Page 11 - Master Handbook of Acoustics
P. 11
Impulse Sources
Steady-State Sources
Measuring Equipment
Measurement Procedure
Reverberation and Normal Modes
Analysis of Decay Traces
Mode Decay Variations
Frequency Effect
Reverberation Characteristic
Reverberation Time Variation with Position
Decay Rate and the Reverberant Field
Acoustically Coupled Spaces
Electroacoustically Coupled Spaces
Eliminating Decay Fluctuations
Influence of Reverberation on Speech
Influence of Reverberation on Music
Optimum Reverberation Time
Bass Rise of Reverberation Time
Initial Time-Delay Gap
Listening Room Reverberation Time
Artificial Reverberation
Examples of Reverberation Time Calculations
12 Absorption
Dissipation of Sound Energy
Absorption Coefficients
Reverberation Chamber Method
Impedance Tube Method
Tone-Burst Method
Mounting of Absorbents
Mid/High-Frequency Absorption by Porosity
Glass-Fiber Low-Density Materials
Glass-Fiber High-Density Boards
Glass-Fiber Acoustical Tile
Effect of Thickness of Absorbent
Effect of Airspace behind Absorbent
Effect of Density of Absorbent
Open-Cell Foams
Drapes as Sound Absorbers
Carpet as Sound Absorber
Effect of Carpet Type on Absorbance
Effect of Carpet Underlay on Absorbance