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ASTM C384-98

Заменен
Standard Test Method for Impedance and Absorption of Acoustical Materials by the Impedance Tube Method — 9 стр.
Область применения

1.1 This test method covers the use of an impedance tube, alternatively called a standing wave apparatus, for the measurement of impedance ratios and the normal incidence sound absorption coefficients of acoustical materials.

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.

1.3 The values stated in SI units are to be regarded as the standard.

ICS
91.120.20 Acoustics in building. Sound insulation / Акустика в зданиях. Звукоизоляция
Сборник ASTM
04.06 Thermal Insulation; Building and Environmental Acoustics / Теплоизоляция; Внутренняя звукоизоляция зданий и звукоизоляция от внешней среды
Тематика
Buildings