connect communicate collaborate lola ( low latency audio visual streaming system) a low latency,...
TRANSCRIPT
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LOLA(LOw LAtency Audio Visual Streaming System)
A LOW LATENCY, HIGH QUALITY AUDIO/VIDEO TRANSMISSION SYSTEM FOR NETWORK MUSICAL
PERFORMANCES AND INTERACTION
Conservatorio G. TartiniConsortium GARR
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...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.
The Dream…
http://www.garr.it/eventiGARR/conf_05/ram/Violista.ram
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H.323/SIP
A/V tools before LOLA…
DVTS
Conference XP Skype
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H.323/SIP DVTS
Conference XP Skype
Latency: 400msEcho
Latency: 200msAudio for voice
Auto echo cancellation
Latency: 350msEcho
Latency: > 300msAudio for voice
Auto echocancellation
A/V tools before LOLA…
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LOLA
Latency: 5msAudio for music
No echo
Very Fast reliable networks
Hi-Speed camerasMachine Vision Grabbers
Good PC (i5/i7)…
New programming approach!
http://www.conts.it/artistica/lola-project/introducing-lola-workshop/
100 Mbps 500 Mbps30 fps 60 fps
2 ch 8 ch
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• 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…
Motivations and Goals
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Latency: • ~25ms (one way) is the confort limit for most instruments
Discoveries with LOLA
Courtesy of Nathan Brock, UCSD
Sound rendering: • mixing different ambients;• reproducing acoustic
instruments;
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• Network Performing Arts Production Workshop: 23.11.2010 Tartini (Trieste) – IRCAM (Paris) 1300Km.
• Network Performing Arts Production Workshop: 15.06.2011Tartini (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.
• AEC Annual Meeting for International Coordinators: 15.09.2012
• Tartini (Trieste) – SS. Marcellino & Festo (Naples) 1200Km.
• JANET Performing Arts Networkshop : 19.09.2012 Royal College of Music (London) – Napier Univ. (Edinburgh) 700km.
LOLA Events
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Trieste Next International Festival: 29.09.2012 Tartini (Trieste) – Ca’ Foscari (Venice) – Academy of Music (Ljubljana) 750Km (on GARR shared network) + 100 Km (on a 1Gbps Lambda)
LOLA public Concert
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• 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, Italy• 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• Napier University, School of Arts and Creative Industries, Music dept. -Edinburgh, 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, Denmark• Joseph Haydn Konservatorium, Eisenstadt, Austria• University of Southern California, School of Music, Los Angeles,CA,USA
Contact us at [email protected], build you own PC and join the community!
LOLA: the community
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Making a LOLA PC
Node Construction- Commercial Machines Available- Additional Hardware Support
- CoaXpress (CXP)/Bitflow Karbon
- Other ASIO Soundcards
Steps Forward….
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G.F. Handel/J. Halvorsen:Passacaglia for violin and cello
Marjorie Bagley, violinSchool of Music, Theatre and DanceUniversity of North Carolina – Greensboro, NC
Cheng-Hou Lee, celloSchool of MusicNorthern Illinois University – DeKalb, IL
Let’s see…