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A Case Study on Sound Reproduction and Acoustic Enhancement in Concert Halls Using Wave Field Synthesis

This paper presents the wave fields synthesis system under construction at the National Conservatory of Music Detmold (Germany). The system is dedicated to sound reproduction for artistic purposes at the Tonmeister department (Erich Thienhaus Institute) and to an enhancement of room acoustics. The system comprises 346 independent loudspeaker channels, including a horizontal loudspeaker array all around the auditory (500 seats) and ceiling loudspeakers. Since the hall is used for a broad repertoire comprising of chamber music, romantic orchestra instrumentations, organ concerts, contemporary music, etc., the hall will be equipped with a variable room acoustic system. The paper presents perceptual aspects of system design, concerning the direct sound and diffuse field as well as practical implementations for WFS rendering.

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