LOLA

(LOw LAtency Audio Visual Streaming System)

A LOW LATENCY, HIGH QUALITY AUDIO/VIDEO TRANSMISSION SYSTEM FOR NETWORK MUSICAL PERFORMANCES AND INTERACTION Conservatorio G. Tartini Consortium GARR connect • communicate • collaborate

The Dream… ...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

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A/V tools before LOLA…

H.323/SIP

DVTS

Conference XP

Skype connect • communicate • collaborate

A/V tools before LOLA… Latency: 200ms Audio for voice Auto echo cancellation

Latency: 400ms Echo

H.323/SIP

DVTS

Latency: 350ms Echo

Latency: > 300ms Audio for voice Auto echo cancellation

Conference XP

Skype connect • communicate • collaborate

 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/

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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…

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Discoveries with LOLA Latency:

10ms

• ~25ms (one way) is the confort limit for most instruments

15ms 20ms 25ms 30ms

Courtesy of Nathan Brock, UCSD

Sound rendering:

•  mixing different ambients; •  reproducing acoustic instruments;

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LOLA 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.

•  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.

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LOLA public Concert 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)

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LOLA: the community Contact us at [email protected], 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, 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

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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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Let’s see…

G.F. Handel/J. Halvorsen: Passacaglia for violin and cello Marjorie Bagley, violin School of Music, Theatre and Dance University of North Carolina – Greensboro, NC

Cheng-Hou Lee, cello

School of Music Northern Illinois University – DeKalb, IL

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