Selectively using multiple entropy models in adaptive coding...

Details Selectively using multiple entropy models in adaptive coding... Selectively using multiple entropy models in adaptive coding...

2005-07-15

2009-10-06

Dorvil, Richemond (Department: 2626)

Data processing: speech signal processing, linguistics, language

Audio signal bandwidth compression or expansion

With content reduction encoding

C704S503000, C341S067000

Reexamination Certificate

active

07599840

ABSTRACT:
Techniques and tools for selectively using multiple entropy models in adaptive coding and decoding are described herein. For example, for multiple symbols, an audio encoder selects an entropy model from a first model set that includes multiple entropy models. Each of the multiple entropy models includes a model switch point for switching to a second model set that includes one or more entropy models. The encoder processes the multiple symbols using the selected entropy model and outputs results. Techniques and tools for generating entropy models are also described.

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