Multidescriptive coding technique for multistream communication of signals
US6961432B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1999 |
| Grant date | Nov 1, 2005 |
| Priority date | — |
| Expiry date | Dec 3, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L1/0065
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a digital audio broadcast system, to utilize transmission bandwidth efficiently, representations of a stereo audio signal for transmission are generated in accordance with an inventive multidescriptive coding technique. The representations, as generated, are then transmitted through multiple communication channels, respectively. The transmitted representations are received by a receiver where one or more of the representations are selected for recovery of the stereo audio signal. Because of the design of the multidescriptive coding used, the more representations are selected to recover the stereo audio signal, the higher the quality of the recovered signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.