CHARACTERISTICS AND PREDICTION OF SPEECH INTELLIGIBILITY IN REINFORCED SOUND FIELDS DISTURBED BY ECHOES WITH a LONG DELAY TIME : Study on the Intelligibility of Open-Air Loudspeaker Systems for Disaster-Prevention (Part 1)
Journal of Architecture and Planning (Transactions of AIJ)
doi 10.3130/aija.62.1_2
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Date
January 1, 1997
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Architectural Institute of Japan