Real time audio echo and background noise reduction for a mobile device
US9495951B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2013 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Feb 9, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R29/008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An audio enhancement system includes a display unit configured to exhibit a waveform corresponding to a microphone signal that is subject to an audio interference. The audio enhancement system also includes an interference reduction unit coupled to the microphone signal and configured to provide a reduction in the audio interference, wherein a reduced audio interference is indicated by the waveform in real time. A microphone signal enhancement method is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.