Method and apparatus for separating sound-source signal and method and device for detecting pitch
US8073145B2 · kind B2 · utility
3Cited by
4References
14Claims
0Family size
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Key dates
| Filing date | Feb 17, 2005 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | Jan 1, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L25/90
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a sound-source signal separating method, a target sound-source signal in an input audio signal is enhanced, the input audio signal being from a mixture of acoustic signals from a plurality of sound sources picked up by a plurality of sound pickup devices. The pitch of the target sound-source signal in the input audio signal is detected, and the target sound-source signal is separated from the input audio signal based on the detected pitch and the enhanced sound-source signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.