Pd-list July 2002

pd-list@lists.iem.at

80 participants
129 discussions

Bilge?
by David Sabine 22 Jul '02

22 Jul '02

hello all, can somebody send me the [bilge] object? I have "help-bilge.pd" in my "Extras" folder, but I don't have the actual bilge.dll or bilge.pd? Thanks. Dave S p.s.: OR, if anybody else has a nice external to play the CD player on a Windows machine...I'd appreciate if you could share it with me.

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Acoustic conversions : formulas?
by David Sabine 21 Jul '02

21 Jul '02

Hello all, Can somebody tell me what formula is used in PD to convert MIDI to frequency? (i.e. how does [mtof] REALLY work?) Is it a table? or a formula? By the same token, I'd like the formulae for [ftom], [dbtorms], [rmstodb], [dbtopow], and [powtodb] as well. Regards, Dave Sabine

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ekg/eeg
by Andre Schmidt 21 Jul '02

21 Jul '02

hi, my friend has an old EKG/EEG "siemens sirecust bs11" and he said it has analog&digital outputs... he doesn't have the manuals and i didn't find anything on the net, so we don't know the pins on the 2 sub-d connectors in the back... so if someone knows how to test the pins and how to use them in pd, i would be very pleased on any advise... if it has digital outputs could i just build an [sirecust bs11]sub-d to serial/paraller[pc] cable and use it direct in pd with serial/paraller port external ? thnx -andre ps. does some1 know where i can buy EKG eletroden in germany ?

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music
by matthew nish-lapidus 21 Jul '02

21 Jul '02

hi, up until recently i have used reaktor for all my music/art but i'm not starting to feel limited by what it can do. i've been using pd for a long time for video/graphics installation work (with ben bogart), and have done a little audio work with it. i've been able to write some patches to do a lot of the things i can't do in reaktor, but i haven't been able to efficiently reproduce the simpler things that i use all the time, like a multi sample polyphonic sampler. i'd like to switch entirly to pd eventualy, but i need to figure out how to create these basic building blocks first. so, my actual question is, does anybody have any tips for pathc building? or has anybody else started something like this? i basically want to create a library of abstractions for all the basic components that i need for composition. anyway, if anybody has any tips i'd love some help. m n-l.

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Re: [PD-announce] analogue modelling drumset 'angriff'
by Olaf Matthes 21 Jul '02

21 Jul '02

Frank Barknecht schrieb: > Hi, > sme hat gesagt: // sme wrote: > > i miss the "pulse"-object in the main window. > It's part of maxlib, but you can just delete it and use the > equivalent construction with metro instead. Or just get it from http://www.akustische-kunst.org/puredata/maxlib/ ;-) Olaf PS: please all note that akustische-kunst.de has become akustische-kunst.org. the old domain will continue to work for some time (had problems with the availability of the .de domain)

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writesf~ in stereo
by Chris McCormick 21 Jul '02

21 Jul '02

Hi again, I'm trying to use writesf~ to write to a file, but it seems to only write one channel. The wav file is stereo, but only one channel is being written. I have two mono lines going into the one writesf~ object. is that correct? Is there something i'm missing out on? Regards, Chris. -- ________________________________________ chris(a)mccormick.cx http://www.mccormick.cx http://www.sciencegirlrecords.com

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istgate
by de|ire 21 Jul '02

21 Jul '02

hi, apparently i need istgate to use a particular external. where can i find it? de| -- , variables aren't ___ ___ ___ / / / / / /.--| |.-----constants weren't |__|.----.-----. ,' ,',' ,',' ,' | _ || - -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.0.7 (GNU/Linux) mQGiBDzZwzERBADs1JTlOud9116TR8aKUzgu9Kdm4UWmEnTYTIA1bcvnZH24Nm+x cMf48haT0O5OdajhMwy5vccGQn21J1yBBfx7w5Di7D5Bh1BbO+5uz5YhDBxxRJ0y 4kvEYNCyFz8Sfl1jvG5W980Ax3j2UquqnJlNxBgwZnE16/12bSMPxGRZLwCglpEt K/1u7qAfx4gyO91HSw0a3xkD/0m11rWUNj1cBUeGqGEcjDUWInegpxquMsu7W72I /KD8iKzgttz1m6GEVuN15+y0MxiwmIuuAC74d/moebuPYpawXnaTejzwRPsPZyKn JZ+vf5KNfNE/SgweRcrjPfyVHv/pdE+MTCGtQGF3vf3kTSFrBOLTKKnOxPSpmlNS hFPkA/9rUXsdeJMzdCBVfuPqcu63NdTfGoRQ1KD/ATuULGf3z7tOWe2hBlv2DDhv 2JJMGGTr1mMQjUKdd6+/34RmMsZip3d4lS4VCWFWzvXGgkhyrHFY+QIC8i4RHsPF +rbqXTOjeaRspLSXW+thULz2DBWZPTSDANApZMJ94S+IuF0ufbQgSnVsaWFuIE9s aXZlciA8ZGVsaXJlQGRlbGlyZS5jej6IVwQTEQIAFwUCPNnDMQULBwoDBAMVAwID FgIBAheAAAoJEJq3ySAJ5WfrIJ0An3g9+Ea8S/JQu9lIhLW0mdaA0aI2AJ9mXDUn ODUuTtOfjlNt96y+jjpRTLkBDQQ82cMzEAQAqNQ3y2m6Gj25j16L9pWOBXiFBY8y sRGiWc4JBtsSpk7xuAN9F1lq4W6BbznTdJDIAQe6jmQrJTBYwZCbiuBmFL4o+F45 nvYg6fifw291sO7MDyKpJ2I81cH9fz4YqhFLcsYz2tzAWp4w9CjafNIPoWRwli/I PIC+Tf4QeJyunpsAAwUD/jFFokEPg5cbf0R35TQPzDVnbvMjSiWy4EXtBleObPSK BLi+UApjuXeY8296bYvZPKhk2f27YfPfTEkUlInRuyejIUp9xcmwoH9pEhFca8IP Ot6tDSNNbqpY7EjYjbAytaV4n7GdxVQkXItMrJJZoM1Qb9YlgpF546GkCYfk02EW iEUEGBECAAYFAjzZwzMACgkQmrfJIAnlZ+tF1wCY2pbdg12S/mo9Rltc6IUt1VzA mACglLUDtZ/vCMs9NaG4X4Sdf5cxjHI= =Yf7u -----END PGP PUBLIC KEY BLOCK-----

