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how to send digital signal to computer?

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lemontree

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let say i talking to a mic (input analog sigal), how to convert the signal into digital signal and can this digital signal play in computer? is it needs a special ADC to cenvert audio from analog to digital?

thanks
regards,
LemonTree
 

Ian Rogers

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Firstly a mic has a tiny output too small for connecting to an ADC you need a pre-amp to get it to reasonable sampling level.. then you need a DSP processor that can sample up to 44khz (at least)

You can buy these from electronic shops for relatively small money ..

But why!! virtally every computer has a mic port and software built in.. Do you need to process the sound in some way?

Ian
 
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