Pd-list August 2001

pd-list@lists.iem.at

47 participants
85 discussions

PD including an outlet in the foo2 object?
by Rory Walsh 28 Aug '01

28 Aug '01

Hi list, I am playing around with the foo2 object in the externs folder and I have a question that I can't seem to get an answer to. I need to add an outlet which will output numbers? Basically I have a c code that writes a particular pattern of numbers(floats) to a text file. I have being using qlist to read the data but I thought that if I could just write an object to do this it would be much easier and more efficient. If anybody could rewrite the code to include an outlet which will output whatever comes into the object I would be very appreciative. I don't think it will involve much writing, a few lines I should think? I would really appreciate it! regards, Rory. ____________________________________________________________ Do You Yahoo!? Get your free @yahoo.co.uk address at http://mail.yahoo.co.uk or your free @yahoo.ie address at http://mail.yahoo.ie

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GGEE's sfplay~ with pd 0.34
by Frank Barknecht 28 Aug '01

28 Aug '01

I'm having problems using sfplay~ from ggee-0.21 with pd-0.34. sfwrite~ or sfread~ are OK. But this happens when I try to open a file using sfplay~: [...] /usr/lib/pd/externs/sfplay~.pd_linux: can't load library /usr/lib/pd/externs/sfplay~.pd_linux: /usr/lib/pd/externs/sfplay~.pd_linux: undefined symbol: sf_close sfplay~ 1 64 ... couldn't create /usr/lib/pd/externs/sfplay~.pd_linux: /usr/lib/pd/externs/sfplay~.pd_linux: undefined symbol: sf_close sfplay~ 1 64 ... couldn't create [...] Anybody knows what's wrong here? -- __ __ Frank Barknecht ____ ______ ____ __ trip\ \ / /wire ______ / __// __ /__/ __// // __ \ \/ / __ \\ ___\ / / / ____/ / / / // ____// /\ \\ ___\\____ \ /_/ /_____/ /_/ /_//_____// / \ \\_____\\_____\ /_/ \_\

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Re: delread~
by G.G Karman 28 Aug '01

28 Aug '01

Yes you're right, using two arrays, writing and reading each one alternatively could be a solution i hadn't thought about. But that would mean that the samples i read from the (reading-)array would always be 'one array' later than real time(a delay corresponding to the size of the writing-array). Of course smaller arrays could be used (which i would prefer not to as i want to be able to access for example, fragments within the last 5 seconds), or as you suggested more smaller arrays. I was rather thinking if it could be possible to make delread~ (or some other object or simple patch) behave like the circular queue as described in Curtis Roads (The computer music tutorial,p 433), with the posibility of several taps (reading-pointers) which reading position i could control with (one-)sample precision. This structure would allow to access samples from real time (in fact one sample later than real time) to the time corresponding to the total length of the queue. > ----- Original Message ----- > From: "Miller Puckette" <mpuckett(a)man104-1.ucsd.edu> > To: "Gregorio Garc?a" <ggkarman(a)airtel.net> > Cc: "pd-list" <pd-list(a)iem.kug.ac.at> > Sent: Monday, August 27, 2001 7:54 PM > Subject: Re: [pd] delread~ > > > > Hi, > > I don't think you need do do anything funny with block~. The easiest way > > to proceed might be to maintain a pair of samples and alternately sample > > each one while reading from the other. Alternatively, you can maintain a > > larger collection of samples from more or less recent input. > > > > Yes, you do have to specify the size of the sample in advance, but that > doesn't > > mean you have to use all of it. There are sampler patches in the > > "dsp examples" (under "pure documentation") which might help you forward. > > > > cheers > > Miller > > > > On Sun, Aug 26, 2001 at 04:55:49PM +0200, Gregorio Garc?a wrote: > > > Hi list, > > > > > > Im trying to buid a patch that processes live input. My wish is i could > have > > > some kind of buffer where i could continuously write the input signal > > > (something like a circular qeue?), and arbitrarily read fragments of > sound > > > within that buffer. I thought of delwrite~/ delread~ pairs to implement > > > this, but i would like to be able to specify the position and total > length > > > of the audio fragments i want to read in samples (does this make > sense?). Is > > > the delay amount limited to block size (64 samples? = DSP cycle?) > multiples > > > (64samples, 128 samples, 194 samples, etc...)? > > > > > > Could i use tabsend~/tabreceive~ for this purpose?. What is the usual > way of > > > using tabsend~/tabreceive~ ? (could you point out an example?). What > input > > > paramerters can tabreceive~ handle? > > > > > > Is there a better way for doing this? > > > > > > thnks > > > > > > >

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pd 0.34+test5 eats my cpu
by Frank Barknecht 28 Aug '01

