Audio signal compression
US6819275B2 · kind B2 · utility
8Cited by
9References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2002 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Jun 3, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/49
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Estimating a compression gain obtainable in compressing a given audio signal, comprising extracting a signal power in a selected frequency band of the given audio signal, and obtaining an estimation of the compression gain by correlation with the extracted signal power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.