<html>
<head>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
</head>
<body bgcolor="#FFFFFF" text="#000000">
Hi Alexandre, thanks for your reply.<br>
<br>
<div class="moz-cite-prefix">On 30/01/15 02:39, Alexandre Torres
Porres wrote:<br>
</div>
<blockquote
cite="mid:CAEAsFmjHsR0CaUs8bw3XxdAOMJqzhfW9hkQ2RGfErCHcCRY20g@mail.gmail.com"
type="cite">it's how the filters were designed, they're not
perfect throughout the spectrum</blockquote>
<br>
Probably it would be better then to warn users about this limit of
~12 kHz in the help-files then.<br>
<br>
<blockquote
cite="mid:CAEAsFmjHsR0CaUs8bw3XxdAOMJqzhfW9hkQ2RGfErCHcCRY20g@mail.gmail.com"
type="cite">you'll need to use/build other filters for that
purpose of working with that higher portion of the spectrum (in
which I can hardly still hear, by the way)/<br>
</blockquote>
<br>
Hmm, I can clearly hear the difference between feeding a high
frequency to [vcf~] and to [bp~] using a large enough Q (~100 for
instance). With that Q, try sweeping from 12kHz until 14kHz in both
filters, and you'll hear that [vcf~] behaves as expected, while
[bp~] does not change the frequency but only affects the amplitude
of the output for some reason.<br>
<br>
<blockquote
cite="mid:CAEAsFmj1Y2MsforvYxTj7spxBAPzWnhQB=fAaC9pnM7qNo2UwQ@mail.gmail.com"
type="cite">a few of patches of mine that describe the behaviour
of vanilla and some extended filters</blockquote>
<br>
Thanks a lot for the patches, but I am actually aware of [vcf~] and
[biquad~]. This message of mine was intended to be a bug report
rather than a cry for help as I have no particular problem with
filters needing a solution right now. But in any case I will check
your patches, as I know (and enjoy very much) yours <i>Computer
Music With Examples In Pd</i>.<br>
<br>
Take care,<br>
Gilberto Agostinho<br>
</body>
</html>