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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 echoVery Fast reliable

networksHi-Speed cameras

Machine Vision GrabbersGood 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 lola-project@conts.it, 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…