Noise cancellation for phone conversation
US8824666B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2009 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Jun 20, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M9/082
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to systems and methods for noise cancellation of phone conversation. Some of the systems can include a phone having a microphone and a noise cancellation device. In some examples, the noise cancellation device has a microphone for receiving an input sound wave and positioned proximate the phone microphone, a processor for generating a noise cancellation sound wave based on the input sound wave, and a speaker for outputting the noise cancellation sound wave. The phone microphone and the noise cancellation device microphone can be shared or different microphones, and can also be microphone is integral to the phone. The shared or separate microphones can be part of a phone headset.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.