[time-nuts] Sound Card Spectrum Analyzer

Bob Camp lists at cq.nu
Fri Feb 19 00:17:34 UTC 2010


Hi

Both are very cool programs. Both are full of all sorts of neat features. As far as I can see, neither one has the features I'm after. 

More or less - I want it to run like a clunky HP audio analyzer rather than a very cool tool for ham radio.

Bob

On Feb 18, 2010, at 6:33 PM, Don Latham wrote:

> You have looked at:
> spectran and spectrum lab ?
> Don
> 
> Bob Camp
>> Hi
>> 
>> Assuming I have a decent sound card, and a computer, the next thing I need
>> is software. If I want:
>> 
>> Required:
>> 
>> 1) non- commercial
>> 2) 1 Hz normalization
>> 3) good low frequency processing (decimation ahead of the fft)
>> 4) low cost
>> 
>> Much preferred:
>> 
>> 5) a non-evil OS
>> 6) Rational performance on a non-quad core system
>> 7) free
>> 8) rational calibration
>> 9) scope view.
>> 10) reasonable graphics
>> 11) active support by the author
>> 
>> The application is measuring phase noise. That what makes 2 & 3 pop up on
>> the list.
>> 
>> I've looked at a lot of programs and they all seem to be pretty slick. The
>> ones I've looked at so far don't quite hit the mark for phase noise. I'm
>> pretty sure that there are others on the list who have dug into this same
>> issue already.
>> 
>> Bob
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> 
> 
> -- 
> Dr. Don Latham AJ7LL
> Six Mile Systems LLP
> 17850 Six Mile Road
> POB 134
> Huson, MT, 59846
> VOX 406-626-4304
> www.lightningforensics.com
> www.sixmilesystems.com
> 
> 
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