what you think about it. If [soundtouch~] is considered a useful addition to
existing Pd methods for pitch shifting, it may be worth the effort to try
and solve the clicks-vs-latency issue. It is not a trivial task though.This
time I'm not promising anything.
Katja
2011/8/21 András Murányi muran...@gmail.com wrote:
That's an easy fix: you can get access to the 64-bit Ubuntu and
the 64-bit OSX boxes of PdLab
Thanks for offering, I'll send you my key.
Katja
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On Fri, Sep 16, 2011 at 6:52 PM, Hans-Christoph Steiner h...@at.or.atwrote:
hey Katja,
I am trying your soundtouch~ on Ubuntu/Maverick. First I tried the
included binary, then I built it from source. Both ways I got this:
soundtouch~.pd_linux: soundtouch~.pd_linux: undefined symbol: _Znaj
announcement. But I expect to report very soon,
with vanilla Pd for 99% working correctly in double precision.
Katja
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in the help patch. I'll change that as well, later.
Katja
On Tue, Sep 20, 2011 at 5:53 AM, Hans-Christoph Steiner h...@at.or.atwrote:
On Sep 19, 2011, at 7:38 PM, katja wrote:
Tried to load [soundtouch~] in vanilla Pd on Debian and indeed the same
error was shown about undefined symbol _Znaj
.
If your scrambler would modulate the modulation frequency continuously, with
a noise signal, speech is still intelligible, but descrambling in the above
described way would no longer be possible, as you can't find a harmonic
recipe from a one sample fourier transform.
Katja
,
you can download Olli Parviainen's SoundStretch utility, which processes
soundfiles in batch mode. See:
http://www.surina.net/soundtouch/
You'll very probably notice the same shivering effect as in
soundtouch~-help.pd. This is inherent to time domain time stretching / pitch
shifting.
Katja
that the latency of your info will also be 3 seconds
then.
Katja
On Mon, Oct 17, 2011 at 11:24 PM, Samuel Burt
composer.samuel.b...@gmail.com wrote:
A friend of mine asked me if I could make some kind of filter that could
provide information about subharmonic frequencies. I wasn't quite sure what
, which could
otherwise spoil analysis results. Such filtering can be done in
frequency domain, using FFT again. Be sure to use 4 times overlap and
Hann windowing before FFT and after IFFT.
Katja
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this is
theoretical digression.
Katja
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to the combination of array size and X-size.
Katja
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.
LoadbangRotterdam #1
Saturday November 5, 2011
15.00 - 18.00
WORM
Boomgaardsstraat 71
Rotterdam, Holland
WORM: http://www.worm.org/
LoadbangRotterdam #1: http://www.worm.org/home/view/event/206
Katja
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portaudio file was reported to be missing. Next time I'll get a
fresh copy of the source and compare.
Katja
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a 0.43-compatible version as soon as possible.
Any help to find a window-related mouse-capturing method, working in
0.42 and 0.43 alike, is very much appreciated.
Katja
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to
[receivecanvas], and even more thanks for providing these useful
classes.
Katja
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.
Katja.
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hacky than my moving radiobuttons. Do
you use it in practice, as GUI elements? It is very heavy on cpu.
Katja
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, particularly on Windows. Thanks for
sharing the idea though, it is inspiring.
Katja
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trying to pick a
polygon's minuscule corner with a mouse.
Katja
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~]-in-an-upsampled-patch' trick. But, like Charles pointed
out, it is not trivial to find an optimum. I agree Pd should better do
this in C.
Katja
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of reviving (parts of)
it, who knows.
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-- Forwarded message --
From: katja katjavet...@gmail.com
Date: Fri, Nov 4, 2011 at 7:06 PM
Subject: Re: [PD] Interruption of audio / Loading sound into array
To: pd-...@iem.at
On Fri, Nov 4, 2011 at 5:21 PM, Mathieu Bouchard ma...@artengine.ca wrote:
I don't find anything
' is there (login, post #5), with
animated pictogram buttons, toggles and xy-controls in a Gem window.
