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The Effects of Multiple Arrivals on the Intelligibility of Reinforced Speech

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The effects of multiple arrivals on the intelligibility of speech produced by live-sound reinforcement systems are examined. The intent is to determine if correlations exist between the manipulation of sound system optimization parameters and the subjective attribute speech intelligibility. Investigated variables are signal-to-noise ratio (SNR), delay time between signals arriving from multiple elements of a loudspeaker array and array type and geometry. Intelligibility scores were obtained through subjective evaluation of binaural recordings, reproduced via headphone, using the Modified Rhyme Test.

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