Multi-source phoneme classification for noise-robust automatic speech recognition
US7319959B1 · kind B1 · utility
28Cited by
9References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 14, 2003 |
| Grant date | Jan 15, 2008 |
| Priority date | — |
| Expiry date | Nov 4, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2015/025
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method are disclosed for processing an audio signal including separating the audio signal into a plurality of streams which group sounds from a same source prior to classification and analyzing each separate stream to determine phoneme-level classification. One or more words of the audio signal may then be outputted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.