Pd-list February 2003

pd-list@lists.iem.at

127 participants
210 discussions

midi latency
by Johannes Taelman 23 Feb '03

23 Feb '03

Hi all, I'm trying to tune my linux system to lower midi-latency. Seems like "-audiobuf" has an influence on it. It seems I can't get lower than about 20ms round-trip. (I think I posted my midi latency and jitter diagnostic patch a while ago). I'm using the alsa virmidi driver in between pd and my midiports. Should I avoid that? Any hints to reduce latency? Where is the bottleneck? My PC runs linux 2.4.20 with lowlatency and ext3 patches, a recent alsa from cvs, and a recent pd from cvs. In win2k I could only get 25ms round-trip, so Linux is better, but not as much as I hoped for... j#|@

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writesf~: 96kHz/24bit to 44.1k/16bit?
by David McCallum 23 Feb '03

23 Feb '03

I'm using Pd on WinXP with an M-Audio Quattro, ASIO at 96kHz/24Bit. That all seems to work fine. But when I use writesf~ and open the written files in Soundforge they're 44.1kHz/16bit. I wouldn't mind so much about the sampling rate because I could speed it up to 96, but it looks like I lose the bit depth that I was working with. It doesn't look like writesf~ has any options to change the bitrate that it writes at. Is there a way to write 96kHz/24Bit files? Am I missing something? Is there another external (in windows) that can do this? . . David McCallum . Music wants to be free . http://mentalfloss.ca/sintheta/ .

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GOP scaling
by oliver 23 Feb '03

23 Feb '03

hi, list... don't know if this is already known, but "graph-on-parent"-scaling-problem's have been on the list quite a few times and i recently made this discovery: to get the GUI objects in the GOP-abstraction the same way you organized them in your "parent's patch" you have to edit the patch with a text-editor by hand. the trick is that the first line (#N canvas...) and the last line (X# coords ...) got to have the same XY values. (usually they don't do; also because a patch, when saved within pd seems to add 2 pixels in the canvas coordinates if you watch them in a text-editor) so , as an example, if the parent patch looks like: #N canvas 0 0 700 78 10; ..... ..... #X coords 0 0 1 1 700 78 1; it will display the GUI-objects right. hope this wasn't common knowledge (thanks to parasitäre kapazitäten for the hints...) oliver //////////////////////////////////////////////////////// \\\\\\\\\\\\\ http://klingt.org/ground/lift \\\\\\\\\\\\ ///////// http://klingt.org/executive-ensemble ///////// \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

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[OT] multichannel soundcards
by Juha Vehviläinen 23 Feb '03

23 Feb '03

dear list, to keep it short: for multichannel sound in Linux, are there other choices than the RME Hammerfall cards? greetings to all, j.

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bug report: find, dollar signs
by David McCallum 23 Feb '03

23 Feb '03

I just noticed that the "find" option can't deal with dollar signs. So a search for $0 becomes a search for 0. . . David McCallum . Music wants to be free . http://mentalfloss.ca/sintheta/ .

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csound~
by CK 23 Feb '03

23 Feb '03

hi, does anyone work with csound~ and istvan vargas latest version ? I get lot's of <alt><sysrq><e> type of hangs and there are some other problems. Is there an official URL for the latest version ? thanks in advance, 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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timecode reading
by marco zinz 23 Feb '03

23 Feb '03

hello i am currently working on a patch and therefor need to be able to read timecode. this can either be smpte timecode or a different one i.e. one developed by stanton, also audio based, that is much quicker to synchronise and also backwards readable. does anyone have a clue how to analyse the audio stream in order to resolve the timecode information, especially if i don't know the exact structure of the timecode, as it is the case with the stanton timecode. i could provide a download with an example of it. or does anyone have an idea how to generate a timecode that is backwards readable as well as containing absolute time code, and still possible to decode within pd? i'd really appreciate any help. thanks in advance marco

1 0

thanks for ~
by dario aprea 23 Feb '03

23 Feb '03

Thank you all. I'm making some noise by duplicating tilde objects. That's not so uncomfortable. I think I'll keep on doing so till I'll get linux and give up windows. Johannes said Alt+nnn doesn't work in windows, so I suppose it'll be all right in linux, won't it? dario --------------------------------- Yahoo! Cellulari: loghi, suonerie, picture message per il tuo telefonino

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gem for OSX on a pismo pb
by dr. didi bruckmayr 23 Feb '03

23 Feb '03

does gem for OSX run on a pismo powerbook 400 mhz. cpu and video chip fast enough or 5 fps? hurra, didi --

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vst~ and vst_path
by marius schebella 23 Feb '03

23 Feb '03

hi, i have problems with the vst_path variable in the vst~ external. i set the correct path, but pd/vst~ do not recognize it. set VST_PATH="C:\Programme\Steinberg\Cubase Vst\VstPlugins". i also tried different folders, foldernames without spaces, and so on... any idea? marius

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Pd-list February 2003