Patent · US Active

Real time audio echo and background noise reduction for a mobile device

US9495951B2 · kind B2 · utility

2Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 2013
Grant dateNov 15, 2016
Priority date
Expiry dateFeb 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.