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filter banks
by ronald kuivila
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Reply (Restricted by the Administrator) | Reply to Author | View Threaded | Show Only this Message Hi all,
I am interested in doing some work with a bark or mel spaced filter bank and am wondering if anyone has done anything in SC along these lines or, barring that, have any suggestions of existing gpl implementations to cannnibalize... Cheers, RJK _______________________________________________ sc-dev mailing list sc-dev@... http://lists.create.ucsb.edu/mailman/listinfo/sc-dev |
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Re: filter banks
by Josh Parmenter
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Reply (Restricted by the Administrator) | Reply to Author | View Threaded | Show Only this Message Hi Ron,
Funny... I was just thinking about making some UGens along similar lines. I have two Bark-based classes that I want to UGen up.. they are both in my lib if you are interested in looking at them. The first is BarkDelay. This is a filter based class that Pete Moss and I put together to try and mimic spectral delay a few years back. I now have a VERY spectral delay like UGen (PV_BinDelay), but the filter based one with just the 25 bands had a nice feel to it, and I still use it for its sound. The second is my Vocode class... not a shabby little vocoder, and again it has a nice sound to it I think because of the Bark nature of it. I may start trying to code these up in the next week or two since my awake schedule is currently in chaos with my new daughter. I have found that I am awake holding an uncomfortable little one for 3-4 hours a night ... this has proven to be some good coding / composing time! Josh On Jun 9, 2008, at 10:18 AM, ronald kuivila wrote: > Hi all, > > I am interested in doing some work with a bark or mel spaced filter > bank and am wondering if anyone has > done anything in SC along these lines or, barring that, have any > suggestions of existing gpl implementations to cannnibalize... > > Cheers, > > RJK > > _______________________________________________ > sc-dev mailing list > sc-dev@... > http://lists.create.ucsb.edu/mailman/listinfo/sc-dev ****************************************** /* Joshua D. Parmenter http://www.realizedsound.net/josh/ “Every composer – at all times and in all cases – gives his own interpretation of how modern society is structured: whether actively or passively, consciously or unconsciously, he makes choices in this regard. He may be conservative or he may subject himself to continual renewal; or he may strive for a revolutionary, historical or social palingenesis." - Luigi Nono */ _______________________________________________ sc-dev mailing list sc-dev@... http://lists.create.ucsb.edu/mailman/listinfo/sc-dev |
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Re: filter banks
by Dan Stowell
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Reply (Restricted by the Administrator) | Reply to Author | View Threaded | Show Only this Message Hi -
The MFCC UGen has (of course) a Mel-spaced filter-bank applied to FFT bins. Not sure if that's appropriate or if you want time-domain filters. I think Nick also has analogous code for Bark scale. Dan 2008/6/9 ronald kuivila <rkuivila@...>: > Hi all, > > I am interested in doing some work with a bark or mel spaced filter > bank and am wondering if anyone has > done anything in SC along these lines or, barring that, have any > suggestions of existing gpl implementations to cannnibalize... > > Cheers, > > RJK > > _______________________________________________ > sc-dev mailing list > sc-dev@... > http://lists.create.ucsb.edu/mailman/listinfo/sc-dev > -- http://www.mcld.co.uk _______________________________________________ sc-dev mailing list sc-dev@... http://lists.create.ucsb.edu/mailman/listinfo/sc-dev |
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Re: filter banks
by ronald kuivila
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Reply (Restricted by the Administrator) | Reply to Author | View Threaded | Show Only this Message Hi Dan and Josh,
Thanks both. I missed the existence of MFCC and I will check out the Vocode class. Thanks again! RJK On Jun 9, 2008, at 3:41 PM, Dan Stowell wrote: > Hi - > > The MFCC UGen has (of course) a Mel-spaced filter-bank applied to FFT > bins. Not sure if that's appropriate or if you want time-domain > filters. I think Nick also has analogous code for Bark scale. > > Dan > > > 2008/6/9 ronald kuivila <rkuivila@...>: >> Hi all, >> >> I am interested in doing some work with a bark or mel spaced filter >> bank and am wondering if anyone has >> done anything in SC along these lines or, barring that, have any >> suggestions of existing gpl implementations to cannnibalize... >> >> Cheers, >> >> RJK >> >> _______________________________________________ >> sc-dev mailing list >> sc-dev@... >> http://lists.create.ucsb.edu/mailman/listinfo/sc-dev >> > > > > -- > http://www.mcld.co.uk > _______________________________________________ > sc-dev mailing list > sc-dev@... > http://lists.create.ucsb.edu/mailman/listinfo/sc-dev > _______________________________________________ sc-dev mailing list sc-dev@... http://lists.create.ucsb.edu/mailman/listinfo/sc-dev |
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