Methods and appts. for controlling echo suppression in communications systems

Methods and appts. for controlling echo suppression in communications systems

  • CN 1,294,814 A
  • Filed: 12/22/1998
  • Published: 05/09/2001
  • Est. Priority Date: 01/09/1998
  • Status: Abandoned Application
First Claim
Patent Images

1. echo suppression equipment comprises:

  • Echo suppressor, thus first signal of communication that is configured to decay suppresses its echo components, and described echo components is produced by the reflection of second communication signal;

    WithSpeech excitation detector is connected to described echo suppressor and is configured to provide described second communication signal whether to comprise the indication of voice components,Wherein when speech excitation detector indicates described second communication signal not comprise voice components, described echo suppressor is not worked.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×