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1.1 This guide describes the measurement of masking sound in an open office environment. The objectives of the measurements are to determine the uniformity of masking sound both in time and from position to position, and how closely the masking sound matches a spectrum specified by others. The masking sound will usually be associated with a masking system, however, in certain positions and frequency ranges, heating, ventilating, or air conditioning equipment (HVAC) may affect the masking sound spectrum.
1.2 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 and health practices and determine the applicability of regulatory limitations prior to use.