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MIDI Problem?
by David Sabine 20 Jul '02

20 Jul '02

Hello all, I'm using Windows XP, with PD 0.35 test 29. I have a MOTU 2408mkII using ASIO drivers which is working very well. However, I've noticed that since I installed the MOTU hardware, PD has crashed a few times while I am working with MIDI objects like [noteout]. (I haven't been using midiin.) I am using an onboard audio device (which is MPU-401 compatible) as well as the Microsoft Synth. It seems that one of the following applications, or perhaps a combination of the following, is causing my computer to crash: - PD 0.35 test 29 - ASIO WDM drivers - MOTU 2408mk II Firewire interface (has it's own PCI card) - Microsoft Synth - onboard MPU-401/Game Port - Windows XP any ideas? Regards, Dave Sabine

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[gem] pix_video & webcam
by Bill Sack 20 Jul '02

20 Jul '02

hello all, i know this has been on the list many times, but ... i'm trying to use a cheapo usb webcam with pix_video and have gotten this far: ;;when pix_video loads, the following appears in the terminal: cap: name Logitech USB Camera type 513 channels 1 maxw 352 maxh 288 minw 176 minh 144 picture: brightness 18779 depth 24 palette 4 channel 0 name Camera type 2 flags 0 buffer size 811008, frames 2, offset 0 405504 frame 0 0, format 4, width 176, height 144 ;;so far, so good. when i give it this message - [mode PAL 0 ( ;;it responds GEM: pix_video: Opened video connection ;;when i start rendering: GEM: Start rendering /dev/video0: Device or resource busy ;;which looks suspiciously like a kernel message a la: [root@t0ast root]# /sbin/rmmod usbcore usbcore: Device or resource busy and no, no other programs are using /dev/video0 when this happens. does anyone have a clue as to what's going on here? is there any reason why ANY video device (i.e.: anything that works with xawtv, say) won't work with pix_video? thanks, bill -- _________ Bill Sack wsack(a)acsu.buffalo.edu ----------------------

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FW: [PD] iemlib-filters and Pentium-NaNs
by Bob Colwell 19 Jul '02

19 Jul '02

Folks: The Pentium 4 has two different ways to do floating point: x87, and SSE/SSE2. SSE* has two mode bits: FTZ: flush to zero on underflows (not IEEE compatible) DAZ: treat denormals (input) as zero (not IEEE compatible) Although these two modes are not IEEE compatible, they are quite popular and lead to almost no degradation. x87 has no such modes and denorms are treated as in P6 (fixed through ucode assists), except significantly slower (read: P6 about 100-120 clk, P4 about 1200 clk). More recent version of the Pentium 4 are much faster on these. C code to filter denorms ought to work no differently on P4 than on Pentium III's and earlier. -Bob Colwell ps. I checked this answer directly with the engineer responsible for both P6 and Pentium 4 floating point architecture. I can't read German or I'd check your reference below. For those speaking german, the July-issue of "Keyboards" magazine observed a similar thing in VST plugins etc. on Pentium IV processors. Obviously Intel changed the handling of denormalisation in the newer processors, so that older counter measures against denorm. fail again. Interesting article... ciao, -- Frank Barknecht <barknecht(a)dradio-online.de> -= www.dradio.de =- DeutschlandRadio-Online * Redaktion KÃ¶ln tel 0221 - 345 1471 * fax 0221 - 345 1480

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Pd-list July 2002