Pd-list January 2002

pd-list@lists.iem.at

83 participants
162 discussions

questions
by Listas 06 Jan '02

06 Jan '02

Dear list, I am new to PD, and I would like to make some questions, if possible. I've read through the manual that came with the package, but it isn't yet complete, so I couldn't find all the answers. Is there any reference file for the objects env~, loadbang, switch~, block~? In the file phasor~.pd(reference folder) the object sig~ is used with the parameter "890". What is the function of this value? In the objects line, line~ what is the funcion of the right-side input? Is there any way to clean the command window? Does PD work with Suse? I haven't tested audio input yet, because I don't have any external devices connected. Is there any pre-made patch that might test it? I can only use the internal sources (wave or cd) Is there any way of simulating the input of midi commands without having an external device? Is it possible to run realtime synthesis with csound in pd? (like it is possible now with max) In my laptop (compaq presario 700ea, windows xp) I use an external mouse. But this seems to (sooner or later) make the message "audio I/O stuck... closing audio" appear, and the only way to hear sound is reinitializing the program. When the touchpad is used, that problem doesn't happen. I tried -noadc to make it lighter, but it just delays the problem. Next I will try with -nomidiin, but I think it won't be a definite sollution (and for now I don't need inputs yet). Did anybody had that kind of problems so far? Thanks, JoÃ£o Miguel Pais

4 5

sfplay bug?
by Andrew (Andy) W. Schmeder 06 Jan '02

06 Jan '02

Hi all. I found the following bug in sfplay (after a couple hours of frustration); If you send [sfplay] a 'close' message when there is no file open, then it will ignore the next 'open' message. andy

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OSS working, no full duplex in PD
by Ben Bogart - FMPM/F1999 05 Jan '02

05 Jan '02

Well I'm finally back from the ALSA mailinglist. (I have since given up and managed to get OSS working) So for the first time I get audio output. now I'm having a problem with PD running in full dulpex. I get the following message when I start: /dev/dsp (readonly): Device or resource busy this happens when run as root as well as a normal user. (so its not permissions) I can do audio out in this case but no audio in. If in run pd -nodac I get audio in and no audio out. my OSS sndstat is: Card config: Ensoniq AudioPCI 97 at 0xe000 irq 10 Audio devices: 0: Sound Blaster PCI128 (DUPLEX) 1: Sound Blaster PCI128 (playback only) Synth devices: Midi devices: 0: AudioPCI97 Timers: 0: System clock Mixers: 0: AudioPCI 97 (STAC9708) I see here that audio device 0 is "duplex" and 1 is only for playback. Is there a way I can force PD to use the first device? (assuming it's stuck in playback mode because its using the second device. (might have to do with modules.conf settings?) Thanks all, B. Bogart ---------

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Fw: [PD] questions
by Joao M Pais 05 Jan '02

05 Jan '02

> > Is there any way to clean the command window? > > If you start Pd with '... &', you get full control over terminal window. > I'm sorry, but I didn't understood. Can you give me an example of the command line? > > I haven't tested audio input yet, because I don't have any external devices > > connected. Is there any pre-made patch that might test it? I can only use > > the internal sources (wave or cd) > > Help/Test Audio and MIDI. > What I meant was if I could test the input into the program from an internal source (like cd or wave out from media player). The question was how to connect both ends. Joao M Pais >

2 1

[announce] externals releases
by Yves Degoyon 05 Jan '02

05 Jan '02

hi all, i've put new objects on my site ( http://ydegoyon.free.fr ) among which : samplebox~ : a sample player with variation speed ( using 4 points interpolation ). the reason for this one is to get rid of table-name problems ( $0-table,.... ) and also to be faster because no graphic has to be updated. stksitar~/stkdrone~ : indian music synthesis inspired by Perry R. Cook's ragamatic. this requires to install libSTK than you can get @ http://www-ccrma.stanford.edu/software/stk/ some more synthesis might be done with this library but i've only found these ones interesting. i'm not too much pro-synthesis. some bugs have been fixed in sonograph~ as well. cheers, and a happy new year 2002 Yves/

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Re: Fw: [PD] questions
by Michal Seta 04 Jan '02

