Pd-list February 2013

pd-list@lists.iem.at

106 participants
200 discussions

PD 4 Pandora
by dreamer 12 Mar '13

12 Mar '13

I've been trying to compile Puredata for the Pandora handheld. Getting the UI to work with tcl/tk 8.5 was fairly straightforward, although the terminal is filled with: watchdog: signalling pd... Otherwise I'm having a lot of issues with alsa. When selecting alsa as output I get: snd_pcm_hw_params (input): Invalid argument snd_pcm_hw_params (output): Invalid argument In the settings I can select two alsa devices: omap3pandora (hardware) omap3pandora (plugin) Which both fail. When I select portaudio output I get: pd: src/common/pa_front.c:325: Pa_Initialize: Assertion `"PortAudio: compile time and runtime endianness don't match" && (((char *)&nativeOne)[0]) == 0` failed.Pd: signal 6 And it crashes. Are there some configure flags to mitigate these problems? Some more info on the device in question: http://en.wikipedia.org/wiki/Pandora_%28console%29#Pandora_1GHz Any ideas to get this working are welcome :) regards, drmr

2 3

pd-ext .43.4 debian squeezy wrong architecture
by João Pais 11 Mar '13

11 Mar '13

Hi, I was trying to install the -deb package for squeezy i386. But when I open it, the packet installer says "wrong architecture amd64". The same happens (logically) when I try the 64b package. Best, jmmmp

3 6

file format for GEM
by Stephan Elliot Perez 06 Mar '13

06 Mar '13

Greetings, I am just starting to use GEM and am having a problem with video playback using pix_film. The CPU goes through the roof and the video naturally lags. My original video clips were in .MTS (panasonic, 1920 x 1080) format. I then converted them into .mp4 (Codecs: H.264, AAC) using Handbrake and then into .mov (Codecs: MPEG-4 Video) using MPEGstream. Are the codecs the problem or the video quality/file size the problem? What do you suggest I do? Best regards, Stephan

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Re: [PD] wireless audio from Pd to PA system (katja)
by richard duckworth 06 Mar '13

06 Mar '13

Hi Katja one of these would do it - check with Thomann tech support for gain issues (these are Instrument Level input) They should be fine however as active guitar pickups (like heavy style EMG pickups) output quite high levels. These type of wireless systems tend to be very rugged, have excellent sound quality and long battery life - and you'll want these things. http://www.thomann.de/ie/cat.html?gf=wireless_for_guitar_bass&oa=pra Rich Duckworth Lecturer in Music Technology Department of Music House 5 Trinity College Dublin 2 Ireland Tel 353 1 896 1500 "Digital? Is that the thing where they take a good old sine wave and they chop it up into little bits?" --- Rupert Neve ________________________________ Message: 3 Date: Thu, 28 Feb 2013 11:53:43 +0100 From: katja <katjavetter(a)gmail.com> Subject: [PD] wireless audio from Pd to PA system To: pd-list <pd-list(a)iem.at> Message-ID: <CAFY0eapPSKfw+gVaxuTr7exHqLiG+pTdu8Rk6SNTraLiys2Msg(a)mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 For a wearable live performance computer, I am looking into the options of sending wireless audio from Pd to a PA sound system and other listeners. In a first experiment I've tried a Linex FM transmitter. Audio quality is good enough, and FM transmitters do not introduce latency. This option is cheap and flexible, as the signal can be received by simple radio's, which are even built into cell phones and media players. I would need to boost the transmission a bit to make it more reliable. This will of course make the equipment illegal. Even then, the risk that someone else is transmitting a stronger signal on the channel can not be excluded. Another option could be to send audio over Wifi. This would require WLAN to be available, and one extra computer (with audio interface) as a receiver. To avoid extra latency the audio should be sent uncompressed, like [udpsend~] / [udpreceive~] can do it. This has the risk of packet loss and serious dropouts. I've been searching for 2.4 GHz wireless music receivers and found things like this: http://www.sitecom.com/en/wireless-music-streamer/wl-061/p/203. They seem to act like external soundcards for your computer. In Linux though I've never managed to properly connect multiple soundcards with Pd (in OSX it's easy using the Aggregate Device Editor from Audio MIDI Setup). Also I guess these devices introduce huge latency. With audio over bluetooth headsets I've experienced latencies up to a second. Does anyone use a satisfactory method in practice, to send audio from Pd without wires? Thanks, Katja ------------------------------ _______________________________________________ Pd-list mailing list Pd-list(a)iem.at to manage your subscription (including un-subscription) see http://lists.puredata.info/listinfo/pd-list End of Pd-list Digest, Vol 95, Issue 152 ****************************************

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[announce] [pd-fileutils] released, a command-line tool for managing pd files
by s p 05 Mar '13

05 Mar '13

Hi all! I am pleased to announce that I just released the first working version of pd-fileutils (https://github.com/sebpiq/pd-fileutils) which is a node.js package and a command-line tool for fiddling with pd files. Right now, the command-line tool only allows you to render .pd files to SVG, but expect more functionalities in the future (I am open to suggestions). If you know JavaScript and node.js, you can also use the API for scripting operations with your pd files. Right now, it can only parse .pd files to a standard JavaScript object, which you can then manipulate easily with JavaScript. This library is a by-product of the WebPd project ( https://github.com/sebpiq/WebPd), which aims at running Pure Data patches on the browser. It is also a proposal for an alternative file format for Pure Data, based on JSON. There was a discussion about that on pd-dev : http://lists.puredata.info/pipermail/pd-dev/2012-06/018436.html and I would like to start it again ;) Cheers! Sébastien Piquemal PS : there will definitely be bugs, so don't "hesitate" to report them :)

5 12

pd on ios: new app
by hans w. koch 04 Mar '13

04 Mar '13

just stumbled upon this (sorry, if it has been announced already: http://music.columbia.edu/~daniglesia/mobmuplat/ a new way to put pd patches on the i-phone, after the demise of rjdj-sceneplayer. now off for testing hans www.hans-w-koch.net

3 2

completion-plugin in pd-extended
by yvan volochine 04 Mar '13

04 Mar '13

hi Hans! I was wondering if you'd be willing to add completion-plugin[1] to pd-extended and if yes, what would be the steps to do it? =) are you stlil using svn for pd-extended ??? cheers, y [1]https://github.com/completion-plugin -- http://yvanvolochine.com http://soundcloud.com/yvanvolochine http://vimeo.com/yv

6 7

check this out
by Simon Iten 04 Mar '13

04 Mar '13

https://getmyo.com

6 6

pd-l2ork feedback
by András Murányi 03 Mar '13

03 Mar '13

So, I've played around with the last git, here are some things I've noticed: - miXed/toxy is not in pd-l2ork and it's perfectly alrite because some kinds of [widget] work while others not. - [flatgui/popup] is installed by default but it throws an error when clicked on: Invalid command name "pdtk_canvas_mouse". - moving a simple GOP abstraction with a single [mknob] in it takes like 5 minutes (!) on a 2.4GHz dual core when the patch is big. It's fast however when the patch is simple. Undoing the movement is not instant but it is quick (~5sec). - nested GOP subpatches show off their outlines and xlets. -- Murányi András

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measuring entropy of a signal?
by ronni montoya 03 Mar '13

03 Mar '13

Hi , i was wondering if anybody have implemented the shannon entropy function in pd? Do anybody have tried measuring entropy of a signal? cheeers R.

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Pd-list February 2013