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LOLA Together, on demand! LOw LAtency Audio Visual Streaming System

Conservatorio G. Tartini Trieste. LOLA Together, on demand! LOw LAtency Audio Visual Streaming System. A LOW LATENCY, HIGH QUALITY AUDIO/VIDEO TRANSMISSION SYSTEM FOR NETWORK MUSICAL PERFORMANCES AND INTERACTION Massimo Parovel , Paolo Pachini , Nicola Buso , Carlo Drioli

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LOLA Together, on demand! LOw LAtency Audio Visual Streaming System

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  1. Conservatorio G. Tartini Trieste LOLA Together, on demand! LOw LAtency Audio Visual Streaming System A LOW LATENCY, HIGH QUALITY AUDIO/VIDEO TRANSMISSION SYSTEM FOR NETWORK MUSICAL PERFORMANCES AND INTERACTION Massimo Parovel, Paolo Pachini, Nicola Buso, Carlo Drioli Claudio Allocchio

  2. The Dream… …a viola Masterclass with New World Symphony, at the GARR Conference 2005, in Pisa... “To perform together, from distant locations... as if distance has vanished in a click of a computer mouse” http://www.garr.it/eventiGARR/conf_05/ram/Violista.ram 14:00

  3. To play together you need… • Audio Latency (RTT) below ~40-75ms (depends on music style) • Eye Contact to synchronize • Spatial Sound immersion for expression • Room Reverbering • Continuous Presence of all musicians • Non distracting environment • and art!

  4. Audio/Video tools before LOLA… H.323/SIP DVTS Skype Conference XP

  5. Audio/Video tools before LOLA… Latency: 200ms Audio for voice Auto echo cancellation Latency: 400ms Echo H.323/SIP DVTS Latency: > 300ms Audio for voice Auto echo cancellation Latency: 350ms Echo Skype Conference XP

  6. But… we wanted… • To satisfy all requirements, • in all involved remote sites, • also without a skilled conductor, • and to play J. S. Bach, • with a piano!

  7.  LOLA Latency: 5ms Audio for music No echo Very Fast reliable networks Hi-Speed cameras Machine Vision Grabbers Good PC (i5/i7) … New programming approach! 100 Mbps  500 Mbps 30 fps  60 fps 2 ch  8 ch http://www.conts.it/artistica/lola-project/introducing-lola-workshop/

  8. LOLA Motivations and Goals • Target applications: • Network interactive musical tasks • musical rehearsing and performances • music education and training • ... but also... • Network interactive on stage performances • dance performances • drama performances • performing arts education and training • and beyond… • surgery, real time control…

  9. Discoveries with LOLA • Latency: • ~25ms (one way) is the • confort limit for most • instruments Courtesy of Nathan Brock, UCSD • Sound rendering: • mixing different ambients; • reproducing acoustic instruments;

  10. LOLA public Events Network Performing Arts Production Workshop: 23.11.2010 Tartini (Trieste) – IRCAM (Paris)1300Km. Network Performing Arts Production Workshop: 15.06.2011 Tartini (Trieste) – Gran Teatre del Liceu (Barcelona) 2700Km. Internet2 Fall Members Meeting: 04.10.2011 NIU (Chicago, IL) – Congress Center (Raleigh, NC)1850km. Network Performing Arts Production Workshop : 05.03.2012 NIU (Chicago, IL) – NWS (Miami, FL)2400km.

  11. LOLA First public Concert AEC Annual Meeting for International Coordinators: 15.09.2012 Tartini (Trieste) – SS. Marcellino & Festo (Naples)1200Km.

  12. Comments by LOLA users • “We are in a new unexplored world: how can we adapt interpretation/composition to two different Concert Hall acoustic environment at the same time?” • “Your horizon expands from a city to a continent” • “You can talk, listen, make examples BUT ALSO you can PLAY TOGETHER” • “We won the CODECs challenge! ... the challenge is for the network now!” • “A powerful tool to analyze and refine your performance”

  13. LOLA: the community Contact us at lola-project@conts.it, get a free license for non commercial academic use, build you own PC and join the community! • Northern Illinois University School of Music - DeKalb, IL, USA • CESNET - Czech Republic Research and Education Network - Praha, CZ • New World Symphony - America's Orchestral Academy – Miami, FL, USA • Internet2 networking consortium - Washington, DC, USA • Università degli Studi di Cassino e del Lazio Meridionale - Cassino, IT • JAnet - UK Education and Research Network - Oxford, Didcot, UK • Universidade de São Paulo - CMU, Departamento de Música - São Paulo, Brasil • Rensselaer Polytechnic Institute - Department of the Arts - Troy, NY, USA • MAGPI - Mid-Atlantic Gigapop - Multimedia Service - Philadelphia, PA, USA • Edinburgh Napier University, School of Arts and Creative Industries, Music dept. UK • University of North Carolina, School of Music, Greensboro, NC, USA • University of Virginia, School of Arts, Charlottesville, VA, USA • Royal Academy of Music, Aarhus, DK

  14. London-Edinburgh ~400miles

  15. Questions? http://www.conts.it/artistica/lola-project lola-project@conts.it

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