[PD] understanding [biquad~]

[Alexandre Torres Porres]

another biquad example from my new tutorial examples in portuguese

cheers

2014-10-17 20:10 GMT-03:00 Alexandre Torres Porres <porres at gmail.com>:

> 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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