Page 13 - Master Handbook of Acoustics
P. 13
Quadratic Residue Diffusers
Primitive Root Diffusers
Performance of Diffraction-Grating Diffusers
Reflection Phase-Grating Diffuser Applications
Flutter Echo
Application of Fractals
Diffusion in Three Dimensions
Diffusing Concrete Blocks
Measuring Diffusion Efficiency
Comparison of Gratings with Conventional Approaches
15 Adjustable Acoustics
Draperies
Absorptive Adjustable Panels
Hinged Panels
Louvered Panels
Absorptive/Diffusive Adjustable Panels
Variable Resonant Devices
Rotating Elements
Portable Units
16 Sound Isolation and Site Selection
Propagation through Barriers
Approaches to Noise Control
Airborne Noise
Transmission Loss
Effect of Mass and Frequency
Coincidence Effect
Separation of Mass
Porous Materials
Sound Transmission Class
Structureborne Noise
Noise Transmitted by Diaphragm Action
Noise and Room Resonances
Site Selection
The Noise Survey
Assessment of Environmental Noise
Measurement and Testing Standards
Recommended Practices
Noise Measurements and Construction
Floor Plan Considerations
Designing within a Frame Structure