An equation stating Articulation Loss of Consonants as a function of SPL direct, SPL reverberant, SPL noise, RT 60 is presented. The equation is a base for both instrumentation and design of speech reinforcement systems. This common base facilitates quantitative evaluation of system performance by allowing direct measurement of the design parameters in both new and existing systems.

Author: Gawtry, Randy
Affiliation: Electronic Design Company, St. Paul, MN
AES Convention: 61 (November 1978) Paper Number: 1419
Publication Date: November 1, 1978

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