Method, device and program for coding and decoding acoustic parameter, and method, device and program for coding and decoding sound
US7065338B2 · kind B2 · utility
17Cited by
9References
49Claims
0Family size
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Key dates
| Filing date | Nov 27, 2001 |
| Grant date | Jun 20, 2006 |
| Priority date | — |
| Expiry date | Apr 6, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2019/0007
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In coding and decoding an acoustic parameter, a weighted vector is generated by multiplying a code vector output in a past frame and a code vector selected in a present frame by weighting factors respectively selected from a factor code book and adding the products to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.