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
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