Vector coding/decoding apparatus and stream media player
US7746932B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 23, 2008 |
| Grant date | Jun 29, 2010 |
| Priority date | — |
| Expiry date | Dec 23, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L19/038
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.