It gives a nice impression of possibilities.
Katja
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[; pd get float-precision rcv-name( sends float-precision $ to
rcv-name (expressed as 8*sizeof(t_float))
[; pd get pd-path rcv-name( sends pd-path path/to/pd to rcv-name
Katja
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On Thu, Nov 17, 2011 at 2:43 AM, Jonathan Wilkes jancs...@yahoo.com wrote:
I made a patch awhile back that added a get method to pd
And considering the set method, which is now implicit like in [; pd
dsp 1(, it would be nice to have:
[; pd samplerate samplerate(
Katja
would then give an error message which you can catch.
For local info you'd have another object, for example [this] for the
window, (like MaxMsp has [thispatcher]).
Katja
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it is! This makes my day. (And I've not even
seen half of it, because pd crashes at the 'edit demo-abstraction',
that's maybe because I patched pd version test5.) Good thing you
bumped this topic.
Katja
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this IEEE 754 Converter if you want to check the rounding of a
single precision float:
http://www.h-schmidt.net/FloatApplet/IEEE754.html
Katja
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.
This bug in [sqrt~] was reported on the list some time ago. It is in
nightly builds of Pd-extended 0.43.1. There is a bug report on the
bugtracker. Consider adding a comment there with the build details.
http://sourceforge.net/tracker/?func=detailaid=3442082group_id=55736atid=478070
Katja
On Thu, Dec 8, 2011 at 1:06 PM, Eduardo Flores Abad
m...@eduardoflores.de wrote:
Hi Katja,
tries to round this way:
100 * (7.1 - 7) / 100 = 0.1
Did you try that, Eduardo? In Pd, you get:
100 * (7.1 - 7) / 100 = 0.099
But:
((100 * 7.1) - (100 * 7)) / 100 = 0.1
Or:
((10 * 7.1
is ignored without
warning. Two more buglets to be reported and fixed...
Katja
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a decent fix. MinGW build
system issues complicate the work, that is why it takes so long.
Katja
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build log it seems there's a problem
with packaging.
Katja
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Hello Patrice,
Can you check if [sqrt~] works in the releases where [bonk~] doesn't
work? [bonk~] uses the same optimized sqrt code, and there has been
something wrong with that recently.
Katja
On Sun, Dec 25, 2011 at 10:26 PM, Patrice Colet colet.patr...@free.fr wrote:
Hello,
I couldn't
=478070).
It is fixed, at least for OSX10.5 i386, where both [sqrt~] and
[bonk~] work in the latest autobuild (20111221). Which builds did you
check?
Katja
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times slower than a laptop, I would say.
Katja
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efficient.
If it makes sense at all.
Katja
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so in circular buffer mode. Not the
simplest of Pd classes, but it's at least worth a try.
Katja
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it is better when they come to the workshop with Pd
installed and tested.
Katja
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tracking or another field of signal analysis? And another
question: does anyone have ideas to improve stability and accuracy of
a signal segment with it's phases forced to zero? It suffers from the
usual boundary effects, which must be reduced to a practical minimum.
Katja
the method is not recognized. Possibly
because the method expects a Symbol argument as well. From the help
patches I can't understand what it really needs. The C-code speaks of
'lsset', loudspeaker set I assume.
Katja
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in vbap-help. So maybe you can replace symbol
'loudspeaker-matrices' from [define_loudspeakers] with symbol
'define_loudspeakers' using some tricks from the list-abs library?
Katja
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-20111221.app/Contents/Resources/extra/vbap/ls_setup
And when you bang [define_loudspeakers]:
vbap: no method for 'loudspeaker-matrices'
But! The file ls_setup is in ggee/other (in svn, that is).
Katja
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objects, it seems to work. That is, it
gives output values, can't verify if they're correct at first glance.
This is in 0.43.
Someone doing a project with this library should make new help patches, really.
