TELECOM Digest OnLine - Sorted: Re: Help Needed With WAV File

Re: Help Needed With WAV File

John L (
12 May 2006 01:31:36 GMT

> I would like to recover the bits of the digital data from a
> conversation between two modems.


> Why do you think this is virtually impossible for a standard modem
> connection with an analog-side speed above 2400 BPS?

Because each end sends data using the full spectrum available, and
uses echo cancelling to subtract off its own signal and recover the
signal from the other end. If you don't already know what one end is
sending, you can't do that.



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