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Wave Field Synthesis in the Real World: Part 2 - In the Movie Theatre

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In anechoic rooms the concept of Wave Field Synthesis (WFS) has already proven to provide superior spatial sound over a large part of the room. In anechoic space WFS needs a large number of loudspeakers. In "normal" listening conditions simulated and real acoustics interfere with each other making the generated wave field less exact. This paper describes listening tests conducted to evaluate WFS in a movie theatre with about 100 seats. Parameters under test are the number of loudspeakers, the distance between loudspeakers, the position of the simulated source and the position of listeners relative to the loudspeakers. In addition to this, testing of the audio-visual coherence was investigated.

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