04 Jan '02

> > If you start Pd with '... &', you get full control over > terminal window. > > > I'm sorry, but I didn't understood. Can you give me an example > of the > command line? this should work: pd & if you add any switches: pd -alsa -r & (ps. I just realized, after reading the next question, that you must be on the OTHER os. I have no idea if the above examples will work in THAT os). > > > What I meant was if I could test the input into the program from an > internal > source (like cd or wave out from media player). The question > was how to > connect both ends. you can test a CD. Put the CD in, press "play" and make sure your sound driver preferences are set to be ready to "record" from the CD output (usually there's a check box for that) and this way you should be able to catch the signal with [adc~]. However, that's not the same as using an external audio source (line-in); on some systems the CD trick will work but not line-in or mic-in or whatever. But on the OS I assume you're using you shouldn't have any problems with that. to play .wav files within PD you can use arrays with [tabread4~], [tabread~], [tabplay~] or simply with [sfplay~] or [sfread~] if you have ggee (I believe). HTH ./MiS

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multichannel output
by Erasmus Zipfel 04 Jan '02

04 Jan '02

My problem is to get four analog independent audio-stream channels: I plan to create a terrible quadro sample with csound, process it by pd and output the result to 4 loudspeakers. The last step (out of my Linux-box) is unclear to me: how can I transform the data to real 4 channel analog sound. Is it doable with two eg. SB cards ? There are roumors some PCI128 cards support 4 channel output ( has anybody got this working ) ? Or do I have to spend $$$ on a RME-Hammerfall-AEB4-O combo. Even in the last case which sounds most elegant I am not sure which drivers or pd settings are needed. Thanks for any help. E.Zipfel -- Erasmus Zipfel Wakenitzmauer 1 D-23552 Luebeck, Germany tel. 0451 76147

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Re: [PD] multichannel output
by vanDongen/Gilcher 04 Jan '02

04 Jan '02

>Or do I have to spend $$$ on a RME-Hammerfall-AEB4-O combo. > >Even in the last case which sounds most elegant I am not sure which >drivers or pd settings are needed. Definitely use alsa drivers. Check the www.alsa-project.org page to see which cards are supported. I use a RME digi 96/8 which gives you 8 channel output. There are other multichannel cards that work. Ask on the alsa mailing list about other peoples experiences before buying! Some cards are easier to set up than others. I once tried to set up a box with 3 SB 128's, I got 6 channel input, but could use only one card for output without distortion. If sync between channels is important you need to get a single card that does 4 channels anyway. Or the expensive cards that allow external sync and a master clock generator, in which case a hamerfall would be cheaper. Hope this helps Gerard

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sonypi
by CK 03 Jan '02

03 Jan '02

hi, I just put a little external together that allows input from the jogdial device present on most (all?) sony laptops (desktops?). It's ugly, definitely not efficient, needs a lot of cleanup, it's basically just some changes to Josephs joystick thingie - but none of the above is his fault - just mine. anyway it basically works if anyone's interested drop me a line. regards, 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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Gem: ati mach64 with dri working
by rat＠telecoma.net 03 Jan '02

03 Jan '02

hi, i compiled today successfully the ati mach64 dri branch of dri.sourceforge.net . for fellows who have the same chip (mostly on notebooks) i put together the steps which brought me to success at http//people.telecoma.net/rat/mach64/mach64dri.txt its very rough written, and its inevitable to read also the dri compilation guide at dri.sourceforge.net section documentation. i wrote the rough guide because there are some obsolete steps at the dri documentation and a few additional. simply compare the steps. maybe some of them are not obsoltete for you ... be careful and of course no guaranty :-) glxgears give me now 289 fps instead of 178 (compaq armada e500 pentium 800) unfortunately Gem still gives the following errors when i create a gemwin: error: GEM: Unable to create single buffer window error: GEM: Error creating const context error: GEM: A serious error occured creating const Context error: GEM: Do not continue! compiling Gen again pointing at the new /usr/X11R6-DRI/libs did not help. still i get also some errors in the XFree86.0.log but maybe one can discuss this later when a few people tried it out. cheers erich

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Pd-list January 2002