Method and apparatus for encoding an audio signal using multiple coders with plural selection models
US8069034B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 6, 2005 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | Mar 4, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L19/20
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for supporting an encoding of an audio signal is shown, wherein at least a first and a second coder mode are available for encoding a section of the audio signal. The first coder mode enables a coding based on two different coding models. A selection of a coding model is enabled by a selection rule which is based on signal characteristics which have been determined for a certain analysis window. In order to avoid a misclassification of a section after a switch to the first coder mode, it is proposed that the selection rule is activated only when sufficient sections for the analysis window have been received. The invention relates equally to a module in which this method is implemented, to a device and a system comprising such a module and to a software program product including a software code for realizing the proposed method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.