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Hello all
Does anybody now how to create low-shelf filters in SonicBirth? Since there is no element for this, and I'm knew to SonicBirth, I'm wondering how can this be implemented. Thanks |
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| ^ | Joined: 02 May 2011 Member: #255888 | ||
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i haven't done this before specifically, but i would use the crossover element to split the signal into the component above the shelf and below the shelf and then you can use that to raise or lower the level of each of those as you like. |
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| ^ | Joined: 19 Apr 2011 Member: #254985 | ||
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goldenhelix wrote: i haven't done this before specifically, but i would use the crossover element to split the signal into the component above the shelf and below the shelf and then you can use that to raise or lower the level of each of those as you like.
Thanks for that  It seems like a nice and cleaver solution. |
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| ^ | Joined: 02 May 2011 Member: #255888 | ||
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Keep in mind though that since the SB crossover element is a "Linkwitz-Riley 24db/octave crossover", the outputs will have a phase difference of 360°.
http://en.wikipedia.org/wiki/Linkwitz-Riley_filter http://www.linkwitzlab.com/filters.htm#3 |
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| ^ | Joined: 11 Apr 2007 Member: #147136 Location: Montreal, Canada | ||
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Kewl wrote: Keep in mind though that since the SB crossover element is a "Linkwitz-Riley 24db/octave crossover", the outputs will have a phase difference of 360°.
http://en.wikipedia.org/wiki/Linkwitz-Riley_filter http://www.linkwitzlab.com/filters.htm#3 Yes I will do, thanks for that. Also thanks for the cool LINKWITZLAB link, very very useful info. Cheers |
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| ^ | Joined: 02 May 2011 Member: #255888 | ||
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Kewl wrote: Keep in mind though that since the SB crossover element is a "Linkwitz-Riley 24db/octave crossover", the outputs will have a phase difference of 360°.
http://en.wikipedia.org/wiki/Linkwitz-Riley_filter http://www.linkwitzlab.com/filters.htm#3 This is correct, and the crossover will not make a very good sounding shelving EQ for this reason. A typical shelving EQ has a 6dB / oct slope. I've tried a number of methods, but without recursive equations or a specific building block, I've found it impossible. |
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| ^ | Joined: 17 Aug 2005 Member: #78426 | ||
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Have you tried using this (see bottom of thread) to build the shelving filter?
http://www.kvraudio.com/forum/viewtopic.php?t=229979 |
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| ^ | Joined: 04 Apr 2010 Member: #229127 | ||
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RogerJoensson wrote: Have you tried using this (see bottom of thread) to build the shelving filter?
http://www.kvraudio.com/forum/viewtopic.php?t=229979 I was very active in that thread, but I never did try that out... thanks for the reminder! |
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| ^ | Joined: 17 Aug 2005 Member: #78426 |
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