ASTM C423 - 01
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
| Aviso: | Las normas ASTM en lectura se visualizan a través del área decliente. Los archivos no se pueden descargar |
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| Fecha edición: |
2001-07-10
Anulada
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| Fecha cancelación: | 2001-07-10 |
| Idiomas disponibles: | Inglés |
| Resumen: | |
| Keywords: | acoustical; acoust; decay rate; noise; noise reduction coefficient; reverberation room |
| Scope: | 1.1 This test method covers the measurement of sound absorption in a reverberation room by measuring decay rate. Procedures for measuring the absorption of a room, the absorption of an object, such as an office screen, and the sound absorption coefficients of a specimen of sound absorptive material, such as acoustical ceiling tile, are described. 1.2Field Measurements—Although this test method primarily covers laboratory measurements, the test method described in 4.1 can be used for making field measurements of the absorption of rooms (see also 5.5). A non-standard method to measure the absorption of rooms in the field is described in Appendix X2. 1.3 This test method includes information on laboratory accreditation (see Annex A1), asymmetrical screens (see Annex A2), and reverberation room qualification (see Annex A3). 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 and health practices and determine the applicability of regulatory limitations prior to use. |
| ICS: | 17.140.01 - Medición acústica y atenuación del ruido en general, 91.120.20 - Acústica en los edificios. Aislamiento acústico |
| CTN: | E33.01 - E33.01 |
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Otras Relaciones |
Es referenciada por C1685-15R21 Es referenciada por C1410-17R23 Es referenciada por E1222-22 Es referenciada por E0795-23 Es referenciada por C0384-04R22 Es referenciada por E0596-22 Es referenciada por E0492-22 Es referenciada por C0634-22 Es referenciada por E1704-95R18 Es referenciada por E1414_E1414M-21A Es referenciada por C0842-05R21 Es referenciada por E1111_E1111M-14R22 Es referenciada por E1374 - 18(2025) Es referenciada por C1482 - 24e1 Es referenciada por E90 - 23 Es referenciada por E1264 - 23 Es referenciada por C1534 - 24 Es referenciada por D5456 - 24 Es referenciada por E3091 - 17(2024) Es referenciada por E2963 - 24 |










