Sound reproduction
US4862502A · kind A · utility
42Cited by
14References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 6, 1988 |
| Grant date | Aug 29, 1989 |
| Priority date | — |
| Expiry date | Jan 6, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S3/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A directionality enhancement system for converting encoded stereo signals on input channels A and B into four signals on left, center, right and surround output channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.