Adaptive jitter buffer-packet loss concealment
US7873064B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2008 |
| Grant date | Jan 18, 2011 |
| Priority date | — |
| Expiry date | Jan 18, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L19/167
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An audio decoding system comprises a buffer module, an audio decoding module, a packet loss concealment module, an uncompressed adjustment module, and a playout control module. The buffer module receives packets including audio data. The audio decoding module decodes the audio data and outputs decoded audio samples. The packet loss concealment module outputs adjusted audio samples based on the decoded audio samples. The adjusted audio samples include reconstructed samples when packet loss occurs. The uncompressed adjustment module incorporates the adjusted audio samples into an output stream of audio samples at a first rate. The playout control module regulates the first rate based on packet delay information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.