Pd-announce August 2005

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pd 0.39 released
by Miller Puckette 31 Aug '05

31 Aug '05

hi all, Pd version 0.39-0 is up: http://crca.ucsd.edu/~msp/software.html enjoy... Miller

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PDradio: CALL FOR WORKS - ANNOUNCEMENT
by Georg Holzmann 31 Aug '05

31 Aug '05

Dear PD-community! PDradio is a self-regulating internet radio station for the PD-community (and is of course build with PD ;). Upload your PD-related music, vote for songs, listen to the automatic radio moderator ... The link: http://pdradio.iem.at Please feel free to upload your music and participate! We hope you have fun with it, LG Winfried+Georg ------------------------------------------------ PDradio: PD Webradio is a self-regulating internet radio station for the PD-community. Registered users can upload PD-related music and share them with the community. Because we didn't want to compile the radio program all the time we build an automatic radio DJ. All user can vote for a song they would like to hear and the DJ will generate a playlist according to all votes. Additionally there is an automatic radio moderator, who speaks a little bit about the songs (metadata which can be uploaded together with the music) and maybe is joking somtimes ... PD-webradio is running on a Linux Server with Zope/Plone. The audio streaming, speech synthesis, radio-moderator, DJ, ... is implemented in PD and Python for the communication to plone. If you want to listen to the PDradio, vote for songs or you have music related to PD and want to share it - follow the link: http://pdradio.iem.at ------------------------------------------------

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Zhong Shuo | Long March Space, Beijing
by Iain Mott 29 Aug '05

29 Aug '05

Stage 1 of the Zhong Shuo sound installation project by Iain Mott and Ding Jie opened at the Long March Space in Beijing on 20 August. Please visit www.reverberant.com/cw There are links on this page for live audio, images and text Please note, due to some ISP funny business, the IP address of the local streaming server needs to reset on the hour, every hour Beijing time - so if it's not working please try again later. Streaming runs 24H. The site will be updated regularly so please visit again. Next stop Yanchuan County, then Kunming. Will paste a draft technical description at the end which may be of interest to the list - best read after looking at the site. cheers, Iain ________ Iain Mott www.reverberant.com China Mobile: 1352 045 6942 Zhong Shuo - Technical Description A modified telephone in the kiosk and computer interface (both designed and built by Jim Sosnin) enables the computer to record speech and play voice prompts on the receiver earpiece. The interface also connects to the games port of a sound card and produces control voltages in response to MIDI messages from the computer (using a PIC chip) to control the ringer of the phone. Control voltages sent in the opposite direction, from the phone, are converted to MIDI messages by the interface and sent to the input of the games port. These messages allow software on the computer to detect when the receiver is on or off-hook. A second output channel of audio from the computer is connected to a mono amplifier which sends sound to an outdoor speaker at the rear of the pond. The computer at each site uses (will use) the Linux operating system. Miller Puckette's graphical sound language 'Pd' performs audio input and output tasks and a variety of other operations including MIDI processing. My own extensions to Pd written in the C language interface with a database called PostgreSQL. When the receiver is lifted, Pd begins playback to the earpiece channel a prerecorded message repeating the questions in Chinese and prompting the participant to speak after a beep. If the receiver remains off hook Pd begins to record the voice direct to the hard disk. As it records it runs simple 'voice segmentation' routines to determine where phrase-bursts occur and writes this data to the database. At present in Beijing however, this information is not being used, but may be used in the future. Once the receiver is replaced, the recording is stopped and information about the recording, including the file name, date, time and duration is written to the database in special tables corresponding to the local site (ie. the Beijing installation writes this data to the 'Beijing' tables). Recordings are compressed using the 'speex' format. If the recording is less than seven seconds long, it is rejected. If a speaker talks for 11 minutes and 45 seconds (15 seconds less than the maximum length of 10 minutes), Pd sends a warning voice message to the earpiece informing the speaker they have 15 seconds to finish. If the speaker continues to speak for more than 15 seconds a second message informs the them that the recording has finished and to please hang up the receiver. All recordings longer than 7 seconds are acknowledged by a voice message played over the garden speaker. At all times, recorded story files are selected, edited and played back by the local computer in an interwoven fashion (the volume of this playback is however lowered slightly during recording to minimise leakage of other recordings). Selection and playback is performed by an extension to Pd that attempts to fill a particular length of time with edited stories. This is currently set to 15 minutes and the number of stories/voices it plays back 'simultaneously' in interwoven or cross-faded form is set to 3. Stories are fragmented into semi-random chunks, usually around 10-15 seconds in length and are played in their original temporal sequence. These fragment are given additional 'lead-in' and 'lead-out' durations which are sounded during crossfades and allow the listener to reacquaint themselves to a given speaker returning to his or her story. The playback process begins playing a given story, as the end of the first fragment approaches, it begins to crossfade the voice with that of a new speaker. It then does the same with a third voice (and so on if more that 3 simultaneous speakers has been specified). This continues until a story is exhausted whereupon a new story is added to the queue. Once the 15 minutes of stories has been played, the entire process begins again. As this project develops and new installations are created, the playback process will select stories from all sites established. This will be done with an even distribution of sites in the resulting playback. Each installation will have its own computer and the system on each will be almost identical. The Beijing machine is slightly different in that it streams its audio output (the edited stories and not the voice prompts) to the Internet. These streams can be accessed at www.reverberant.com/cw. Streaming runs for 24 hours a day at present, but in future there will be some downtime as file transfers take place between installations. Streaming is achieved with the 'shoutcast~' Pd external which is configured to send an MP3 stream to a local (on the Beijing machine) 'Icecast' server. The signal from this is then relayed to a commercial 'Shoutcast' service to enable a broader public access (more simultaneous connections). The other difference with the Beijing machine is that it will act to initiate synchronisation of content between installations. As audio material, and database material associated with it, is shared between the machines, the Beijing machine will initiate a process of first collecting data from each machine, then redistributing to other machines that need it. This will be performed at night, once daily. Synchronisation is achieved using a variety of 'shell' scripts but principally the efficient Linux data transfer tool 'rsync' over a secure network connection (ssh).

