A/D conversion from analog phone to digital please help!!

Discussion in 'Embedded Systems and Microcontrollers' started by tuanvoi, Jan 28, 2009.

  1. tuanvoi

    Thread Starter Active Member

    Oct 31, 2008
    56
    0
    Hi all,
    I'm trying to do A/D conversion for a voice coming from an analog phone. Could you please give me some advice. Like, do I need an amplifier to amplify the analog signal coming from the phone? If so, please advice me some amplifiers. I will be doing this A/D conversion on PIC18F4550. Do you have any examples of voice to digital conversion of PIC? Thank you so much!
     
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