28 Aug '01

Hallo, today I thought I should give 0.34 a try. I downloaded and compiled TEST 5, installed it suid on my linux box and then ran my PDX7 patch (www.fbar.mynetcologne.de) with realtime scheduling. As soon as I started that patch, pd eats up all my cpu resources. I can barley move the mouse to the xterm I started pd from to Ctrl-C it. Now I wonder why 0.34+test5 has such problems with my patch, I did not have them with the same patch under 0.33. Any ideas, -- __ __ Frank Barknecht ____ ______ ____ __ trip\ \ / /wire ______ / __// __ /__/ __// // __ \ \/ / __ \\ ___\ / / / ____/ / / / // ____// /\ \\ ___\\____ \ /_/ /_____/ /_/ /_//_____// / \ \\_____\\_____\ /_/ \_\

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gemlist_switching
by aal hsoe 28 Aug '01

28 Aug '01

hello, i am a passionate gem user, but i`m not a programmer...so i have the following question: i want to route the "gem list" from/to several separators to change the hierachy of the 3dmodels in my patch. i`ve tried it with the spigot object, without success. i`ve also tried it with l2s and l2i (zexy) also without success. the problem is, i dont know what kind of information is running through the gem list and if its possible to use non-gem objects within the gemlist? thanks rainer _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp

1 0

delread~
by Gregorio García 27 Aug '01

27 Aug '01

Hi list, Im trying to buid a patch that processes live input. My wish is i could have some kind of buffer where i could continuously write the input signal (something like a circular qeue?), and arbitrarily read fragments of sound within that buffer. I thought of delwrite~/ delread~ pairs to implement this, but i would like to be able to specify the position and total length of the audio fragments i want to read in samples (does this make sense?). Is the delay amount limited to block size (64 samples? = DSP cycle?) multiples (64samples, 128 samples, 194 samples, etc...)? Could i use tabsend~/tabreceive~ for this purpose?. What is the usual way of using tabsend~/tabreceive~ ? (could you point out an example?). What input paramerters can tabreceive~ handle? Is there a better way for doing this? thnks

3 2

Pd 0.34 test release for irix and linux
by Miller Puckette 27 Aug '01

27 Aug '01

Hi all, having not put out a release for IRIX in some time, I've make Pd 0.34 TEST 4 available for SGI people. This time I managed to compile both for o32 and n32... Also, for anyone wanting to synchronize with me, I've put out Pd 0.34 test 4 for linux in tar.gz form. I'm planning to make some major revisions now, so 0.34 proper may be quite different from this test version... Get em at http://crca.ucsd.edu/~msp/software.html cheers Miller

3 3

Here comes everybody (video controlled with pd)
by Juha Vehviläinen 27 Aug '01

27 Aug '01

Framestein + modular is software for processing images and video controlled with Pure Data. Initial features are: fs.frame The display component. Loads and displays images and video. fs.fx Performs image processing (invert, mosaic, rotate etc) and color adjustment (gamma, contrast etc). fs.copy Copies from one fs.frame to another. Various modes (add/sub/alpha/...) available. fs.text Writes text to fs.frame. What goes on between these objects (abstractions, really) is not video data, but commands to Framestein to do the job. Windows only for now. Free. Download: http://atp.fi/~jusu/framestein01.zip Framestein list: http://groups.yahoo.com/group/framestein NOTE: you need ZEXY-lib with the corrected list2symbol for Framestein to work. Since Johannes is on holiday, either put the command "t_resizebytes(str, n, n+1);" on z_strings.c in function list2symbol_bang before "str[n]=0;" or download zexy.dll for windows from below (i'll pull this off once we get a new release). http://atp.fi/~jusu/zexy.dll juha vehvilÃ¤inen jusu(a)iki.fi

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RV: [PD] Computer music list?
by Gregorio García 25 Aug '01

25 Aug '01

Thanks for everybody's tips, I agree with everybody.... the music-dsp mailing list seems to be what I was looking for. > ----- Original Message ----- > From: Gregorio GarcÃa <ggkarman(a)airtel.net> > To: pd-list <pd-list(a)iem.kug.ac.at> > Sent: Friday, August 24, 2001 2:24 PM > Subject: [PD] Computer music list? > > > > Does anybody know a general computer music list? Im looking for a list > that > > deals with computer synthesis techniques, algorithms, particular > > implementations, etc... with a little in-depth focus. > > > > thnks. > > > > >

1 0

Computer music list?
by Gregorio García 25 Aug '01

25 Aug '01

Does anybody know a general computer music list? Im looking for a list that deals with computer synthesis techniques, algorithms, particular implementations, etc... with a little in-depth focus. thnks.

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Pd-list August 2001