Sound cards - test and measurements

jackinnj · 4th July 2003, 06:53 PM

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, 01:45 PM

Tks Jackinnj,

It´s a very interesting article, specially for poor guys like me...

.

stokessd · 5th July 2003, 03:02 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

4th July 2003, 06:53 PM	#1
jackinnj diyAudio Member Join Date: Apr 2002 Location: Llanddewi Brefi, NJ	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

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5th July 2003, 01:45 PM	#2
blmn diyAudio Member Join Date: Feb 2001 Location: .	Tks Jackinnj, It´s a very interesting article, specially for poor guys like me... .

5th July 2003, 03:02 PM	#3
stokessd diyAudio Member Join Date: Nov 2002 Location: Fort Wayne, IN	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