Vector coding/decoding apparatus and stream media player

Details Vector coding/decoding apparatus and stream media player Vector coding/decoding apparatus and stream media player

2008-12-23

2010-06-29

Rao, Andy S (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240260

Reexamination Certificate

active

07746932

ABSTRACT:
A vector coding apparatus includes a decomposing unit to obtain a sign vector and an initial absolute vector, a sign coding unit to code the sign to obtain a sign code, a multi-level permutation-based coding unit to perform multi-level permutation-based coding to obtain an absolute vector code, a combining unit to combine the sign and absolute vector codes to obtain an initial vector code. A vector decoding apparatus includes a decomposing unit to decompose a code of an initial vector to obtain a sign code and an absolute vector code, a sign decoding unit to decode the sign code to obtain a sign vector, a multi-level permutation-based decoding unit to perform multi-level permutation-based decoding on the absolute vector code to obtain an initial absolute vector, and a combining unit to combine the sign and initial absolute vectors to obtain an initial vector. A media player includes the vector decoding apparatus.

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