What people are saying - Write a review
We haven't found any reviews in the usual places.
Introduction And History
Reverberation Formula And Their Application
The Absorption Coefficient And Its Problems
22 other sections not shown
absorbent material absorption coefficient acoustic impedance acoustical materials Acoustical Tile air space air-borne sound anechoic chamber Architectural Acoustics attenuation average band battens bevelled buildings ceiling Celotex Celotex Corp cent centres chamber construction Cork Courtesy cps cps cps curves cycles decibels duct effect equal-loudness contours factor Fiberglas fibre Fissured floor formula frequency range given glass holes instruments loudness low frequencies machine manufactured measurements metal microphone mineral wool National Gypsum noise level noise reduction Noise Reduction Coefficient observed obtained octave octave-band painted panels partitions perforated facing phons plaster Random Perforated resilient resonant reverberation rock wool scale shown in fig sound absorption sound insulation sound level meter sound pressure level speech sq.ft structure studios surface Table thick tone traffic transmission loss typical units various vibration vide wall wave wood