Patent · US Expired

Intelligent acoustic systems peripheral

US5838786A · kind A · utility

4Cited by
13References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 4, 1996
Grant dateNov 17, 1998
Priority date
Expiry dateOct 4, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M9/08
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

In an embodiment of the invention, a speaker/microphone peripheral includes a digital-signal-processor (DSP) based acoustic echo canceler and supports a plurality of modes of operation. One mode is a video/telecommunications mode. In this mode, when headphones are inserted or removed, the acoustic echo canceler is reset.

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