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461 discussions

Surround Sound Preamp and Electronic Crossover

by Alan Bromborsky

I am looking for an all in one linux/alsa (ubuntu for now) media solution. So far I am using kodi to - 1 - Watch TV (MythTV backend) 2 - Play video files 3 - Play music files 4 - Play CD's and DVD's 5 - Play commercial Blu Ray disks (MakeMKV + kodi makemkv plugin) 6 - Browse Internet (Firefox + Chromium + kodi advanced launcher plugin) 7 - Steaming video from internet (Amazon Prime Instant Video + kodo plugin for Amazon Prime) The one thing I cannot do from within kodi yet is play my heritage analog sources (turntable and open reel tape deck). I can play them using ecasound and the line input of my Xonar D2 sound card. Currently my audio output is sent (hdmi) to a surround sound preamp (Emotiva UMC-200) and then to a 5.1 speaker system. I wish to replace the preamp with appropriate software running on linux and my Xonar D2 sound card. The reason for this is twofold. 1 - The hdmi audio stream uses lossy compression for anything more that two channel sound and I wish to avoid this. 2 - I wish to implement a bi-amplified electronic crossover for my main speakers (the sound card has 7.1 channels so there are enough channels for a 5.1 channel system with the bi-amplification) using software and my sound card. The two problems I have are - 1 - What appropriate software is there to implement the surround sound preamp and electronic crossover (I would greatly prefer not to use pulseaudio, only alsa and other existing linux applications). 2 - Kodi has no options to redirect the output audio stream so that the surround sound preamp and electronic crossover would have to be implemented as a virtual alsa sound card unless one of you can think of another option. Any suggestions and links would be greatly appreciated.

8 years, 7 months

linuxaudio.org updates 2015-08-26

by Jeremy Jongepier

Dear all, I'd like to install updated packages on the linuxaudio.org server today. I'll start around 14:00 CET. If there are any compelling reasons against updating today then please let me know! Best, Jeremy

8 years, 7 months

ANN: Upcoming Fall DISIS Event

by Ivica Ico Bukvic

Apologies for x-posting... The School of Performing Arts and the Institute for Creativity, Arts, and Technology at Virginia Tech are pleased to announce DISIS^3 (Digital Interactive Sound & Intermedia Studio) Event Monday, December 1, 2014 7:30 pm Cube, Moss Arts Center free and open to the public Featuring computer music by Virginia Tech faculty and students, guest violinist Sarah Plum, guest composer Elizabeth Hoffman, soprano Lee Heuermann and trombonist Jay Crone, the Linux Laptop Orchestra (L2Ork), animator Tamar Petersen, and a telematic performance with faculty and students at the University of Virginia, presented with the 128 speaker 3D surround sound system in the Cube of the Moss Arts Center. Event poster: http://disis.icat.vt.edu/images/main/events/141201_poster.jpg ----- The Cascades (2014), for multichannel computer music Eric Lyon Between (2013, revised 2014), for laptop orchestra and saxophone Ivica Ico Bukvic Brock Allen, saxophone Linux Laptop Orchestra (L2Ork): Brock Allen Frehiwot Almente Cody Cahoon Rachel Gertler Deborah Goldeen Brandon Hale Christian Kurmel Paige Lopynski Peter Nelson Jocelyn Roman Jacob Stenzel Omavi Walker Ivica Ico Bukvic, director Half-Life (2009), for laptop orchestra and narrator Ivica Ico Bukvic Colleen Beard, narrator L2Ork Song Without Words #1 (2014), for improvising singer, computer processing, and laptop orchestra Eric Lyon Lee Heuermann, soprano Eric Lyon, computer processing L2Ork Intermission Il Prete Rosso, for amplified violin, motion sensor, interactive computer effects, and multichannel audio Charles Nichols Sarah Plum, violin Charles Nichols, computer Handshake Improvisation, for telematic improvisation University of Virginia: Lisa Cella, flute Matthew Burtner, sax Rachel Trapp, horn Jeremy Muller, percussion Virginia Tech: Sarah Plum, violin Charles Nichols, electric violin Brock Allen, Ivica Ico Bukvic, and Christian Kurmel, L2Ork Tamar Petersen, video Troglodyte (2014) for computer, Leap Motion, and processed voice Tanner Upthegrove Tanner Upthegrove, Leap Motion and computer Thirteen Ways to Leave Your Hexachord, for trombone and multi-channel electroacoustic sound, and accompanying video Elizabeth Hoffman Jay Crone, trombone Best, -- Ivica Ico Bukvic, D.M.A. Associate Professor Computer Music ICAT Senior Fellow DISIS, L2Ork Virginia Tech School of Performing Arts – 0141 Blacksburg, VA 24061 (540) 231-6139 ico(a)vt.edu www.performingarts.vt.edu disis.music.vt.edu l2ork.music.vt.edu

