Layered celp system and method with varying perceptual...

Details Layered celp system and method with varying perceptual... Layered celp system and method with varying perceptual...

2001-11-13

2009-10-20

Opsasnick, Michael N. (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S223000

Reexamination Certificate

active

07606703

ABSTRACT:
Layered code-excited linear prediction (CELP) speech encoders have progressively weaker perceptual weighting filters for each of the successive enhancement layers and decoders have progressively weaker short-term postfilters for increased bit rates (increased number of enhancement layers decoded) and a long-term postfilter for all bit rates.

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