<div dir="ltr">you should update that to pd then :) havent opened csound since the nineteen hundreds as well....<div><br></div><div>these digital waveguide pd patches are gorgeous, it all sounds beautiful... to hell with some lousy drums sounds... but in order to digest this, I need some time now.</div>
<div><br></div><div>cheers</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/8/31 Ed Kelly <span dir="ltr"><<a href="mailto:morph_2016@yahoo.co.uk" target="_blank">morph_2016@yahoo.co.uk</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-size:12pt;font-family:arial,helvetica,sans-serif"><div><span>Years and years ago (1996) I made a CSound script, with the control rate set to the same frequency as the audio rate, and used it to generate FM Karplus-Strong. A sine wave modulating a Karplus-Strong string model's frequency.</span></div>
<div style="font-style:normal;font-size:16px;background-color:transparent;font-family:arial,helvetica,sans-serif"><span><br></span></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:arial,helvetica,sans-serif">
I swept the modulation frequency through the experiment, while generating regular impulses to pluck the "string" and there were indeed some quite snare-like sounds in the more dissonant carrier/modulator relationships - i.e. where the ratios were more like 32:31 than 5:4. The carrier
being the KS string model and the modulator being the sine wave.</div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:arial,helvetica,sans-serif"><br></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:arial,helvetica,sans-serif">
If you're doing everything with vd~ then you can emulate this. I think I still have it on one of my hard drives, but I don't know which or where. I'll try to dig out the audio tomorrow...(today? for some reason I am awake at 6am) and possibly even the CSound orc/sco files !?!?!</div>
<div class="im"><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:arial,helvetica,sans-serif"><br></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:arial,helvetica,sans-serif">
Cheers,</div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:arial,helvetica,sans-serif">Ed</div><div><br></div><div><br></div><div>Ninja Jamm - a revolutionary new music remix app from Ninja Tune and Seeper, for iPhone and iPad<br>
<a href="http://www.ninjajamm.com/" target="_blank">http://www.ninjajamm.com/</a></div><div><br><br></div><div>Gemnotes-0.2: Live music notation for Pure Data, now with dynamics!<br><a href="http://sharktracks.co.uk/" target="_blank">http://sharktracks.co.uk/</a> </div>
<br> </div><div><blockquote style="border-left:2px solid rgb(16,16,255);margin-left:5px;margin-top:5px;padding-left:5px"> <div style="font-family:arial,helvetica,sans-serif;font-size:12pt"> <div style="font-family:'times new roman','new york',times,serif;font-size:12pt">
<div dir="ltr"> <hr size="1"> <font face="Arial"><div class="im"> <b><span style="font-weight:bold">From:</span></b> Alexandre Torres Porres <<a href="mailto:porres@gmail.com" target="_blank">porres@gmail.com</a>><br>
<b><span style="font-weight:bold">To:</span></b> Jonathan Wilkes <<a href="mailto:jancsika@yahoo.com" target="_blank">jancsika@yahoo.com</a>> <br><b><span style="font-weight:bold">Cc:</span></b> pd-lista puredata <<a href="mailto:pd-list@iem.at" target="_blank">pd-list@iem.at</a>> <br>
</div><b><span style="font-weight:bold">Sent:</span></b> Saturday, 31 August 2013, 5:38<div class="im"><br> <b><span style="font-weight:bold">Subject:</span></b> Re: [PD] karplus drum?<br> </div></font> </div> <div><br><div>
<div class="h5"><div><div dir="ltr">I'm not gonna go through the paper at all anyway, I couldn't and shouldn't...<div><br></div><div>but I've just finished implementing in Pure Data a patch from that Max forum... seems to be working, but the "drum" part, as it says, it's only<div>
<br></div><div>"modulating the feedback so that it alternates quickly between either +1-1. different frequencies of modulation create different sounds, with high frequencies sounding a bit like a snare" </div>
<div>
<br></div><div>it's true, but I know you could also make some bass drum sounds, as I've seen in here <a rel="nofollow" href="https://ccrma.stanford.edu/~jos/aiff/ksdrum.aiff" target="_blank">https://ccrma.stanford.edu/~jos/aiff/ksdrum.aiff</a></div>
</div><div><br></div><div>what interests me, nevertheless, is learning new tricks and tweaking the values so they sound more bizarre of course.</div><div><br></div><div>cheers</div></div><div><br><br><div>
2013/8/30 Alexandre Torres Porres <span dir="ltr"><<a rel="nofollow" href="mailto:porres@gmail.com" target="_blank">porres@gmail.com</a>></span><br><blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">here's the original paper by the way<div><br></div><div><a rel="nofollow" href="http://users.soe.ucsc.edu/~karplus/papers/digitar.pdf" target="_blank">http://users.soe.ucsc.edu/~karplus/papers/digitar.pdf</a><br>
</div>
</div><div><div><div>
<br><br><div>2013/8/30 Alexandre Torres Porres <span dir="ltr"><<a rel="nofollow" href="mailto:porres@gmail.com" target="_blank">porres@gmail.com</a>></span><br><blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Hi. There is a modification to the algorithm that makes it sound more like a drum. Here's a topic about it<div><br></div><div><a rel="nofollow" href="http://cycling74.com/forums/topic/karplus-strong-extension-drum-synthesis-algorithm/" target="_blank">http://cycling74.com/forums/topic/karplus-strong-extension-drum-synthesis-algorithm/</a><br>
</div><div><br></div><div>gonna try and translate it to Pd, but wondering if anyone has ever done it already ;)</div><div><br></div><div>cheers</div></div><div><div><div><br>
<br><div>2013/8/30 Jonathan Wilkes <span dir="ltr"><<a rel="nofollow" href="mailto:jancsika@yahoo.com" target="_blank">jancsika@yahoo.com</a>></span><br>
<blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div>
<div>On 08/30/2013 05:04 PM, Alexandre
Torres Porres wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">hi there, anyone knows of a drum made of karplus
strong implemented in Pd?</div>
</blockquote>
<br></div>
What kind of drum? For a snare it's just a matter of choosing a
low-enough frequency,<br>
then probably slapping on some reverb and other little touches to
make it more<br>
interesting.<br>
<br>
I think it's just a matter of starting with a Pd implementation of
Karplus-Strong and<br>
tweaking the variables. And depending on the type of drum, you can
get a lot of<br>
variety from tweaking the shape of the decay-- that is, how you
attenuate the "chunk"<br>
of noise before you feed it back in.<br>
<br>
-Jonathan<br>
<br>
<blockquote type="cite">
<div dir="ltr">
<div><br>
</div>
<div>thanks</div>
</div>
<br>
<fieldset></fieldset>
<br>
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