Acoustic measurements in the Philharmonic (Avery Fisher) Hall are reviewed. The subjective testing of 22 European concert halls, as well as several new methods for effectively diffusing sound are described. These methods, which are based on number theory, are also useful as sound scatterers for recital hall and studio design. An accurate method for calculating sound decay due to E. Gilbert is reviewed. Acoustic measurements made with music as the test signal (with the audience in place) during live performances are described. An ingenious method, suggested by A. Kohlrausch, for evaluating "colorless" artificial reverberation is pointed out.

Author: Schroeder, Manfred R.
Affiliations: Drittes Physikalisches lnstitut, Universitiit G_ittingen, D-3400 G6ttingen, West Germany ; Bell Laboratories, Murray Hill, NJ (See document for exact affiliation information.)
JAES Volume 32 Issue 4 pp. 194-203; April 1984
Publication Date: April 1, 1984

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