Pd-list October 2004

pd-list@lists.iem.at

142 participants
303 discussions

[ANN] cyclone help update
by CK 07 Oct '04

07 Oct '04

hi, I'm almost done really, there are only 5 (f-i-v-e) objects missing and I hope to get them done before the convention is over. Krzysztof ? I'll bump into you tonight somewhere ? I have a few small questions ... get it here: -> http://test.pilot.fm/pd/patches/help/ you can also get individual files here: -> http://test.pilot.fm/pd/patches/help/cyclone-help/ feedback is warmly welcome, if someone feels like doing some of the remaining things (see TODO) please go ahead. HTH x -- chris(a)lo-res.org Postmodernism is german romanticism with better http://pilot.fm/ special effects. (Jeff Keuss / via ctheory.com)

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Information
by adamairmailed＠yahoo.com 07 Oct '04

07 Oct '04

Monthly news report.

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RE: [PD] Layered loops: Delays or Arrays?
by ba 07 Oct '04

07 Oct '04

I like using delay lines because it seems like an elegant solution to the problem, but maybe it's just complicating things. As for the click, you might be able to use a sample and hold object and adjust the way the sample is written into the delay line. Come to think of it, maybe the array version would be better because you could samphold at every loop start. but wouldn't it be more efficient to write the delay line correctly the first time? here's something to start with. >===== Original Message From Ian Smith-Heisters <heisters(a)0x09.com> ===== >Hi list, > >I'm trying to build a gizmo that will take adc~, throw it into a buffer >of some sort and loop it. Then you could create another and they would >be layered over eachother. I think this is a thing that performance >musicians often buy as hardware. > >The way I initially went about it is using a delay loop. You hit a >button, and it routes sound from adc~ into a delwrite~, then after a >defined amount of time it switches the input from the delwrite~ over to >a delread~ so that the delay starts looping. > >I was just wondering if it would be better to implement this using >arrays--which has more overhead? Are there other factors? > >And while I'm at it, is there any neato trick to getting rid of the >click at the seam of the loop besides turning the amplitude down with a >line? > >Thanks, >Ian > >_______________________________________________ >PD-list(a)iem.at mailing list >UNSUBSCRIBE and account-management -> http://iem.at/cgi-bin/mailman/listinfo/pd-list

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Re: OSCprepend & rrad.tpl.pd
by chun lee 07 Oct '04

07 Oct '04

Hi there: Thanks, I got it now. I kept loading up the rrad.tpl as a patch rather than thinking that its a abstraction....... My bad;) CHUN

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Re: OSCprepend & rrad.tpl.pd
by chun lee 07 Oct '04

07 Oct '04

Hi there: Thanks for your reply, now that I am almost there with the rrad.tpl.pd. How about the "* OSC-route: float arguments are not OK. OSCroute $1 ...couldn't create" is that a bug? Cheers CHUN >Hallo, >chun lee hat gesagt: // chun lee wrote: > >> In getting rrad.tpl.pd patch of the rradical abstraction to work, I have now >> managed to compile pool and OSC and they seem to work fine. However, on >> loading the rrad.tpl.pd. I got the following errors: >> >> * OSC-route: float arguments are not OK. >> OSCroute $1 >> ... Could't create >> >> OSCprepend $1 >> ... Couldn't create >> >> >> In particular, I realized that although I have a "OSCroute" from compiling >> OSCx, but I don't get a "OSCprepend". Where is OSCprepend? > >OSCprepend is an abstraction, that should come with the RRADical >stuff. It's in /rradical/control/OSCprepend.pd If you create a >[rrad.tpl] object, don't forget to supply the required first argument >which has to start with a slash (like [rrad.tpl /something] ) > >Ciao >-- > Frank Barknecht _ ______footils.org__

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Ways to decrease processing delay?
by Ryan Supak 07 Oct '04

07 Oct '04

Hi, I'm a beginner using PD as a realtime MIDI processor, and with the help of this list, I've been able to prototype my application in just 2 short evenings. Now, I'm looking to make my app as tight and fast as possible. I've used the minimum amount of code whenever possible -- it's probably not as elegant as it could be, but there are no apparently obvious gas-guzzling portions of code. (It does use 2 subpatches, I don't know if those are slower or not.) Also, since the app does not require audio processing, I used the -noaudio flag. I tried using the -nogui flag but it doesn't seem to work at all then. Here's a link to the app if anybody wants to take a quick glance at it for any glaring problems: http://www.vato9.org/pd <http://www.vato9.org/pd> ...and download rsmidi.pd. Thanks, rs

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OSCprepend & rrad.tpl.pd
by chun lee 07 Oct '04

07 Oct '04

Hi there: In getting rrad.tpl.pd patch of the rradical abstraction to work, I have now managed to compile pool and OSC and they seem to work fine. However, on loading the rrad.tpl.pd. I got the following errors: * OSC-route: float arguments are not OK. OSCroute $1 ... Could't create OSCprepend $1 ... Couldn't create In particular, I realized that although I have a "OSCroute" from compiling OSCx, but I don't get a "OSCprepend". Where is OSCprepend? Many thanks Yours CHUN

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pool.pd_linux: libstdc++.so.6
by chunlee 07 Oct '04

07 Oct '04

hi there: i have just got the "pool" external and upon loading it, i got the following message: /usr/lib/pd/extra/pool.pd_linux: libstdc++.so.6: cannot open shared object file: No such file or directory this is in FedoraCore2. i am not quite sure what the message means, how can i resolve this? many thanks yours CHUN

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2 Q's: env~ and decimation
by matthew jones 07 Oct '04

07 Oct '04

Hi list! Two questions, completely unrelated: (1) How does env~ work? Does it just calculate the root mean square of all values in the input buffer, of user defined size (by just summing each number and adding), or does it use the recursive running sum (RRS) implementation? I'm doubting it uses RRS since you increase the time averaged over, and the frequency at which output is sent DECREASES. This would not be logical in an RRS scheme whereby with one delay and a one tap IIR filter you could get an envelope output at signal rate, independent of sumation interval. (2) Is there a way to decimate in Pd? I recently went to a fantastic lecture on subband filtering, and would like to see if I can implement such an algorithm in Pd. I seem to remember filters with complex coefficients are implementable, but without decimation the advantages to subbanding are lost. Matt -=-=-=-=-=-=-=-=-=-=-=-=- http://www.loopit.org/ -=-=-=-=-=-=-=-=-=-=-=-=-

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pd ports
by Ales Zemene 07 Oct '04

07 Oct '04

servus, after pd starts there is 5400/tcp open pcduo-old which closes again after stopping pd, i guess pd needs some another port open in order to start ? [ bang ( | [ Ales Zemene ] | | IRC chat server : irc.kunstlabor.at| | channels : #puredata #kunstlabor |

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Pd-list October 2004