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Old 18th April 2014, 08:26 AM   #1
aczern is offline aczern  Poland
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Join Date: May 2008
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Default Half-sine wave measurements

I am looking for free software which can do half-sine wave measurements like in the document http://www.myro.de/piw-en.pdf

Last edited by aczern; 18th April 2014 at 09:16 AM.
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Old 19th April 2014, 12:32 AM   #2
Zero D is offline Zero D  United Kingdom
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Hi, interesting link & info

You could use Freeware software, for eg, Audacity Or Wavosaur, to make it/them.

As an example, i made this 1kHz 16 Bit Positive Half Sine Wave.WAV file for you using Wavosaur. It's actually a pulse.

I loaded a 1kHz 5 second .16 Bit WAV file & selected Just one cycle, then copy/pasted it to a new window/file. I then selected Only the Positive parts of the wave, & then used Trim/Crop to eliminate the Negative portions. I then saved this as a new .WAV to my desktop.

When you play it you'll realise it's Very short, but that's how it's supposed to be. Looping it enables you to hear what it sounds like repeated over & over. But that's not what it's designed for.

You could convert my .WAV to other frequencies for testing, or make your own.

Let me know how you get on.
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File Type: zip Zero D 1kHz Positive Half Sine Wave.zip (310 Bytes, 5 views)
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Old 19th April 2014, 11:44 AM   #3
aczern is offline aczern  Poland
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Join Date: May 2008
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Thank you for the answer.
Someone gave me the link to site Professional Online Audio Frequency Signal Generator
Creating a half sine pulse by this site is faster than by the software.
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File Type: zip wave.zip (11.5 KB, 2 views)
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Old 19th April 2014, 04:33 PM   #4
Zero D is offline Zero D  United Kingdom
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Yes that www will do you what you require, if you select enough sample points. Very useful www i wasn't aware of until today

Anyway, making that pulse was worthwhile, as i learnt something new So win win All round

Regards
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