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Pd 0.39 test 7 released
by Miller Puckette 25 Aug '05

25 Aug '05

Hi all, Pd 0.37 test 7 is out on http://www-crca.ucsd.edu/~msp/software.html (Previous was test 5; test 6 has been skipped.) This should fix the most urgent problems in test5... cheers Miller

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[Burning Man] Come play the Improbable Orchestra!
by Josh Steiner 24 Aug '05

24 Aug '05

We have updated our site with a little map showing where to find us and IO this year: http://improbableorchestra.com/ The Improbable Orchestra (IO) is an interactive sound installation (developed in PD and running on linux) that allows four participants to jam, remix, and reshape music in realtime. IO's easy to use control surface and loop-based song structure ensure that even those with no musical training will be able to create dynamic, interesting sounds in a variety of musical styles. Check out the videos and pictures to get a better idea what its all about: http://improbableorchestra.com/video.shtml http://improbableorchestra.com/galleryv25.shtml Meet the IO Crew! Come join us for Wine and Cheese @ 2pm on Friday at the IO site. Bring wine, cheese, beer, whatever! -- ________________________________________________________________ tasty electronic music vittles -- bluevitriol.com interactive music machine -- improbableorchestra.com blogging the vitriol -- vitriolix.com

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Pd 0.39 test 6 (2 bug fixes)
by Miller Puckette 22 Aug '05

22 Aug '05

hi all, 2 bug gfixes later, Pd 0.39 test 6 is available on cvs and (source and Mac so far; Windows will have to wait until I get to a Gates machine) on http://crca.ucsd.edu/~msp/software.html ... this fixes the "NB:" messages from samplerate (although it doesn't go further to report block sizes or call back on DSP resorts yet) and also fixes a bug that caused streams of TK messages when updating data on invisible windows. cheers Miller

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Pd 0.39 test 5 released
by Miller Puckette 21 Aug '05

21 Aug '05

Hi all, Pd 0.39 test 5 is out. Main changes are better protection against losing edited files and many small bug fixes. I'm hoping to add no more features, only fix bugs, and get the "real" 0.39 out in a week or so. http://www-crca.ucsd.edu/~msp/software.html cheers Miller

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prutalo druto
by d.lj 19 Aug '05

19 Aug '05

hyall for those who care, we'll hold another meeting of the berlin-realtime-xdv-bla subcommunity next monday 22nd Aug 2005, 2000 CET at schloss falckenstein, falckensteinstr. 29, berlin kreuzberg feel free to drop by, bring (drinks | coins | your computer | pets | friends) and upload some synths to the shared server or some words to the talkstream. https://xdv.org/cgi-bin/twiki/view/Xdv/PrutalDruth hope to see you there bst, opt -- x d v � 0 R g GPG-key at http://xdv.org/~jdl/jdl.pub.asc

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5 new objects for analysis
by Ed Kelly 16 Aug '05

16 Aug '05

...have been uploaded to the CVS repository. co externals/ekext Ed -> --> ----> -------> ------------> --------------------> r3search + praktik EK5perimenz ___________________________________________________________ To help you stay safe and secure online, we've developed the all new Yahoo! Security Centre. http://uk.security.yahoo.com

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partconv~ 0.2
by Ben Saylor 13 Aug '05

13 Aug '05

partconv~ is an external that implements partitioned fast convolution, suitable for convolving input signals with long impulse responses for reverbs, etc. This release offers much improved performance, as well as independence of the partition size and your patch's blocksize. It includes Altivec code from Chris Clepper. There's also some SSE 1 code that produces almost correct results but doesn't seem to improve performance. If you are familiar with SSE and want to have a go at writing an SSE version, please do! partconv~ requires FFTW3. (http://fftw.org) Download here: http://puredata.org/Members/bensaylor/partconv~-0.2.tar.gz/view - Ben

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Pd-announce August 2005