<div dir="ltr">thanks, more of it coming up soon ;)<div><br></div><div>I have the whole thing in portuguese at <a href="http://puredata.info/docs/tutorials">http://puredata.info/docs/tutorials</a></div><div><br></div><div>check:</div><div><br></div><div><ul style="line-height:1.5em;margin:0.5em 0px 0px 1.5em;padding:0px;list-style-type:square;font-family:'Lucida Grande',Verdana,Lucida,Helvetica,Arial,sans-serif;font-size:13px"><li style="margin-bottom:0.5em">Material Didático em Português (BR) por Alexandre Porres <span class="" style="padding:1px 0px 1px 16px;background:url(http://puredata.info/link_icon.gif) 0px 1px no-repeat transparent"><a href="http://sites.google.com/site/porres/pd" style="color:purple;text-decoration:none;border-bottom-width:1px;border-bottom-color:rgb(204,204,204);border-bottom-style:solid;background-color:transparent">Página do Material</a></span><ul style="line-height:1.5em;margin:0.5em 0px 0px 1.5em;padding:0px;list-style-type:square"><li style="margin-bottom:0.5em"><span class="" style="padding:1px 0px 1px 16px;background:url(http://puredata.info/lock_icon.gif) 0px 1px no-repeat transparent"><a href="https://sites.google.com/site/porres/ComputacaoMusical-Porres.zip" style="color:purple;text-decoration:none;border-bottom-width:1px;border-bottom-color:rgb(204,204,204);border-bottom-style:solid;background-color:transparent">Computação Musical Com Exemplos em Pd</a></span> versão de out 2014</li></ul></li></ul></div></div><div class="gmail_extra"><br><div class="gmail_quote">2014-10-14 15:53 GMT-03:00 Anton Woldhek <span dir="ltr"><<a href="mailto:woldhek@gmail.com" target="_blank">woldhek@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Ey Alexandre, That is a super useful helpfile even in portogues. Beautiful!<div><br></div><div>Thanks for sharing.</div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 9, 2014 at 1:09 AM, Alexandre Torres Porres <span dir="ltr"><<a href="mailto:porres@gmail.com" target="_blank">porres@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">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. <div><br></div><div>but long story short, if you have no idea, maybe you shouldn't bother with it :)</div><div><br></div><div>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.</div><div><br></div><div>cheers</div></div><div class="gmail_extra"><br><div class="gmail_quote">2014-09-29 2:13 GMT-03:00 IOhannes m zmölnig <span dir="ltr"><<a href="mailto:zmoelnig@iem.at" target="_blank">zmoelnig@iem.at</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div><div>On 09/29/2014 03:48 AM, Фывапр Олджэвич wrote:<br>
> Dear List !<br>
><br>
> Can anyone help me with the understanding of [biquad~] filter ? No tutorials , no explanations found. The help file has very little info.<br>
><br>
> What do coefficients mean ?<br>
><br>
<br>
</div></div>[biquad~] is a low-level filter. i think it is discussed in most digital<br>
signal processing courses.<br>
these signal processing courses will usually discuss the working of a<br>
biquad in great detail which i think cannot be possibly covered in an<br>
email or a help-patch.<br>
<br>
you might start by searching the web or checking [wikipedia].<br>
<br>
gfmdsar<br>
IOhannes<br>
<br>
[wikipedia] <a href="https://en.wikipedia.org/wiki/Digital_biquad_filter" target="_blank">https://en.wikipedia.org/wiki/Digital_biquad_filter</a><br>
<br>
<br>
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