Audio in the Round

Jun 1, 2006 12:00 PM

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London's Royal Albert Hall recently hosted an opera-in-the-round production of La Bohème, which made use of Out Board's TiMax audio imaging delay matrix and a new automated tracking system developed by Norwegian technologists Track the Actors (TTA). Autograph Sound provided the Meyer, XTA and DiGiCo D5T sound system, supervised by Andy Brown.

TiMax audio imaging delay matrix processor in use with an automatic tracking system

Sound designer Bobby Aitken uses TiMax to create a “source-oriented reinforcement” system employing Haas precedence delay psychoacoustics to ensure all audience members perceive the vocals to be coming from the opera singers and not from the multichannel sound system distributed on a grid above the stage and behind grilles in the stage. Aitken and sound engineer Richard Sharat's goal was to ensure that every audience member received an acoustic wavefront from each performer about 10 to 20 ms before the reinforcing energy from the speakers.

TiMax sets up multiple image definitions, which are unique delay relationships between every source and each loudspeaker reinforcing it. These relationships are changed every time a performer moves to a different location onstage. The TTA system tracked each actor's movement while TiMax responded automatically to move their radio mics onto the corresponding image definitions.

Audio In the Round
Raymond Gubbay's opera-in-the-round offering, La Boheme, at London's Royal Albert Hall this spring featured a sound automation technique that combined Out Board's TiMax Audio Imaging delay matrix with a new automated tracking system developed by Norwegian technologists Track the Actors (TTA). Autograph Sound provided the Meyer, XTA and DiGiCo D5T sound system, which was supervised by Andy Brown. MORE







Screenshot from La Boheme
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Screenshot from Les Miserables

Another screenshot from Les Miserables

Front view of stage area; initial actor positions.

Defining MIDI zones

Creating a new show

TTA tags and Sennheiser transmitters

TTA computer running TiMax and TTA software


Computer and TiMax linked up






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