Katja
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library. This will be my first. Quite some dsp libs are written in
C, even today. Is there good reason to refrain from C++'s conveniences
for writing classes, and use C instead?
Katja
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administration.
Fortunately I've time to reflect a bit more on the options, this lib
need not be written today or tomorrow. Thanks again for all the
advice.
Katja
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On Wed, Feb 22, 2012 at 1:59 PM, august aug...@alien.mur.at wrote:
Hi Katja,
You might want to have a look at a language called Vala:
https://live.gnome.org/Vala
Thanks for the link, August. Do you happen to use Vala yourself? I'll
definitely take a deeper look into it.
Katja
, these are good signs.
Katja
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well, and that was not because of
all the code typing.
Katja
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.
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it in [slicerec~],
it is a matter of upscaling the principle to more complex
interactions.
Katja
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don't think Pd can influence these routines, except by not using
the adc/dac.
CPU load for adc/dac depends on hardware. Using an external audio interface
reduces the load.
Katja
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CPU load in the
'idle-but-dsp-on' case.
PortAudio functions are apparently statically built into Pd and they
consume very little CPU time.
Katja
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On Wed, Feb 29, 2012 at 9:17 PM, Thomas Grill g...@g.org wrote:
Hi Katja,
maybe i'm chiming in too late, but i would definitely use C++ programming for
whatever i do in the C-world.
It's no problem to make the public API (exported functions) C-style then to
avoid
various hassles
it could be done like this: write a lib in C++ with C++ API, and
additionally provide C wrappers for the API functions. Then it's up to
the application programmer to use the C wrappers or call C++ functions
directly. That seems convenient, apart from other issues as mentioned
by Hans and Mathieu.
Katja
On Sat, Mar 3, 2012 at 6:40 PM, Mathieu Bouchard ma...@artengine.ca wrote:
Le 2012-03-03 à 10:32:00, katja a écrit :
If a function is only called from a single location and the function is
hidden, then the original function may disappear and become embedded into
the wrapper.
Now I'm getting
for pointing to this library, Rich. This is very informative.
Katja
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On Fri, Mar 16, 2012 at 10:35 PM, Pierre Massat pimas...@gmail.com wrote:
Hi Katja,
I confirm this behaviour in windows too. So I understand that the actual
number of samples is the same, the only difference being that they all fit
within the GOP frame when resized by a message, whereas
Hello,
I remember that some time ago, an elaborate project for mixing over TCP/IP
was released, called XmiX. There may be a lot of tricks in it that you can
use. See this announcement on Pd forum:
http://puredata.hurleur.com/sujet-5114-xmix-announce
Katja
On Sat, Apr 7, 2012 at 7:57 PM
that it is somehow possible.
Katja
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.
Katja
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On Mon, Apr 9, 2012 at 1:23 AM, Matteo Sisti Sette
matteosistise...@gmail.com wrote:
On 04/08/2012 04:27 PM, katja wrote:
I've once compiled (vanilla) Pd with the format specifiers changed to
print up to 8 significant digits, and soon found why it is normally
done with 6 digits max. You get
2012/4/9 IOhannes m zmölnig zmoel...@iem.at:
On 04/09/12 12:39, katja wrote:
Doing it better would require a lot of modifications, more than
changing some format specifiers. It's a pity we can't see MaxMsp's
code, the issues seem to be neatly solved there, like:
i haven't looked
, on OSX 10.5 and with Pd 0.43, but with filterview version 0.2
the 'stick to the cursor after mouseup problem' seems to be solved for
mentioned configuration.
Thanks for this wonderful object, Hans and Mike!
Katja
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. Changing the
format in atom_text() did it all, if I remember well. With format
%.14lg, that would make a problem for object boxes in the single
precision case.
Katja
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/ signals. And how about sending over UDP
or TCP?
Katja
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. Krzysztof, do you
think that MaxMsp uses the same rules for printing numbers in boxes?
If so, it could be used as a guideline for Pd as well.
