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DTMF In vs. Out


andrewgroup

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I tried 384, 512, 768 on a CS410 and they didn't work for me. :(

 

On the CS410, we have the nice problem that the input is analog - that means in addition to the DTMF tone, we have a reduced signal and added noise. That makes DTMF detection not easier. Maybe try 1024 and 2048... The error rate will probably also increase.

 

I guess you can imagine that I am not a big fan of analog lines... Especially if they are long!

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