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Standard Practice for Measurement of Sound Pressure Level Differences and Decay Curves Using the Impulse Response Method with Swept Sinusoidal Signals
1.1 This practice covers the impulse response measurement method using sweep signals, and its use to determine two important room-acoustical quantities: the difference in sound pressure levels between two positions, as used for example in StandardDetails determining transmission loss; and decay curves, as used in StandardDetails determining the decay rate or reverberation time.
1.2 The practice shall be used in conjunction with test methods that use one or both of the quantities described in 1.1.
1.3 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International StandardDetails, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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