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Echo canceller Schematic

Discussion in 'General Electronics Discussion' started by zentos, Apr 7, 2014.

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  1. zentos

    zentos

    1
    0
    Apr 7, 2014
    I'm working for a design which i can couple regular telephone audio to GSM phone and eliminate echo. Because of the sidetone from the telephone GSM side has mass echo sound. Does anybody knows echo canceller schematic which is not advanced. advices are really appreciate,

    Thanks.
     
  2. OLIVE2222

    OLIVE2222

    690
    25
    Oct 2, 2011
    Echo canceling is not an easy task, the most powerful way is probably to implement algorithms in a DSP. However dedicated IC are available like this one:

    http://www.cirrus.com/en/products/cs6422.html
    The ressources tab is good start.

    Olivier
     
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