9 years, 4 months

Processing Tivo audio

by Alan Bromborsky

I have a Tivo and I wish to play the AC3 5.1 output (spdif/toslink) through my computer (KXStudio) and sound card (Xonar D2). The sound card has a spdif/toslink input (I can play digital stereo from a cd that I input into the toslink using VLC). I need to know how to convert the digital AC3 from the Tivo to a 6 channel digital wav streams and send those streams to the sound card. If possible I am looking for an example from someone who has done this processing or part of this processing before. Otherwise, I am looking for suggestions for the best way to implement this. Can I only use alsa or gstreamer or a combination of the two or ffmpeg or something else. I am not sure where to start. I am trying to turn my HTPC into a surround sound preamp. XBMC can handle playing video files. VLC can handle (in addition to files) cd's, dvd's, and bluray's. In think I can handle analog inputs (turntable and tapes) since the data streams are not encoded, but I don't know what to do about AC3 from the Tivo.

9 years, 6 months

ANN: 2014 Spring DISIS event

by Ivica Ico Bukvic

Apologies for cross-posting... With great pleasure I am pleased to announce DISIS spring event of 2014. As part of the ICAT Day, VT Institute for Creativity, Arts and Technology (ICAT) and School of Performing Arts' Digital Interactive Sound and Intermedia Studio (DISIS) presents its Spring Showcase, a part of the "Digital iD" performance series featuring an evening of multisensory performances that fit no preexisting form or template. The event will feature the Kandinsky Trio and guest artist Chris McCormick, Virginia Tech faculty artists Ivica Ico Bukvic, Lee Heuermann, Eric Lyon, and Charles Nichols, Virginia Tech's Linux Laptop Orchestra (L2Ork), and students engaged in the DISIS and Cinema curricula. Also on the concert is a performance of Terry Riley's "In C," played telematically between musicians at Virginia Tech and Stanford University. Using JackTrip software, the two schools will stream audio across the continent, allowing the distributed musicians to perform together in real time. "Digital iD" offers an exploration of synergies among music, technology, arts, gesture, collaboration, interactivity, and ultimately community. The event is free and open to the public. For additional info: DISIS Event Page http://disis.icat.vt.edu/main/events/140505.php Facebook Event Page https://www.facebook.com/events/215198612022428/ Complete ICAT Day Schedule of Events http://www.icat.vt.edu/content/icat-day-0 Best wishes, -- Ivica Ico Bukvic, D.M.A. Associate Professor DISIS, L2Ork, ICAT Virginia Tech School of Performing Arts - 0141 Blacksburg, VA 24061 (540) 231-6139 ico(a)vt.edu disis.music.vt.edu l2ork.music.vt.edu

9 years, 11 months

ANN: Upcoming patching circle at Virginia Tech featuring Chris McCormick and DroidParty

by Ivica Ico Bukvic

Apologies for cross-posting, I am pleased to announce our inaugural Pure-Data/Pd-L2Ork patching circle at Virginia Tech featuring Chris McCormick. Virginia Tech Linux Laptop Orchestra (L2Ork), Institute for Creativity, Arts, and Technology (ICAT), and Technology-enhanced Learning and Online Strategies (TLOS) Present: USING ANDROID DEVICES AND PURE-DATA TO MAKE INTERACTIVE MUSIC Featuring Chris McCormick DATE: Tuesday May 6, 2014 TIME: 300‐530pm PLACE: Innovation Space Torgersen 1120 ADMISSION: FREE An ICAT IMPACT studio‐sponsored hackathon featuring Chris McCormick, the author of the DroidParty free open source software based on Pure‐Data that is also fully compatible with Virginia Tech Linux Laptop Orchestra’s Pd‐L2Ork free open‐source visual multimedia programming environment. DroidParty is designed to convert Android devices into programmable surfaces for audio improvisation and performance. The workshop will cover: * Introduction to DroidParty * Introduction to Pure‐Data and Pd‐L2Ork * Installing and programming your own Android‐based instrument * Jamming using Android devices * No prior experience necessary The event is free and open to everyone. The seating is limited to 25 and will be issued on first‐come basis. To reserve a seat email Dr. Ivica Ico Bukvic at ico(a)vt.edu. Please bring your own laptop and an Android device. For additional info visit http://droidparty.net Please see attached poster for more info. Best wishes, -- Ivica Ico Bukvic, D.M.A. Associate Professor DISIS, L2Ork, ICAT Virginia Tech School of Performing Arts - 0141 Blacksburg, VA 24061 (540) 231-6139 ico(a)vt.edu disis.music.vt.edu l2ork.music.vt.edu

