Pd-list May 2009

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131 participants
200 discussions

Re: [PD] packOSC "BLOB"
by Daniel Wilcox 11 May '09

11 May '09

> iirc, for the very project the decoding is done outside of Pd anyhow (on > specialized hardware), so the problem of [unpackOSC] not knowing what to > do with a blob is a minor issue here. (and the use of specialized > hardware is the reason why data (low-resolution fixed-point numbers) > should actually be packed in a blob rather than floating-point). The decoding should be done on a microcontrollerboard and in puredata > too. The audio data will be sent over ethernet to the target device, > there it should be decoded and played back. > The problem lies at the ethernet layer, where only a 10Mbit/s wire is > available. At a Samplingrate of 44100Hz and a word width of 32bit are > only about 7 channels (without overhead,...) possible. > So it would be fine to reduce the resolution from 32bit floating point > to maybe 16bit or even 8bit fixed point (while 32bit floating point is > still selectable in case of better hardware). > Sending 16bit or 8bit samples over OSC (without losing the gained bit > width (OSC-data-types are at least 32bit)) will require an arbitrary > alignment of the bits within each OSC-data-argument, where BLOB comes > into play. > > > i still think (see above) that even [packOSC] cannot provide a > > consistent interface to pack blobs into an osc message that is > > sufficiently more simple to use than manually constructing OSC messages. > > Thanks > > Wolfgang Sorry if this is a dumb question ... but why would you want to do this in PD, why not use a hardware solution as it would be much faster? Something like Cobranet, ie digital audio over Cat5: http://www.audioscience.com/internet/products/sound_cards/asi54xx.htm -- Dan Wilcox danomatika www.robotcowboy.com

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who wants to port [wacom] for windows (and unix) ?
by João Pais 11 May '09

11 May '09

Hello Pd developers and programmers, we - me and Johannes Kreidler for now - wanted to ask if anyone would be interested in programming a version of Thomas Grill's [wacom] for windows (and unix, if possible). This external is used to take data from wacom tablets - so in case anyone else is interested in this please say something. The features/work would include: - be compatible with general wacom architecture - and specially with the Intuos3 (which is the tablet we own) - take all parameters from the tablet connected - not forgetting tilt+inclination, touch strips and keys (these aren't covered by [wintablet]) - put the compiled binaries in a svn folder packaged with Pd Extended (see below) - be willing to do some maintenance now and then, specially until things get stable (after that, I guess the work would be kind of finished) According to T Grill, the developer(s) that work on this must register with Wacom as developer(s), so that they have access to the wacon API. Also, the source code cannot be given away, so they must sign a non-disclosure contract (from what Thomas said, not as complicated as it sounds). I couldn't find exact information about this, but at http://www.wacomeng.com/devsupport/index.html might be something more clear. It would be perfect if someone would be interested in porting the code just because. In case that doesn't happen, we - me, Johannes Kreidler and whoever wants to join in - would be interested in giving a small payment for the work. We're poor people (just like you), so we can't really pay what a professional programmer should get for the work. In that case, just get in discussion with us, and we'll see what can be done. Again, if this interests someone else - either as developper or contributor - please forward this mail away. Best, JoÃ£o Pais -- Friedenstr. 58 10249 Berlin (Deutschland) Tel +49 30 42020091 | Mob +49 162 6843570 jmmmpais(a)googlemail.com | skype: jmmmpjmmmp

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fluid~in osx leopard??
by Andres Ferrari 11 May '09

11 May '09

thank to everyone for your help and support. I have another problem... how I can get fluid~.pd_darwin for max OSX leopard 10.5? Does anyone have a compilation? to compile the entire package of fluidsynth is very complex an requires a lot of extra software like Fink. please help me, I need so much this external, i have old version of fluid~ for osx 10.4 PPC, but not work in my new computer. thank a lot!!!!!!!!!! Andrés Ferrari G. http://www.myspace.com/anfex ____________________________________________________________________________________ ¡Obtén la mejor experiencia en la web! Descarga gratis el nuevo Internet Explorer 8. http://downloads.yahoo.com/ieak8/?l=e1

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packOSC "BLOB"
by Wolfgang Jäger 11 May '09

11 May '09

Hello, For sending audio efficiently over OSC I would need an OSC-"BLOB". Unfortunately the packOSC object supports no OSC-"BLOB"s. Is there any possibility to send BLOBs? ciao Wolfgang

