[PD] understanding [biquad~]

[Alexandre Torres Porres]

thanks, more of it coming up soon ;)

I have the whole thing in portuguese at http://puredata.info/docs/tutorials

check:


   - Material Didático em Português (BR) por Alexandre Porres Página do
   Material <http://sites.google.com/site/porres/pd>
      - Computação Musical Com Exemplos em Pd
      <https://sites.google.com/site/porres/ComputacaoMusical-Porres.zip>
versão
      de out 2014


2014-10-14 15:53 GMT-03:00 Anton Woldhek <woldhek at gmail.com>:

> Ey Alexandre, That is a super useful helpfile even in portogues. Beautiful!
>
> Thanks for sharing.
>
> On Thu, Oct 9, 2014 at 1:09 AM, Alexandre Torres Porres <porres at gmail.com>
> wrote:
>
>> I'm working on a tutorial about all this filter theory in depth right now
>> that makes it accessible to musicians, but in portuguese only.
>>
>> but long story short, if you have no idea, maybe you shouldn't bother
>> with it :)
>>
>> what you should know is that you can have lots of filter types with a
>> biquad system, you only need to generate the right coefficients. There are
>> some externals that do that for you, some are in Pd-Extended, check the
>> attaches file. In max/msp, the filtergraph object will do that kind of
>> thing too.
>>
>> cheers
>>
>> 2014-09-29 2:13 GMT-03:00 IOhannes m zmölnig <zmoelnig at iem.at>:
>>
>>> On 09/29/2014 03:48 AM, Фывапр Олджэвич wrote:
>>> >  Dear List !
>>> >
>>> > Can anyone help me with the understanding of [biquad~] filter ? No
>>> tutorials , no explanations found. The help file has very little info.
>>> >
>>> > What do coefficients mean ?
>>> >
>>>
>>> [biquad~] is a low-level filter. i think it is discussed in most digital
>>> signal processing courses.
>>> these signal processing courses will usually discuss the working of a
>>> biquad in great detail which i think cannot be possibly covered in an
>>> email or a help-patch.
>>>
>>> you might start by searching the web or checking [wikipedia].
>>>
>>> gfmdsar
>>> IOhannes
>>>
>>> [wikipedia] https://en.wikipedia.org/wiki/Digital_biquad_filter
>>>
>>>
>>>
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>>>
>>
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>
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