Pd-list September 2013

pd-list@lists.iem.at

91 participants
121 discussions

small template bug on 64 bit system for building externals for android
by Cyrille Henry 15 Sep '13

15 Sep '13

Hello, i'm currently working for android. when trying to compile pd extern for this platform, I face a small bug on the template makefile v1.0.14 it certainly work great for 32 bit, but on my 64 bit system, i have to change : NDK_TOOLCHAIN=$(wildcard $(NDK_BASE)/toolchains/$(NDK_ABI)*-$(NDK_COMPILER_VERSION)/prebuilt/$(NDK_UNAME)-x86) to NDK_TOOLCHAIN=$(wildcard $(NDK_BASE)/toolchains/$(NDK_ABI)*-$(NDK_COMPILER_VERSION)/prebuilt/$(NDK_UNAME)-x86_64) for now i don't have anything to test, but binary are created. cheers c

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is there a way to turn on or off the filters in pd
by Luca Mani 14 Sep '13

14 Sep '13

Hello, I'm building a channel strip in which there are 2 filters 3 eqs and one compressor. I would like to be able to turn them on or off one by one. Is there any kind of switch in pd which allows me to do that ? Thanks

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pix_mask and glsl incompatibilities?
by David Schaffer 14 Sep '13

14 Sep '13

Hi, I run pd extended ver. 0.43.4 on a macbook pro and I'm noticing something strange when triyng to use the gsls objects and the pix_mask object in the same abstraction: pix_mask won't work. I still have a picture, the console doesn't warn me for anything, but the pix_mask effect doesn't occur anymore, just like it's been bypassed... is there a workaround to this? thanks, David Ps: in my abs, the glsl process affects the alpha channel of a still image. http://www.flickr.com/photos/schafferdavid/ http://audioblog.arteradio.com/David_Schaffer/

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chaining pix_masks
by David Schaffer 14 Sep '13

14 Sep '13

Hi, yet another question: is it possible to chain several pix_mask objects? Thanks D.S http://www.flickr.com/photos/schafferdavid/ http://audioblog.arteradio.com/David_Schaffer/

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Re: [PD] age old multichannel sound card question...
by Marco Donnarumma 14 Sep '13

14 Sep '13

Am 13.09.2013 um 01:34 schrieb peiman khosravi <peimankhosravi(a)gmail.com>: > > I think the RME USB and firewire interfaces don't work on linux > unfortunately. Or at least that's what I was told. > > I guess that should read: the RME interfaces which have both: USB AND FW > ports on the same device. > > While the FireWire doesn't seem to be working on those devices with ffado > yet, the devices can be set to the USB Class Complinant (CC) mode. A bug in > alsa prevented USB2 Class Compliant interfaces to work at all. That has > been fixed since. > > [snip] > > And for the record: > Fireface 400 and Fireface 800 are listed as Full Support on the ffado page: > http://www.ffado.org/?q=devicesupport/list&page=3 > > That's strange. I've heard all ppl using those devices with ffado happy about it. If you look at the discussions on the ffado list there's not much, but apparently everything should work fine. http://www.ffado.org/?q=node/72 http://www.ffado.org/?q=node/73 what happens when you launch the ffado-mixer, does the software find the device and the routing mixer appears? have you compiled the latest ffado from git or svn? maybe can you post the output of ffado-diag? by the way, I use a focusrite saffirePro40 and I'm very happy with it. It's not a cheap one, but the output and input preamp quality is great. U'll need latest ffado 2.1 (lots of bug fixes) and jackd2, + a realtime kernel (low latency works for me by now, but sometimes gives me the chills, so im trying to compile my own rt kernel for mint 15, based on ubuntu 13.04) sorry if you mentioned this already, I arrived on this post a bit late.. cheers, M

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Worse performance with -nogui.
by Mario Mey 14 Sep '13

14 Sep '13

Two issues: First at all, when trying my patch (MEH-SYSTEM) with -nogui option, I was having a "Segment fault"... untill I discovered that the "Robot" FX, from RJDJ was turning DSP on.... and DSP was already on (was turned on with a [loadbang]-[delay 2000]). This crashed Pd. Maybe a bug...? Attempting to save some CPU (-nogui option), I started using the patch and recorded all the sample banks... then, a lot of noisy clicks started to appear. If I mute all the banks, the clicks are there, at low volume but very audible. Then, I realized that that noise is there only with -nogui option. Using GUI, it sounds great. Is this a known issue? Because I expected to have the opposite result... I'm using Pd-Extended 0.43.4, Ubuntu 12.04, Jackd (Jack2?) with 256frames, 2periods, 48000, PulseAudio uninstalled, with a USB soundcard (Encore ENMAB-8CM). It does the same noise with the integrated soundcard. Here is the WIP (it is 0.7 version... but almost 1.0): http://puredata.hurleur.com/viewtopic.php?pid=37430 If I can give you any other information, just ask for it.

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modifying Reduzent's [Solenoiduino] to control 44 solenoids (electro-mechanical piano)
by Epic Jefferson 13 Sep '13

13 Sep '13

To control solenoids with dynamics, I adapted Reduzent's [Solenoiduino] abstraction and arduino sketch to include the TLC5940 functions, which is what the Practical Maker PWM shield is based on. So far, I'm able to control 44 solenoids using custom drivers and 2 stacked PWM shields. This is an excellent alternative if you want to build a relatively cheap electro-mechanical piano setup. The problems i've run into: 1. if 2 or more messages get sent simultaneously, one of them might get dropped (this happens a lot) 2. the handshake does not seem to work on Linux (Ubuntu 11) 3. the original code only supports 16 solenoids This last one is the one that goes over my head, since the code uses that bit twiddling stuff, I can't figure out how to send the appropriate messages to any solenoids past 15. So, I'm a little stuck here, any help? I've attached the modified (and original) Solenoiduino stuff and a short video of what I have so far. http://youtu.be/cb5Oz0Iia-U -- www.epicjefferson.com www.avmachinists.org Puerto Rico based Art Collective/ Non-Profit Org

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age old multichannel sound card question...
by Jaime E Oliver 13 Sep '13

13 Sep '13

Hi Everyone, Can anyone recommend a multichannel sound card that works well under linux. Hoping to have 8 in/out + adat if possible. Do the latest RME cards (fire face UCX, UC, UFX) work under Linux? alsa/ffado? Does anyone use the fireface 800 successfully with ffado? If anyone can recommend good quality for a cheaper price that'd be great too.. J

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bad audio quality if webcam connected
by Csaba Láng 13 Sep '13

13 Sep '13

hi everyone, I have a strange issue with the quality of the audio. If I connect my Logitech C910 via USB and set the input audio to the webcams microphone, the audio quality is veery bad, even during the audio test. If disable incoming audio, the sound is clear again. I use ALSA as jack never happened to be connected correctly. Is there any idea what can it cause? Thanks in advance: Popesz

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is there a way to implement [lop~] with raw filters?
by Alexandre Torres Porres 12 Sep '13

12 Sep '13

Hi there, since it says [lop~] is a "one pole" filter, I was wondering if using objects like [rpole~] or [cpole~] could do the job... but I'm not even close to figure out if yes or not and why... anyone? thanks

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Pd-list September 2013