[PD] iem filters - best for isolating frequencies?

Paris Treantafeles paris at parisgraphics.com
Fri Sep 1 22:00:51 CEST 2006


Hi Kyle,

Good call - that's exactly what I didn't spend much time on!
I'll have to read up and experiment with that.

Thanks,
p

On Sep 1, 2006, at 3:56 PM, Kyle Klipowicz wrote:

> Paris~
>
> I really would recommend the "learn" method, it creates a fft-based
> profile (I think using a neural net, correct me someone if I'm
> mistaken) of the sounds through a training routine of a suggested 10
> occurrences.
>
> I have not played with this feature too much myself, but imagine that
> if it works even halfway decent, it could do much to better your
> applications.  Please keep the list updated on your success/failure
> with this feature.
>
> ~Kyle
>
> On 9/1/06, Paris Treantafeles <paris at parisgraphics.com> wrote:
>> Hi Kyle,
>>
>> Thanks - I should have mentioned that I use bonk~ in some patches as
>> well.
>> I've had better luck with it though when there's not too many
>> different simultaneous frequencies going on.
>> That's what got me filtering the input first- but I will take another
>> look at it, maybe i just didn't use it's full possibilities.
>>
>> -p
>>
>> On Sep 1, 2006, at 3:41 PM, Kyle Klipowicz wrote:
>>
>> > Instead of filters, try using bonk~, which you can train tto
>> > differentiate various attacks and label them accordingly in its
>> > output.
>> >
>> > ~Kyle
>> >
>> > On 9/1/06, Paris Treantafeles <paris at parisgraphics.com> wrote:
>> >> Hello List,
>> >>
>> >> I have some Gem patches that react to incoming sound in various  
>> ways.
>> >> Up until now, I would take the adc~ input and use 3 vcf~ 's   
>> (one for
>> >> bass, mid and high) and with the right settings of Hz and Q, I was
>> >> getting fairly good envelopes.
>> >> Looking at this again and wanting to improve it, I have been
>> >> experimenting with iemlib filters:
>> >> http://pd.iem.at/iemlib/abstract.html
>> >>
>> >> I was wondering if anyone can recommend which of these would be  
>> best
>> >> for trying to isolate, say a bass drum or a hi hat from an
>> >> incoming mix?
>> >>
>> >> I read the Bessel filters are often used in cross overs but  
>> from just
>> >> experimenting a bit it seems some of the others (e.g. vcf_lp2~)  
>> are
>> >> giving me a better response.
>> >>
>> >> Thanks,
>> >> p
>> >>
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>> >
>> >
>> > --
>> >
>> > http://theradioproject.com
>> > http://perhapsidid.blogspot.com
>> >
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>
>
> -- 
>
> http://theradioproject.com
> http://perhapsidid.blogspot.com
>
> (((())))(()()((((((((()())))()(((((((())()()())())))
> (())))))(()))))))))))))(((((((((((()()))))))))((())))
> ))(((((((((((())))())))))))))))))))__________
> _____())))))(((((((((((((()))))))))))_______
> ((((((())))))))))))((((((((000)))oOOOOOO





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