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Old 5th March 2011, 03:19 PM   #1
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Default Audio Sweep Gen.

I was going to spend some money and buy/build a sweep generator (I own an old Grundig #295 Schwebungssummer (how often do you get to use such word?!) I am rebuilding.

Googling, I found David and Cecilia Taylor`s Web Pages

I downloaded their freeware sweepgenerator (under audiotools) and it works quite well. I have not tested it for THD etc. but it looks OK on the scope.

I had not come across a mention of this site here, so check it out, much other interesting stuff too! A job well done by D+C Taylor!

E
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Old 6th March 2011, 04:22 AM   #2
singa is offline singa  Singapore
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Hi, Download the free Visual Analyser ,a spectrum analyser ,oscilloscope ,signal and sweep generator and much more.Sure beats the one you down loaded. singa
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Old 6th March 2011, 04:38 AM   #3
AEIOU is offline AEIOU  United States
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Here is something you might enjoy, free to download. All or some.
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Quote:
Originally Posted by mickeymoose View Post
I was going to spend some money and buy/build a sweep generator (I own an old Grundig #295 Schwebungssummer (how often do you get to use such word?!) I am rebuilding.

Googling, I found David and Cecilia Taylor`s Web Pages

I downloaded their freeware sweepgenerator (under audiotools) and it works quite well. I have not tested it for THD etc. but it looks OK on the scope.

I had not come across a mention of this site here, so check it out, much other interesting stuff too! A job well done by D+C Taylor!

E
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Old 6th March 2011, 05:00 AM   #4
Pano is offline Pano  United States
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Thanks Mr. Moose! Had never seen that one, it's rather nice - simple too. A lot of folks here will get good use out of that.
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Old 6th March 2011, 05:20 PM   #5
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Is there any freeware software avaliable that can generate a sine sweep with user definable frequencies and sweep time ( at least 45 seconds), and also let me save it as a .wav file....?
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Old 6th March 2011, 05:42 PM   #6
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Originally Posted by Henry8 View Post
Is there any freeware software avaliable that can generate a sine sweep with user definable frequencies and sweep time ( at least 45 seconds), and also let me save it as a .wav file....?
I think Visual Analyser will do this- but not sure. I use Spectra Plus ($$ but full-featured free trial -30 days- should let you get those files recorded) for some acoustic measurements, and I think it will record the 'source sweep', though I've only recorded the 'response' curves from a microphone. SpectraPlus is quite powerful but not hard to use the basic features. As I've implied, probably too expensive for most folks who only need a once-in-a-while tool
Both Visual Analyser and SpectraPlus are used by guitar builders who use resonance info for selecting wood and optimising guitar structures.
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