1.1 This test method covers the use of an impedance tube, two microphone locations, and a digital frequency analysis system for the determination of normal incidence sound absorption coefficients and normal specific acoustic impedance ratios of materials.
Product Details
- Published:
- 10/01/2019
- Number of Pages:
- 14
- File Size:
- 1 file , 300 KB
- Redline File Size:
- 2 files , 630 KB
