Signal input device and method for echo cancellation

Signal input device and method for echo cancellation

  • CN 104,954,942 A
  • Filed: 06/10/2015
  • Published: 09/30/2015
  • Est. Priority Date: 06/10/2015
  • Status: Active Application
First Claim
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1. for a signal input apparatus for echo cancellation, it is characterized in that, comprising:

  • Hardware circuit, for carrying out shunt to analog speakers signal, and by analog speakers Signal transmissions along separate routes to analog-to-digital conversion module;

    Analog-to-digital conversion module, for carrying out analog-to-digital conversion to the analog speakers signal of described shunt, obtains the reference signal for echo cancellation.

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