Accoustic Sound Absorption
Reference data and engineering information about accoustic sound absorption for acoustics applications.
accousticsoundabsorption
Overview
Engineering reference data for Accoustic Sound Absorption in acoustics.
Key Formulas
Speed of Sound
Speed of sound in an ideal gas.
Sound Level
Decibel level.
Wavelength
Wavelength = speed / frequency.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Speed of sound | m/s | |
| Sound level | dB | |
| Wavelength | m | |
| Frequency | Hz |
Data Table
28 rows
col0 |
|---|
| Acoustic belt, 12 mm |
| Acoustic tiles |
| Asbestos, sprayed 25 mm |
| Brickwork, painted |
| Brickwork, unpainted |
| Carpet, heavy on concrete |
| Carpe, heavy on foam rubber |
| Concrete block, coarse |
| Concrete block, painted |
| Cork sheet, 6 mm |
| Fiberboard on battens, 12 mm |
| Floor, concrete or terrazzo |
| Floor, linoleum, asphalt, rubber or cork tiles on concrete |
| Floor, wood |
| Hardwood |
| Glass, large panes heavy plate |
| Glass, ordinary windows |
| Gypsum board, 12 mm |
| Mineral wool, 100 mm |
| Persons, each |
| Plaster walls |
| Plywood panel, 3 mm |
| Polystyrene, expanded on 50mm battens |
| Polystyrene, expanded rigid backing |
| Polyurethane foam, flexible |
| Rubber sheet, 6 mm porous |
| Slag wool or glass silk, 50 mm |
| Snow |
Source: engineeringtoolbox.com