Acoustics, Vibration, and Waves

  1. Architectural and Room Acoustics
    1. Sound Fields in Enclosed Spaces
      1. Direct Sound Field
        1. Line of Sight Propagation
          1. Geometric Acoustics
          2. Reverberant Sound Field
            1. Diffuse Field Theory
              1. Statistical Acoustics
              2. Near Field vs. Far Field
                1. Critical Distance
                  1. Sound Absorption
                    1. Absorption Coefficient
                      1. Sabine Absorption
                        1. Random Incidence Absorption
                          1. Porous Absorbers
                            1. Fibrous Materials
                              1. Foam Materials
                                1. Perforated Panels
                                2. Panel Absorbers
                                  1. Membrane Absorbers
                                    1. Diaphragmatic Absorbers
                                    2. Helmholtz Resonators
                                      1. Perforated Panel Resonators
                                        1. Slit Resonators
                                      2. Sound Reflection
                                        1. Specular Reflection
                                          1. Diffuse Reflection
                                            1. Flutter Echo
                                            2. Sound Diffusion
                                              1. Diffusion Coefficient
                                                1. Schroeder Diffusers
                                                  1. Quadratic Residue Diffusers
                                                2. Reverberation
                                                  1. Reverberation Time
                                                    1. Measurement Methods
                                                    2. Sabine's Formula
                                                      1. Derivation
                                                        1. Assumptions
                                                          1. Limitations
                                                          2. Eyring's Formula
                                                            1. Norris-Eyring Formula
                                                              1. Factors Affecting Reverberation
                                                                1. Room Volume
                                                                  1. Surface Areas
                                                                    1. Absorption Coefficients
                                                                      1. Air Absorption
                                                                      2. Optimal Reverberation Times
                                                                        1. Speech Intelligibility
                                                                          1. Music Performance
                                                                            1. Different Space Types
                                                                            2. Early Decay Time
                                                                              1. Clarity Index
                                                                              2. Room Modes
                                                                                1. Axial Modes
                                                                                  1. Tangential Modes
                                                                                    1. Oblique Modes
                                                                                      1. Acoustic Resonance in Rooms
                                                                                        1. Room Mode Control
                                                                                          1. Room Proportions
                                                                                            1. Absorption Placement
                                                                                              1. Diffusion Techniques
                                                                                              2. Schroeder Frequency
                                                                                              3. Acoustic Measurements
                                                                                                1. Impulse Response Measurements
                                                                                                  1. Reverberation Time Measurement
                                                                                                    1. Speech Transmission Index
                                                                                                      1. Definition and Clarity Measurements
                                                                                                        1. Background Noise Assessment
                                                                                                        2. Design Principles for Specific Spaces
                                                                                                          1. Concert Halls
                                                                                                            1. Reverberation Requirements
                                                                                                              1. Intimacy and Warmth
                                                                                                                1. Spatial Impression
                                                                                                                2. Auditoriums
                                                                                                                  1. Speech Intelligibility
                                                                                                                    1. Sight Lines and Acoustics
                                                                                                                    2. Recording Studios
                                                                                                                      1. Control Room Design
                                                                                                                        1. Live Room Design
                                                                                                                          1. Isolation Requirements
                                                                                                                          2. Classrooms and Lecture Halls
                                                                                                                            1. Speech Intelligibility
                                                                                                                              1. Background Noise Control
                                                                                                                              2. Open-Plan Offices
                                                                                                                                1. Speech Privacy
                                                                                                                                  1. Acoustic Comfort
                                                                                                                                  2. Acoustic Treatment Strategies
                                                                                                                                    1. Absorption Placement
                                                                                                                                      1. Diffusion Applications
                                                                                                                                        1. Isolation Techniques

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                                                                                                                                    5. Vibration of Continuous Systems

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                                                                                                                                    7. Applications and Specialized Topics