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Old 10th January 2007, 03:19 AM   #31
sam9 is offline sam9  United States
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check
http://audio.rightmark.org

You will need buffers and a voltage divider if you want to protect the inputs of your sound card. The soundcard sampling ratye limits you if you want to do a THD plot all the way to 20k Hz.

However it's FREE. Not an unimportant consideration.
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Old 10th January 2007, 05:30 PM   #32
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An approach to this could be one of the HP 400 series of AC voltmeters, that has an amplified output. A lot depends on how low the meter's noise and distortion is, of course. Heathkit's IM-5238 is a similar instrument, and I have won the bid on a unit on Ebay, so I will see how well suited it may be as a sound card "front end".
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Old 10th January 2007, 07:44 PM   #33
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Quote:
Originally posted by sam9
check http://audio.rightmark.org

You will need buffers and a voltage divider if you want to protect the inputs of your sound card. The soundcard sampling ratye limits you if you want to do a THD plot all the way to 20k Hz.
That looks really cool. When I get time I'll fire it up!

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Old 11th January 2007, 12:35 AM   #34
sam9 is offline sam9  United States
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There is also http://www.audiotester.de

No free but fairly cheap. Documentation is in imperfect English. When reading it it's easy to hear it in a Schwarzenegger voice.
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Old 11th January 2007, 12:41 AM   #35
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Quote:
Originally posted by sam9
There is also http://www.audiotester.de

No free but fairly cheap. Documentation is in imperfect English. When reading it it's easy to hear it in a Schwarzenegger voice.
Schwarzenegger is a Austrian, and he has abandoned their economics.
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Old 11th January 2007, 09:27 AM   #36
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Hi all,

how about this one... worth the money and shipping cost?

[URL=http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7591259514&ssPageName= ADME:LBS:US:11#ebayphotohosting/URL]


grzz,
Thijs

Arggggg how do I get that link in my message

http://cgi.ebay.com/ws/eBayISAPI.dll...ayphotohosting
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Old 11th January 2007, 10:22 AM   #37
steenoe is offline steenoe  Denmark
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The webadress works if you paste it to the browsers adress line.
How does that smiley end up in the link

Steen
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Old 11th January 2007, 11:09 AM   #38
SY is offline SY  United States
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The BB software sees a colon followed by D as a smiley. That's an unusual combo in a URL and whoever coded the software didn't think of that.
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You might be screaming "No, no, no" and all they hear is "Who wants cake?" Let me tell you something: They all do. They all want cake.- Wilford Brimley
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Old 11th January 2007, 11:26 AM   #39
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I'll try again...


ebay link


YES ... made it...
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Old 11th January 2007, 04:36 PM   #40
steenoe is offline steenoe  Denmark
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Quote:
There is also http://www.audiotester.de
Does anyone have experience with that software? Sounds almost as being too cheap, easy and convenient to be true?

Steen
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