Some commentary on the evaluation of muff style hearing protection under the Canadian standard
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The results of a comprehensive study on the evaluation of hearing protection devices are discussed with respect to the Canadian standard. Overall the Canadian standard is more realistic in its philosophy than are other standard rating schemes
[1] John Greer Clark,et al. Introduction to Audiology , 1975 .
[2] Alberto Behar. FIELD EVALUATION OF HEARING PROTECTORS , 1985 .