[Lowfer] Soundcard question

Richard Goodman wa3usg at comcast.net
Wed Dec 19 21:47:02 EST 2007


	I recently purchased a Gateway laptop. As well as using it for business
purposes, I was hoping to take it out in the boonies with my SDR-IQ and do
some listening to LF frequencies from really noise free locations. Alas ...
It doesn't have a full duplex soundcard. It works fine with the SDR-IQ but
there are no inputs on the audio control panel to route audio from "What you
hear" or "WAV/MP3" as an input to Argo or Multipsk (or other like programs).
I can get as an input, the microphone jack and can loop the audio from the
headphone jack back into the microphone jack with an audio cable. That gives
me an input to Argo but it's really kludgey. Would a external USB soundcard
work in this application? I would have the digital stream from the SDR-IQ
going into one USB port and the digital stream required by the soundcard
running from the other USB port. It's a new machine with an AMD processor.
Could the PC handle this throughput? Has anyone else run into this delimma?
I never thought to check out the soundcard before I purchased the machine.

73
Dick, WA3USG



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