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Dynamic mic and electret condenser mic to AD computer

Discussion in 'General Electronics Discussion' started by COlson, Mar 26, 2009.

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  1. COlson

    COlson

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    Mar 22, 2009
    I am a total novice when it comes to electronics. Please bear with me. I posted elsewhere with no reply. Perhaps too basic a question on the other thread?
    I need to connect a tiny dynamic mic to an earbud but also need to connect it (not at the same time) to an A/D converter to log the output to a computer so that I can manipulate and analyze the data with FFT, etc.

    The output to the A/D (which is more important at this time) needs to be approx. in the range of +/- 5V but up to +/-10V is acceptable to the A/D I have. I've seen many circuits online for electret condenser mics and I will need to use one of them also. They commonly use a 9V transistor for pre-amp power. (very tiny mic needed - think of recording a bee while it collects pollen walking-not flying on a flower).

    Is a pre-amp what I need? I have plugged an earbud direclty into me PC mic input and can record sound (weakly) and aren't earbuds essentially dynamic mics?
    My problem is the learning curve. I can buy the components and make stabs at what might work but I could really use some good advice to start. Can someone point me in the right direction?

    Thank you very much!!
    Curtis
     
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