Katja
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2012/4/10 IOhannes m zmölnig zmoel...@iem.at:
On 04/10/12 10:33, katja wrote:
i was talking about pd/pd-gui communication (and keep the number format for
both saving and pd/gui communication the same).
when displaying/updating a table every single number is converted to text
using printf
test where transmission over network is more
specifically tested.
Katja
On Tue, Apr 10, 2012 at 7:05 PM, Jonathan Wilkes jancs...@yahoo.com wrote:
- Original Message -
From: katja katjavet...@gmail.com
To: pd-list@iem.at
Cc:
Sent: Tuesday, April 10, 2012 9:45 AM
Subject: Re: [PD] why
. However, numbers
should not be printed with more characters than originally typed in
the box. If you'd type 4294967297 it would be converted to 4294967296
(in single precision case). But if you typed 0.01, Pd should not print
0.00977648.
Katja
On Wed, Apr 11, 2012 at 10:01 PM, Miller
a lot of
experimentation. Also, the result may be different for each (mic)
preamp because input impedance is not fully standardized.
Katja
On Sat, Apr 21, 2012 at 12:12 AM, Matteo Sisti Sette
matteosistise...@gmail.com wrote:
Hi,
This is OT but I'm sure many of you have used piezo microphones
Great audiovisual composition. One could also spend days or weeks
learning advanced Pd techniques from it. A typical Jonathan Wilkes
patch, I would say.
Katja
On Wed, May 2, 2012 at 7:50 PM, Jonathan Wilkes jancs...@yahoo.com wrote:
Yeah, my default screen-video-capture tool doesn't capture
. But there is no literal bitmask
defined, only a scaling. Not sure if this type punning gives a
problem.
Katja
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On Fri, May 4, 2012 at 10:26 AM, katja katjavet...@gmail.com wrote:
On Fri, May 4, 2012 at 5:14 AM, Hans-Christoph Steiner h...@at.or.at wrote:
Does it does type-punning? Does compilation give warnings about that?
That's my guess.
[blosc~] does type punning indeed, it uses type unsigned
with Tk 8.5's antialiased font! Initially, I feared
that antialiasing was responsible for increased load on Debian, but
disabling GUI updates did not make noticeable difference. It seems
that antialiasing is done rather efficiently, the performance drop
must be somewhere else.
Katja
me a kernel
failure soon as I start sampling. Does anyone know of a fine
performance profiler for GNU/Linux?
Katja
On 5/4/12, Hans-Christoph Steiner h...@at.or.at wrote:
I honestly don't know the cause, and haven't really checked on numbers. I
mostly work on my four year old laptop, and test
Alexandre if he is willing to release the code so it can be ported to
Pd?
Katja
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with a read object, and
I have not worked that out either. Suggestions or comments are
appreciated.
Katja
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Ha, finally a detailed discussion on this topic, I like it. My replies
are inlined.
On Wed, Jun 13, 2012 at 10:27 PM, Matt Barber brbrof...@gmail.com wrote:
Hi, I've been going through the vdelayxw code myself. See comments:
On Wed, Jun 13, 2012 at 12:30 PM, katja katjavet...@gmail.com wrote
for a new focus on
[tabwrite4~], [vtabwrite~] or whatever it's name could be.
Katja
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difficult. I'd
love to give it a try soon but coming weeks I'll be on a computerless
holiday. Anyway I'll try to follow the discussion in the meantime.
Katja
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to an implementation of [tabwrite4~].
Katja
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in my tent, Pd addict I am).
Katja
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been talking
about, but the asymmetry with the names of other objects gives me
pause.
Yeah [poke4~] is apt for a 4 point interpolating signal write object
with index control.
OK, onto the next flight!
Have a good trip!
Katja
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Julian, it is a good idea to first ask P.A. to share the code among a
small group and discuss licence, naming and maintainance matters. I am
still not back home (this mail is typed from a tourist office), but in
one week I will be ready to join in fully.
cheers, Katja
On 6/28/12, Julian Brooks
.
