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-   -   Sound cards - test and measurements (http://www.diyaudio.com/forums/everything-else/17316-sound-cards-test-measurements.html)

jackinnj 4th July 2003 07:53 PM

Sound cards - test and measurements
 
i thought some would be interested in links to "Test and Measurement World" articles on the professional use of computer sound cards for real world engineering problems. Here's one in which a sound card from Creative does the job of an $80,000 spectrum analyzer:

http://www.e-insite.net/tmworld/inde...ext=sound+card

blmn 5th July 2003 02:45 PM

Tks Jackinnj,

Its a very interesting article, specially for poor guys like me...:) .

stokessd 5th July 2003 04:02 PM

Soundcards are great for AC measurements. I've been doing that for years with Labview. I'm in the middle of designing a complete speaker measurement package in Labview, here's one of my early impedance measuring windows, where I'm measuring the input impedance of the original Quad ESL:

http://www.quadesl.com/madisound/impedance1.gif


Sheldon


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