digital signal processing apparatus of communication...

2007-12-11

2007-12-11

Nguyen, Tony T. (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S422100, C455S517000, C370S329000, C370S465000

Reexamination Certificate

active

10778817

ABSTRACT:
Disclosed is a digital signal processing apparatus of a communication terminal for adaptably transmitting voice data to allotted uplink channels and a voice data transmission method thereof. The digital signal processing apparatus comprises a plurality of speech coders for compressing the sampled voice data with each compression rate predetermined according to the number of packet channels capable of being allotted, a plurality of channel coders for channel-coding each set of voice data, compressed by each speech coder, according to respective predetermined codes, and a switching section, for outputting voice data which are compressed and channel-coded corresponding to the number of the allotted packet channels when packet channels are allotted.

REFERENCES:
patent: 5478448 (1995-12-01), Schneider
patent: 6006105 (1999-12-01), Rostoker et al.
patent: 6035212 (2000-03-01), Rostoker et al.
patent: 6571212 (2003-05-01), Dent

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