Phase-amplitude matrixed surround decoder
US8345899B2 · kind B2 · utility
16Cited by
1References
10Claims
0Family size
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Key dates
| Filing date | Mar 12, 2008 |
| Grant date | Jan 1, 2013 |
| Priority date | — |
| Expiry date | Jun 6, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S3/008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A frequency domain method for phase-amplitude matrixed surround decoding of 2-channel stereo recordings and soundtracks, based on spatial analysis of 2-D or 3-D directional cues in the recording and re-synthesis of these cues for reproduction on any headphone or loudspeaker playback system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.