[PD] understanding [biquad~]

[Anton Woldhek]

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
>>
>>
>>
>> _______________________________________________
>> Pd-list at lists.iem.at mailing list
>> UNSUBSCRIBE and account-management ->
>> http://lists.puredata.info/listinfo/pd-list
>>
>>
>
> _______________________________________________
> Pd-list at lists.iem.at mailing list
> UNSUBSCRIBE and account-management ->
> http://lists.puredata.info/listinfo/pd-list
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.puredata.info/pipermail/pd-list/attachments/20141014/b8ac9e93/attachment.html>