about api of boolean-echoCancelation

Dear sir £¬
        How to use boolean-echoCancelation , i have search document for 4 hour ,but not demo to get . the echo of Android phone make me crazy . could you do me a favor , add this demo code to the W3 website . it will help us a lot  .
        Thank you !

Received on Monday, 14 July 2014 18:21:00 UTC