9 years, 11 months

ANN: New Pd-L2Ork x86_64 and Raspberry Pi 20140319 release candidate

by Ivica Ico Bukvic

Apologies for x-posting. It is my great pleasure to announce immediate availability of the latest Pd-L2Ork, its K12 module, as well as the latest version of Pd-L2Ork for the Raspberry Pi platform that includes comprehensive set of objects for sensing, including GPIO with pulse-width-modulation support, and analog sensor monitoring support (via MCP3008 A/D chip and SPI module). In addition to a slew of bug-fixes and improvements, pd-l2ork's structures have seen a significant overhaul (thanks to contributions from Jonathan Wilkes and others) now supporting a majority of the SVG spec and allowing for some powerful manipulations of structs inside pd patches. Please note that the structs are still under development, so some instabilities remain. Other notable Changelog Highlights for this release include: *new drawimage and drawsprite structs *improved classinfo, canvasinfo, and pdinfo objects *proper queuing for all iemgui objects and other improvements *New preferences dialog *New customizable arrays and jump-on-click ability *UI themes *Improved sanity checks for graph-on-parent patches *over a hundred of other bug fixes and improvements For a complete list of changes please consult the attached git-extracted changelog. The new release is accompanied by a comprehensive documentation on how to connect RPi to the computer as well as run and configure Pd-L2Ork (and its K12 module) for operation on RPi. In addition, as part of this release, the regular Pd-L2Ork install instructions have been also streamlined to make them easier to navigate. For those in Virginia Tech area, the new release candidate will be showcased at the upcoming Institute for Creativity, Arts, and Technology community meeting this Friday 830-930am in ICAT Sandbox. For more info visit: http://l2ork.music.vt.edu/main/?page_id=56 (x86_64 version with updated how-to) http://l2ork.music.vt.edu/main/?page_id=2288 (Raspberry Pi version download and how-to) Obligatory screenshots: http://l2ork.music.vt.edu/main/?page_id=2554 ABOUT L2Ork A contemporary intermedia ensemble, L2Ork, thrives upon the quintessential form of collaboration found in the western classical orchestra and its cross-pollination with increasingly accessible human-computer interaction technologies for the purpose of exploring expressive power of gesture, communal interaction, discipline-agnostic environment, and the multidimensionality of arts. In addition to furthering the artistic exploration of the newfound genre, the ensemble's particular focus is on integration of Taiji (Tai Chi) choreography into its performance practice as well as its philosophy. Founded by Dr. Ivica Ico Bukvic in May 2009, and since 2014 co-directed with Dr. Charles Nichols, L2Ork is a part of the interdisciplinary initiative by the Virginia Tech Digital Interactive Sound & Intermedia Studio (DISIS) and the signature initiative of the newfound Institute for Creativity, Arts, and Technology (ICAT). As the world's first Linux-based laptop orchestra L2Ork offers optimal infrastructure for creative research at minimal cost. By providing a seamless integration of arts and sciences it is in part designed to bridge the gap between STEM (Science, Technology, Engineering, Math) and the Arts, with particular focus on K-12 (Kindergarten to 12th grade) education. http://l2ork.music.vt.edu http://www.facebook.com/L2Ork ABOUT Pd-L2Ork Pd-L2Ork is a Linux-centric fork of the legendary Pure-Data. With over three years of development and 700 new features, bug-fixes, and improvements, its focus is primarily on the laptop orchestra environment, and more specifically L2Ork setup. In 2012 Pd-L2Ork introduced unique K-12 educational module, offering GUI-centric granular approach to learning Pd/Max-like programming environments using a collection of abstractions geared towards K-12 students. Most recently, Pd-L2Ork is also supporting Raspberry Pi platform, paving way towards sub-$100 laptop orchestra instruments. QUESTIONS & INQUIRIES http://l2ork.music.vt.edu/main/?page_id=35 Best wishes, Ivica Ico Bukvic, D.M.A. Composition, Music Technology Director, DISIS Interactive Sound & Intermedia Studio Director, L2Ork Linux Laptop Orchestra Head, ICAT IMPACT Studio Virginia Tech Dept. of Music - 0240 Blacksburg, VA 24061 (540) 231-6139 (540) 231-5034 (fax) ico(a)vt.edu http://www.music.vt.edu/faculty/bukvic/

