Abstract
An important new factor has recently entered the restaurant acoustics environment: spatial electroacoustic systems, deployed in coordination with physical acoustic materials and procedures and architectural/interior design options. The purposes are on the one hand to eliminate noise and Lombard-speech-runaway problems while giving diners the impression of a completely natural human-driven restaurant ambience, and on the other hand to introduce additional dimensions of acoustic and visual architectural creativity while maintaining individual-table speech privacy and communication comfort. One developer has entered this field, Meyer Sound of Berkeley, California. The Constellation restaurant electroacoustic concept is discussed here in very general, orientational terms to set the stage for future detailed presentations by the practitioners. Current implementations have evolved from both the performing-arts world (Jaffe Acoustics / Jaffe Holden Acoustics ERES, Lexicon LARES and the more recent Meyer Sound Constellation performing arts electroacoustic systems) and the business world (concealed full-duplex teleconferencing systems and subtle yet effective “speech lift” and open-plan masking systems). The new restaurant systems can be used not only for controlling and optimizing ambient backgrounds, but also for differentiating the apparent acoustics of different areas and for permitting, even in a zoned manner, new opportunities in music performance.
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