Process for removing voice from stereo recordings
US6405163B1 · kind B1 · utility
36Cited by
13References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 1999 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Sep 27, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2400/05
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for removing or amplifying voice or other signals panned to the center of a stereo recording utilizes frequency domain techniques to calculate a frequency dependent gain factor based on the difference between the frequency domain spectra of the stereo channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.