[hpsdr] Somewhat OT: howto prog a soundcard

[Alberto I2PHD]

David Woods wrote:
> ***** High Performance Software Defined Radio Discussion List *****
> 
> This is likely off topic for this list but maybe others could benefit
> from any replies.
> 
> I am interested in learning how to program a sound card (or maybe
> eventually janus/ozy) to generate a simple sine wave tone at first,
> eventually leading to knowing how to do other waveforms,
> multifrequency (DTMF), and other things.  Certainly there must have
> been written a beginners howto guide on doing this -- but Google has
> not given me any good leads.
> 
> A pointer to one or more web tutorials would be preferred,
> alternatively books or other sources are OK.  Keep in mind, I'm
> looking for something for a novice in this.  I do have the DSP book by
> Smith and other resources, but they do not seem to convey some hands
> on experience in doing this.  There's a lot of nice tone test
> generators available freeware, but most I've seen are not open source
> so I cannot see how they did it.
> 
> Thanks for any information you might supply.
> 
> David

    David,

     I wrote a chapter for the RSGB book titled "Command" that addresses just that topic. i.e. how to program the sound
card using the MME interface under Windows.
You may want to contact RSGB (the UK equivalent of your ARRL) about the availability of that book.

73  Alberto  I2PHD



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