Pd-list November 2007

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135 participants
250 discussions

[hsl]/[vsl]: unexpected behaviour (bug?)
by Roman Haefeli 28 Nov '07

28 Nov '07

hi while working with on a gop patch, i encountered a weird problem. whenever i instantiated the gop abs in a patch, the scroll bars of the patch window got very tiny and all the objects of the patch moved to the right, until the rightmost object hit the right edge of the window. when i moved the objects away from the right border, all objects shifted again to the right border of the window until the rightmost object hit the border. it took me some time to figure out what was going on. it turned out, that [hsl] and [vsl] were the cause of the problem, respectively what i sent them. if the range is set to the same value for left and right, respectively for top and bottom, and a 'set <somevalue>' message is sent to hsl/vsl, the 'handle' (black bar) disappears and the scroll bars of the patch get very tiny. i assume this is because the 'handle' jumps far out of the window. to trigger it just do: [range 0 0, set 0( | [hsl] and move some object around to trigger the 'jumping to the right' and tiny scrollbars. when you now save the patch now, while the 'handle' disappeared and have a look at the pd-file, you'll see something like this: #X obj -77 118 hsl 128 15 0 0 0 0 empty empty empty -2 -8 0 10 -262144 -1 -1 -2.14748e+09 1; i actually couldn't figure what the last arguments are used for. however, i figured out that the second last argument most often is 0, but after i triggered the 'handle' to disappear, the second last argument is: -2.14748e+09 matju told me, that this is the lowest possible int32 value. i am not quite sure, if it affects anything at all, but somehow i believe, this value isn't supposed to be this big/low. one might ask, what is the meaning of sending 'range 0 0' and 'set 0'. the reason why i sometimes use 'range n n' is because i sometimes abuse a slider as a 'step through' button. the 'set 0' is just a side effect of using netpd-abstractions (they usually initialize the gui object, so that it represents the correct init value). it turned out, that it is actually not a serious problem. i first expected some serious bug (pd.tk?), because i couldn't find a way to avoid this problem for quite some time, because i didn't know the exact reason. now that it is known, it is very easy to workaround. however, i thought it should be reported anyway. roman ___________________________________________________________ Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de

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Building a compressor in PD?
by Vreahli the Audio Bandit 28 Nov '07

28 Nov '07

Heya - I'm just curious - is it even possible to build a compressor in PD without coding it in C? The only way I can think of getting the overall loudness of a signal is by checking audio rate stuff - which won't work with control rate values. Just a curiosity. :)

7 10

[keyboard_layout] for Mac OS X
by Hans-Christoph Steiner 28 Nov '07

28 Nov '07

Hey all, I don't know if this is especially useful, but I ported Fredrik Olofsson's f0.keyboard_layout to Pd. It's current Mac OS X only, but I suppose someone could add support for other platforms. It's compiled universal binary in the attached zip, plus it's in the "hcs" library in Pd-extended starting tomorrow. .hc ------------------------------------------------------------------------ ---- "It is convenient to imagine a power beyond us because that means we don't have to examine our own lives.", from "The Idols of Environmentalism", by Curtis White

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[pd] i turned my wiki into a blog
by hard off 28 Nov '07

28 Nov '07

i think it will work better this way: http://practical-data.wikidot.com/ i will update it whenever something new and fun pops up in the pd world.

1 0

fixed [stat] crasher bug
by Hans-Christoph Steiner 28 Nov '07

28 Nov '07

Hey all, A couple of people ran into the crasher bug with [stat] when trying to test for a non-existent file. I found the bug, it was a typo on my part, I added 2 instead of 1 to a pointer. It's fixed and in CVS, so it should be in tommorow's builds. .hc ------------------------------------------------------------------------ ---- Mistrust authority - promote decentralization. - the hacker ethic

1 0

smoothing: single, double and triple
by Hans-Christoph Steiner 28 Nov '07

28 Nov '07

Hey all, I just made some new mapping objects for smoothing and getting the trend, based on statistical methods (single, double, and triple exponential smoothing). I got the inspiration from Fredrik Olofsson's f0.smooth object for Max/MSP. While they are not the best smoothing algorithms for most sensor data streams, IMHO, they could be useful in certain circumstances. They seem to smooth a lot, and add some latency, but I don't have any hard figures on that stuff. I attached a zip with patches and help files, plus they'll be in Pd- extended builds in the mapping library as of tomorrow. .hc ------------------------------------------------------------------------ ---- Using ReBirth is like trying to play an 808 with a long stick. - David Zicarelli

1 0

problem with [pdp_theorin~]
by Rodrigo Treviño-Frenk 27 Nov '07

27 Nov '07

Hello! I have been testing the PiDiP objects, and found out about pdp_therorin~ (i love the idea of using .ogg video); however, when i try to load a video file, i get a message in the pD terminal that says "pdp_theorin~: could not start decoder" or something similar. I have all my libvorbis and libtheora files installed, i even compiled from source. Does anybody have a clue about this error? the best luck! furenku _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today it's FREE! http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/

1 0

osx universal binaries for externals ?
by Alexandre Quessy 27 Nov '07

27 Nov '07

Hi, On OSX, how can we build universal binaries for externals ? If not possible, both ppc and intel architecture use the .pd_darwin suffix... Thanks, -- Alexandre Quessy http://alexandre.quessy.net http://www.puredata.info/Members/aalex

4 7

get audio IN to pd on windows
by hard off 27 Nov '07

27 Nov '07

4, maybe 8, perhaps even 16 channels of audio...going out of ableton live (or logic, or cubase, or whatever) and into pd, ..in windows ...without much fuss am i dreaming? or does someone know of a way to do this? (on mac, i'd just use soundflower16)

4 3

Re: [PD] About internal delays
by Ypatios Grigoriadis 27 Nov '07

27 Nov '07

On 27/11/2007, Ypatios Grigoriadis <ypatios(a)gmail.com> wrote: > > hi.. > > > > > > and yes, it should stay stable during the whole time. > > > I think this is wrong. Whenever cpu overloads "audiotime" waits. > > > -- > > Ypatios. > > -- Ypatios.

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Pd-list November 2007