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collaboration in mancherster
by kruno jost 11 May '09

11 May '09

Hi all, can a PDer user from Manchester (or somewhere around Manchester) please contact me. Or can anyone inform me about anyone who knows anyone? Lets patch people! Thnx in advance for any info Kruno -- URBANA KULTURA I EDUKACIJA (Kruno Jost) www.uke.hr http://gentlejunk.net/projects uke(a)jabber.cz

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your views please
by Andrew Faraday 11 May '09

11 May '09

Hey allI've been working on a delay-based patch for a sort of instant ambient sound. It's all about two high feedback delays, one at 200 ms and one at ten seconds. So whatever got into a mic is repeated and stretched over time. In addition there's three synths controlled by the pitch, volume and attack of the resulting sound.Any comments and suggestions welcome.God BlessAndrew _________________________________________________________________ View your Twitter and Flickr updates from one place – Learn more! http://clk.atdmt.com/UKM/go/137984870/direct/01/

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Re: [PD] signal / message
by Ingo Scherzinger 11 May '09

11 May '09

[prvu~] looks very interesting. Thanx! Ingo > -----Ursprüngliche Nachricht----- > Von: IOhannes m zmoelnig [mailto:zmoelnig@iem.at] > Gesendet: Montag, 11. Mai 2009 10:26 > An: Ingo Scherzinger > Cc: 'Hans Roels'; pd-list(a)iem.at > Betreff: Re: [PD] signal / message > > Ingo Scherzinger wrote: > > Thank you Hans, > > > > that's about what I expected. > > Now having read this I was wondering if there is an object that > > reports > the > > "peak amplitude" of a given window size rather than RMS. > > Does anybody know? > > > > iemlib's [prvu~] > > nothing in Pd-vanilla, afaik. > > > fgamsdr > IOhannes

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Re: [PD] signal / message
by Ingo Scherzinger 11 May '09

11 May '09

Thank you Hans, that's about what I expected. Now having read this I was wondering if there is an object that reports the "peak amplitude" of a given window size rather than RMS. Does anybody know? Ingo > -----Ursprüngliche Nachricht----- > Von: Hans Roels [mailto:hans.roels@versateladsl.be] > Gesendet: Montag, 11. Mai 2009 08:45 > An: Ingo Scherzinger > Betreff: Re: [PD] signal / message > > env~ outputs RMS values, have a look in Puckettes book: > http://crca.ucsd.edu/~msp/techniques/latest/book-html/node54.html > http://crca.ucsd.edu/~msp/techniques/latest/book-html/node8.html > > Hans r > At 08:14 11/05/2009, you wrote: > >On Sun, 2009-05-10 at 17:29 +0200, Wolfgang J?ger wrote: > > > Hello, > > > > > > What's the best way to convert a signal into a message? > > > There are possibilities like snapshot~ or vsnapshot~, but they are not > > > accurate. The error they produce when you convert into a message and > > > reconvert to a signal (with sig~, line~ or vline~) is clearly audible- > > > > > >Does anybody know if [env~] takes the average of all samples in it's > window? > > > >Ingo > >_______________________________________________ > >Pd-list(a)iem.at mailing list > >UNSUBSCRIBE and account-management -> > >http://lists.puredata.info/listinfo/pd-list

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video multi image detection and red circle
by Jose Luis Santorcuato 11 May '09

11 May '09

Dear friends... i make a tracking controller for video, but in the Gem window always appear the red circle with the cross... i want view and control other videos with tracking... but always de red circle...depth???gemhead -1??? gemwin-1??? i can measure the movement. I use Mac Intel. Thanks a lot Josè -- http://arselectronicachile.blogspot.com/ www.myspace.com/santorcuato

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Re: [PD] signal / message
by Ingo Scherzinger 11 May '09

11 May '09

On Sun, 2009-05-10 at 17:29 +0200, Wolfgang J?ger wrote: > Hello, > > What's the best way to convert a signal into a message? > There are possibilities like snapshot~ or vsnapshot~, but they are not > accurate. The error they produce when you convert into a message and > reconvert to a signal (with sig~, line~ or vline~) is clearly audible- Does anybody know if [env~] takes the average of all samples in it's window? Ingo

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Pd-list May 2009