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    • 43. 发明专利
    • JPH05248934A
    • 1993-09-28
    • JP4888392
    • 1992-03-05
    • MATSUSHITA ELECTRIC IND CO LTD
    • SAKAI MAYUMINAGAMITSU SACHIOKODAMA HISASHI
    • E04H3/22G01H3/00G01H17/00G10K15/00
    • PURPOSE:To provide a method of analyzing the acoustic environment together with an associated device therefor, which is capable of determining the non- steady solution in sound field analysis and is equipped with an excellent calculation accuracy. CONSTITUTION:An acoustic environment analyzing device comprises a room information entry means 1 for entering the room information for the analytical space of an object to be analyzed, a sound source information entry means 2 for entering the sound source information. an analytical position information entry means 3 for entering the sound receiving point, and a sound ray analyzing means 4 to determine the sound quantity reaching the sound receiving point by the use of a specified number of sound rays emitted from the sound source. The arrangement is further equipped with a reaching time calculation means 5 to calculate the reaching time of the sound corresponding to the distance of the route of sound ray reaching the sound receiving point from the sound source and a sound quantity calculating means 6 which calculates the sound quantity reaching the sound receiving point at each reaching time.