Patent · US Active

Electronic apparatus having microphones with controllable front-side gain and rear-side gain

US8908880B2 · kind B2 · utility

7Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 25, 2012
Grant dateDec 9, 2014
Priority date
Expiry dateJan 23, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2499/11
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An electronic apparatus is provided that has a rear-side and a front-side, a first microphone that generates a first signal, and a second microphone that generates a second signal. An automated balance controller generates a balancing signal based on a proximity sensor signal. A processor processes the first and second signals to generate at least one beamformed audio signal, where an audio level difference between a front-side gain and a rear-side gain of the beamformed audio signal is controlled during processing based on the balancing signal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.