Acoustics, Vibration, and Waves

  1. Acoustics: The Science of Sound
    1. Nature of Sound Waves
      1. Sound as a Longitudinal Pressure Wave
        1. Particle Velocity vs. Particle Displacement
          1. Generation of Sound Waves
            1. Vibrating Sources
              1. Transient Sources
                1. Continuous Sources
                2. Propagation of Sound in Media
                  1. Acoustic Pressure and Particle Velocity
                    1. Speed of Sound in Different Media
                      1. Gases
                        1. Liquids
                          1. Solids
                            1. Composite Materials
                            2. Factors Affecting Speed of Sound
                              1. Temperature
                                1. Humidity
                                  1. Pressure
                                    1. Molecular Composition
                                  2. Characteristics of Sound
                                    1. Frequency and Pitch
                                      1. Fundamental Frequency
                                        1. Harmonics and Overtones
                                          1. Pitch Perception
                                          2. Amplitude and Loudness
                                            1. Sound Pressure Amplitude
                                              1. RMS Values
                                                1. Peak Values
                                                2. Intensity
                                                  1. Definition and Units
                                                    1. Intensity vs. Amplitude
                                                    2. The Decibel Scale
                                                      1. Logarithmic Nature
                                                        1. Sound Pressure Level
                                                          1. Sound Intensity Level
                                                            1. Reference Levels
                                                              1. Addition of Decibel Levels
                                                              2. Timbre and Waveform Complexity
                                                                1. Harmonic Content
                                                                  1. Spectral Analysis
                                                                    1. Envelope and Attack
                                                                      1. Formants
                                                                    2. Sound Power and Intensity
                                                                      1. Point Sources and Spherical Waves
                                                                        1. Line Sources and Cylindrical Waves
                                                                          1. Plane Waves
                                                                            1. Inverse Square Law
                                                                              1. Sound Power Level
                                                                                1. Sound Intensity Measurement
                                                                                  1. Intensity Probes
                                                                                    1. Sound Power Determination
                                                                                    2. Directivity
                                                                                      1. Directivity Index
                                                                                        1. Radiation Patterns
                                                                                      2. Acoustic Impedance
                                                                                        1. Specific Acoustic Impedance
                                                                                          1. Characteristic Impedance
                                                                                            1. Impedance Matching
                                                                                              1. Reflection at Impedance Boundaries
                                                                                              2. Human Hearing and Psychoacoustics
                                                                                                1. The Human Ear Mechanism
                                                                                                  1. Outer Ear
                                                                                                    1. Pinna
                                                                                                      1. Ear Canal
                                                                                                      2. Middle Ear
                                                                                                        1. Eardrum
                                                                                                          1. Ossicles
                                                                                                            1. Eustachian Tube
                                                                                                            2. Inner Ear
                                                                                                              1. Cochlea
                                                                                                                1. Hair Cells
                                                                                                                  1. Auditory Nerve
                                                                                                                2. Frequency Range of Hearing
                                                                                                                  1. Audible Frequency Range
                                                                                                                    1. Individual Variations
                                                                                                                    2. Loudness Perception
                                                                                                                      1. Equal Loudness Contours
                                                                                                                        1. Phons
                                                                                                                          1. Sones
                                                                                                                            1. Stevens' Power Law
                                                                                                                            2. Pitch Perception
                                                                                                                              1. Place Theory
                                                                                                                                1. Temporal Theory
                                                                                                                                  1. Complex Tones
                                                                                                                                  2. Masking Effects
                                                                                                                                    1. Frequency Masking
                                                                                                                                      1. Temporal Masking
                                                                                                                                        1. Critical Bands
                                                                                                                                        2. Binaural Hearing
                                                                                                                                          1. Interaural Time Difference
                                                                                                                                            1. Interaural Level Difference
                                                                                                                                            2. Sound Localization
                                                                                                                                              1. Azimuth Localization
                                                                                                                                                1. Elevation Localization
                                                                                                                                                  1. Distance Perception
                                                                                                                                                  2. Hearing Impairment
                                                                                                                                                    1. Conductive Hearing Loss
                                                                                                                                                      1. Sensorineural Hearing Loss
                                                                                                                                                        1. Audiometry