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RBJ Filters - Audio Biquad - RubyMaths
RBJ Filters - Audio Biquad - RubyMaths
by steph_tsf » Mon Jun 17, 2013 1:33 am
Here is a Flowstone implementation and generalization of the RBJ Filters.
- Attachments
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IIR BiQuad.fsm- (28.92 KiB) Downloaded 1374 times
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- IIR BiQuad (RBJ).fsm
- (216.02 KiB) Downloaded 1370 times
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- IIR BiQuad (RBJ and knobs).fsm
- (225.93 KiB) Downloaded 1382 times
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Re: RBJ Filters - Audio Biquad - RubyMaths
by MyCo » Mon Jun 17, 2013 4:41 am
viewtopic.php?f=3&t=1234
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MyCo - Posts: 718
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Re: RBJ Filters - Audio Biquad - RubyMaths
by steph_tsf » Mon Jun 17, 2013 10:53 am
That's great. Thanks.MyCo wrote:Just in case you haven't seen it already:
viewtopic.php?f=3&t=1234
For equalizing speaker drivers, like for battling against cone breakup in the high frequencies, most of the time you need a combination of LPF, BPF and HPF, for implementing a kind of refined notch.
In the deep bass end, most of the time a Linkwitz Transform (BassBoost/Equalizer) will exhibits the same need.
A simple shelving tone control (Bass/Treble) also requires that you combine the LPF, BPF and HPF outputs of a BiQuad.
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