Spatial audio coding based on universal spatial cues
US8379868B2 · kind B2 · utility
104Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2007 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Jul 12, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S7/30
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides a frequency-domain spatial audio coding framework based on the perceived spatial audio scene rather than on the channel content. In one embodiment, time-frequency spatial direction vectors are used as cues to describe the input audio scene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.