[hpsdr] ozy/janus as soundcard for digital modes

Stephen West-Fisher steve at coastaldatasystems.com
Thu Nov 3 08:08:07 PDT 2011


Thanks for the explanation, I was thinking along those lines but you made it
clear. 

--
Stephen West-Fisher
N4IK


-----Original Message-----
From: Steve Bunch [mailto:steveb_75 at ameritech.net] 
Sent: Thursday, November 03, 2011 10:57 AM
To: Stephen West-Fisher
Cc: hpsdr at openhpsdr.org
Subject: Re: [hpsdr] ozy/janus as soundcard for digital modes

The audio coming out of the TS-480 is "real" audio -- that is, it's simply
the audio waveform.  When you sample it with an A/D converter at some sample
rate S, you get a stream of digital samples at that rate, representing a
sampled version of the waveform.  Because of the way digital sampling works,
you can only represent signals in the original audio that are at the
frequency S/2 or lower.



 1320332887.0


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