Method and apparatus for reducing noise in voices of mobile terminal
US9294834B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2013 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Mar 28, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2410/05
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a method and an apparatus for reducing noise in voices of a mobile terminal and relates to the field of communications technologies, which can improve the effect of noise reduction. The method includes: selecting, from a voice headphone and a microphone built in the mobile terminal, a current communicating microphone and a current noise reducing microphone; obtaining an audio signal received by the current communicating microphone and an audio signal received by the current noise reducing microphone; performing noise reduction according to the audio signal received by the current communicating microphone and the audio signal received by the current noise reducing microphone, so as to obtain a noise reduced signal; and performing voice coding according to the noise reduced signal to generate an audio output signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.