×

Multi-device audio-video combines echo canceling

  • US 20020021799A1
  • Filed: 08/13/2001
  • Published: 02/21/2002
  • Est. Priority Date: 08/15/2000
  • Status: Abandoned Application
First Claim
Patent Images

1. A method for operating a user-interactive multi-device audio-video system that contains user speech recognizing facilities and echo canceling facilities for avoiding the recognizing of speech output from the system as user speech, characterized in that in the presence of plural and functionally separate such speech recognizing facilities and echo canceling facilities, driving the echo canceling facilities to combine their forces for by one or more thereof canceling one or more mutually unique cancelable speech entities and combining such cancelled entities for overall non-recognition by the system.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×