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allpass filter resonance
3 posts
• Page 1 of 1
allpass filter resonance
by Logado » Thu Apr 16, 2015 1:52 pm
I do phaser using this scheme (found on the wiki)
http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Phaser_feedback.svg/600px-Phaser_feedback.svg.png
but I want to reduce the distance between resonances, can not figure out how to do it.
Now able to increase the distance but can not reduce.
I think I need another filter, but do not know why
http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Phaser_feedback.svg/600px-Phaser_feedback.svg.png
but I want to reduce the distance between resonances, can not figure out how to do it.
Now able to increase the distance but can not reduce.
I think I need another filter, but do not know why
- Attachments
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resonance spread.fsm- (201.9 KiB) Downloaded 1091 times
- Logado
- Posts: 62
- Joined: Tue Jan 06, 2015 5:42 pm
Re: allpass filter resonance
by Logado » Thu Apr 16, 2015 8:40 pm
found the solution, need to use a filter with resonance
- Logado
- Posts: 62
- Joined: Tue Jan 06, 2015 5:42 pm
Re: allpass filter resonance
by martinvicanek » Thu Apr 16, 2015 10:49 pm
Yes, you need second order (biquad) allpass filters for that. Get RBJ filters.
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martinvicanek - Posts: 1319
- Joined: Sat Jun 22, 2013 8:28 pm
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