Dynamic distortion elimination for output audio
US8045721B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2006 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Jun 26, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G5/165
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method (200) for improving quality of output audio (126). The method can include detecting an output acoustic signal (128) and generating a receive audio signal (134) based, at least in part, on the detected output acoustic signal. A frequency domain representation (140) of the receive audio signal can be compared to a frequency domain representation (138) of a source audio signal (124) from which the output acoustic signal is generated. At least one distortion signal (142) in the receive audio signal can be identified, and the source audio signal can be selectively equalized to reduce an amplitude of the source audio signal at a frequency that correlates to the distortion signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.