10 years, 1 month

Tango Studio Debian 2.1~rc1

by Jof Thibaut

After one year of developpement, we're glad to announce the availability of Tango Studio 2.1 Live ISOs. This new version is based on Debian Wheezy 7.2 and contains a collection of the best open-source applications available for audio creation. Thanks to all who helped with making up this news ISOs! (especially Lionel and those who tested the beta ISOs and reporting bugs) d°_°b Initial Release 2.1~rc1 d°_°b ISOs: * Live DVD for try or install the distribution * Graphical debian installer included * Only english language available on live mode Kernel: * 3.2.51-realtime * i386 ISO use a realtime PAE kernel Desktop Environment: * MATE 1.4.2 (fork of GNOME 2) + Tango Studio Desktop Base Audio: * Only ALSA and JACK2 are installed * JACK2 is configured to be used directly in realtime mode with Ladish or Qjackctl * A loopback soundcard (snd-aloop module) is actived by default * PATH for all plugins have been added to the bash Applications: * More than one hundred Audio applications and plugins are installed * Multiarch support is actived for ISO amd64 Warning: The ISOs contains packages non-free. The packages non-free are restricted by copyright or legal issues in some countries. See http://www.debian.org/legal/licenses/ for more information. Note: The ISOs can be used for the stable production but was only tested on a few computers, it's why the ISOs are tagged ~rc1 If it work or you find the bugs, please let me know :) More information on Tango Studio are available at the project homepage See http://tangostudio.tuxfamily.org -- ~d°_°b~ Tango Studio ~d°_°b~ http://tangostudio.tuxfamily.org/

10 years, 4 months

★ Lis tes messages avant qu'ils ne soient effacés !

by Badoo

Lis ton message de Michaël avant qu'il soit effacé ! Pour lire ton message, suis simplement ce lien: http://us1.badoo.com/01251327857/in/FRDPBvSsNWk/?lang_id=6&g=57-0-4&m=65&mi… Le lien ne fonctionne pas dans ce message ? Copie-le dans la barre d'adresse de ton navigateur. Cet email fait partie de notre procédure d'envoi suite à la demande d'envoi de message par Michaël. S'il s'agit d'une erreur, ignore simplement cet email. La requête sera alors effacée du système. Amuse-toi bien ! L'équipe Badoo Vous avez reçu cet email de Badoo Trading Limited (adresse postale ci-dessous). Si à l'avenir, vous ne souhaitez plus recevoir d'emails de la part de Badoo, merci de vous désabonner en cliquant ici : https://us1.badoo.com/impersonation.phtml?lang_id=6&email=consortium%40list…. Badoo Trading Limited, société enregistrée en Angleterre et Pays de Galles, sous le No. CRN 7540255, bureaux enregistrés sous l'adresse Media Village, 131 - 151 Great Titchfield Street, Londres, W1W 5BB.

10 years, 5 months

★ Consortium, Michaël a laissé un message pour toi

by Badoo

Tu peux immédiatement répondre via notre messagerie instantanée. Voir tes messages... http://us1.badoo.com/01251327857/in/FRDPBvSsNWk/?lang_id=6&g=57-0-4&m=29&mi… D'autres personnes attendent : Les liens ne fonctionnent pas dans ce message? Copie-les dans la barre d'adresse de ton navigateur. Amuse-toi bien ! L'équipe Badoo Vous avez reçu cet email de Badoo Trading Limited (adresse postale ci-dessous). Si à l'avenir, tu ne souhaites plus recevoir d'emails de la part de Badoo, merci de te désabonner en cliquant ici ici : https://us1.badoo.com/impersonation.phtml?lang_id=6&email=consortium%40list… Badoo Trading Limited, société enregistrée en Angleterre et Pays de Galles, sous le No. CRN 7540255, bureaux enregistrés sous l'adresse Media Village, 131 - 151 Great Titchfield Street, Londres, W1W 5BB.

10 years, 5 months

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