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 Forum index » DIY Hardware and Software » Musical Interfaces
transform audio signal into control voltage
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lordzoster



Joined: Aug 07, 2008
Posts: 25
Location: Italy

PostPosted: Sat Apr 04, 2009 9:57 am    Post subject: transform audio signal into control voltage Reply with quote  Mark this post and the followings unread

hallo is there any DIY to convert an audio signal into a control voltage?
Something like the the MS03, but easy to DIY
thanks in advance
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RF



Joined: Mar 23, 2007
Posts: 1502
Location: Northern Minnesota, USA
Audio files: 28

PostPosted: Sun Apr 05, 2009 9:06 pm    Post subject: Reply with quote  Mark this post and the followings unread

Polyphony Nov-Dec 1978 had a circuit by John Blacet. It's not very accurate - but it works.

Here's a link to the PDF.
http://www.loscha.com/scans/Polyphony-1978-10.pdf

Good luck!

bruce

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lordzoster



Joined: Aug 07, 2008
Posts: 25
Location: Italy

PostPosted: Sun Apr 05, 2009 11:54 pm    Post subject: Reply with quote  Mark this post and the followings unread

great! thanks

R
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Ricko



Joined: Dec 25, 2007
Posts: 251
Location: Sydney, Australia
Audio files: 27

PostPosted: Fri Apr 17, 2009 6:57 pm    Post subject: Reply with quote  Mark this post and the followings unread

I put up a schematic last week

http://electro-music.com/forum/topic-33539.html

I have not built it, just simulated it in SPICE.

You could pair it with the Buchla230 envelope follower see
http://electro-music.com/forum/post-234381.html
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