Acoustics. Definitions of basic quantities and terms1 Scope This Technical Report specifies definitions of acoustical quantities and terms often used in documents on noise measurement prepared by Technical Committee ISO TC 43, Acoustics, Subcommittee SC 1, Noise, together with their symbols and units. The main purpose is to harmonize the terminology used in documents prepared by ISO TC 43 SC 1, thus to avoid proliferation of diverging definitions. However, this Technical Report may be applied to other

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