Katja
On Mon, Jul 16, 2012 at 1:26 PM, Julian Brooks jbee...@gmail.com wrote:
Hey all,
Spoke to P.A. who has asked for any interested party to contact him
directly for the source code.
p.a.tremb...@hud.ac.uk
Cheers,
Julian
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of the code should not give me
too much trouble. There's also a graphics class in the package, that's
not for me. It would be great if the port can be a collaboration
effort, HISSTools is quite an elaborate project.
Katja
On Thu, Sep 27, 2012 at 3:11 PM, Julian Brooks jbee...@gmail.com wrote
On Tue, Oct 2, 2012 at 5:05 PM, Aaron Thompson
aaron.thomp...@live.co.uk wrote:
Hi Katja,
Thanks for the reply. That seems to have fixed the problem, thanks!
With regards to using the FIR as a fractional delay filter, i'm assuming the
delta float (which feeds to the coefficient calculations
, using
Skype or similar, and route audio to Pd with Jack or Soundflower.
Katja
On Mon, Oct 29, 2012 at 4:21 AM, Sebastian Valenzuela
svalenzuelamu...@gmail.com wrote:
Hey everyone,
I know this is a longshot, and most likely not the best place to ask this
sort of question, but maybe you can
. Batteries of both are dead now after a
few years.
Katja
On Mon, Oct 29, 2012 at 4:13 PM, Sebastian Valenzuela
svalenzuelamu...@gmail.com wrote:
Hi Katja,
Thank you for your reply. I did find a way to SEND audio to my phone via a
wifi connection. A mac application called Airfoil allowed me
optimization flags as well. Are they somehow conflicting,
producing an undefined result? Not for OSX, apparently. But for debian
something goes wrong. The build system stuff is really over my head,
hopefully someone else has better overview to find the exact cause.
Katja
On 5/6/12, Jamie Bullock
like the 'apt-get-for-Pd-' idea, where external libs could live
decentralized in various repos. This would give developers more autonomy
and a clearer responsability over their libs.
Katja
On Sat, Dec 8, 2012 at 2:09 AM, Hans-Christoph Steiner h...@at.or.atwrote:
Miller introduced those
' platforms.
And the disadvantage that I have to build on all platforms. This poses
a natural limit on my ambitions to publish new projects. Maybe not so
bad after all...
Katja
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don't have a Pd autobuild or SVN setup on my Linux box now, can't
test a modification rightaway. Anyhow, I guess the problem is now
identified. I am sorry about my blunt subject title 'what makes Pd
0.43 so CPU hungry?'. It wasn't even about Pd, but Pd-extended.
Katja
):
https://github.com/lebipbip/le-BipBip
Katja
On Wed, Dec 12, 2012 at 4:37 AM, patrick pured...@11h11.com wrote:
hi,
i was trying to implement this filter in an avr, but i guess it would be
even better in pd. i just need to clean a noisy accelerometer (only 1 axis),
but then i read
denormals, this could probably be replaced by
the PD_BIGORSMALL(). I'll check that.
Katja
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atmospheric pressure at certain height) and sensor noise frequencies.
And you want to see results with accuracy and little delay. In fact it
needs a very sharp minimum-phase filter. Maybe a median filter can
'preprocess' the signal in some way. Anyway it gives a new
perspective.
Katja
On Fri, Dec 14
Cool, with [nbuntil] the workload is even spread over the cores! So
now you can do calculations on long arrays without fear of CPU spikes.
And in turn, audio latency may be set to lower level. Great solution
Roman, thanks for sharing.
Katja
On Sun, Dec 16, 2012 at 10:51 PM, Roman Haefeli reduz
On Mon, Dec 17, 2012 at 1:21 PM, Roman Haefeli reduz...@gmail.com wrote:
...
On Mon, 2012-12-17 at 11:56 +0100, katja wrote:
Cool, with [nbuntil] the workload is even spread over the cores!
I don't think that [nbuntil] will help in making Pd use more than one
core. Since [nbuntil] is just
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