Accelerometer: See Transducer.
Acoustic Design: See Soundscape Design.
Acoustic Ecology: See Soundscape Ecology.
Acoustic Profile: See Acoustic Space.
Acoustic Shadow: See Sound Shadow.
Actuality: See Oral History.
Additive Synthesis: See Fourier Synthesis, Sound Synthesis.
Air Conduction: See Bone Conduction, Conductive Hearing Loss.
Ambient Noise: See Ambience
Anacusis: See Hearing Loss
Analog-To-Digital Converter (ADC): See Digital Recording.
Antinode: See Standing Waves.
Aperiodic: See Inharmonic , Periodic.
Architectural Acoustics: See Acoustics.
Atmospheric Pressure: See Appendix B.
Audio Signal: See Audio.
Audio Spectrum: See Audio Frequency, Spectrum
Auditory Nerve: See Cochlea, Ear, Inner Ear.
Augmented (interval): See Interval.
Aural Fatigue: See Adaptation, Threshold Shift.
Aural History: See Oral History.
Background Music: See Moozak.
Backing: See Emulsion.
Band-Pass or Band-Reject: See Filter.
Bar: See Appendix B, Rhythm
Beat: See Metronome, Rhythm, Tempo.
Beat Frequency: See Beats.
Bel: See Decibel.
Binaural Beats: See Beats
Blumlein Microphone Technique: See Stereophonic.
Brownian Motion: See Gaussian Noise.
Cardioid: See Directivity.
Cassette (tape): See Tape Recording.
Cent: See Equal Temperament, Appendix B and Appendix C.
Chopping: See Switch.
Chord: See Harmony.
Chorus Effect or Choral Effect: See Blend, Volume.
Chroma: See Pitch.
Chronic Threshold Shift: See Threshold Shift.
Classical Studio Technique: See Sound Synthesis.
Clipping: See Peak Clipping.
Coating: See Emulsion.
Cochlear Implant: See: Sensory-Neural Hearing Loss.
Coloured Noise: See White Noise.
Comma (Pythagorean): See Pythagorean Scale.
Community Noise Equivalent Level
Compensation: See Equalization.
Computer (Sound) Synthesis: See Sound Synthesis.
Condensation: See Compression.
Cone of Confusion: See Binaural Hearing.
Constant Q Filter: See Filter.
Constructive Interference: See Interference.
Continuous Spectrum: See Spectrum.
Control Voltage: See Direct Current, Sound Synthesizer.
Conversion: See Digital Recording, Sound Synthesis, Transducer.
Corti Organ: See Organ of Corti.
Coupling: See Amplification, Soundboard.
Cut-Off: See Filter.
Cycle per Second (cps, c/s): See Frequency, Appendix B.
Day-Night Equivalent Noise Level: See Equivalent Energy Level.
Dead Air: See Silence.
Dead Spot: See Cancellation, Diffusion, Interference, Standing Waves.
Deafness: See Hearing Loss
Destructive Interference: See Cancellation, Interference.
Digital Audio Tape (DAT): See Magnetic Tape.
Digital Signal Processing (DSP): See Sound Synthesizer.
Digital Sound Synthesis: See Sound Synthesis.
Digital-To-Analog Converter (DAC): See Sound Synthesis.
Diminished (interval): See Interval.
Diotic: See Binaural Hearing.
Diphthong: See Vowel.
Discrete Channeling: See Separation.
Divergence Loss: See Sound Transmission Loss.
Domains: See Emulsion.
Duty Cycle: See Pulse.
Echo Density: See Reverberation.
Effective Perceived Noise Level
Effective Voltage or Power: See Root Mean Square.
Equalizer: See Equalization.
Expander: See Compression.
Exposure Level: See Equivalent Energy Level.
Fatigue of Hearing: See Adaptation, Threshold Shift.
Field Pattern: See Directivity.
First Generation: See Dubbing.
Flanging: See Phasing.
Flat Line Sound: See Stationary Sound.
Fletcher-Munson Curves: See Equal Loudness Contours.
Foldover: See Sound Synthesis.
Foley: See Sound Effect.
Forced Oscillation: See Oscillation.
Fourier Coefficient: See Fourier Theorem.
Fourier Transform: See Fourier Analysis.
Frequency Distortion: See Distortion.
Frequency Domain: See Spectrum.
Gate: See Compression.
Generation: See Dubbing.
Geometric Spreading: See Sound Propagation.
Granular Synthesis or Granulation: See Grain.
Graphic Level Recorder: See Level Recorder.
Ground Absorption or Ground Effect: See Sound Propagation, section 3.
Haas Effect: See Precedence Effect.
Habituation: See Adaptation.
Hair Cells: See Organ of Corti, Volley Theory.
Harmonic Distortion: See Distortion.
Head-Related Transfer Function (HRTF): See Binaural Hearing.
Headroom: See VU Meter.
Hertz (Hz): See Frequency, Appendix B.
Homophony: See Polyphony.
Hum Note: See Fundamental.
Impact-Noise Analyser: See Sound Analyser.
Impulse Sound: See Impact Sound, Pulse.
In-Head Localization: See Pan.
Intermodulation Distortion: See Distortion.
Inverse Fourier Transform: See Fourier Synthesis.
IPS: See Magnetic Tape, Appendix A.
Isometric: See Rhythm.
Just Noticeable Difference (jnd): See Differential Threshold.
Kilocycle: See Frequency, Appendix B.
Kilohertz (kHz): See Frequency, Appendix B.
Leader Tape: See Emulsion, Magnetic Tape.
Leakage: See Crosstalk.
Level: See Ambient Noise Level, Decibel, Loudness Level, Noise Level, Sound Level, Sound Power Level, Sound Pressure Level.
Line Source: See Sound Propagation.
Line Spectrum: See Spectrum.
Listening Walk: See Soundwalk.
Localization: See Binaural Hearing.
Logarithmic: See Linear, Decibel.
Longitudinal Wave: See Sound Wave.
Loop: See Tape Loop, Standing Waves.
Loudness Level Contours: See Equal Loudness Contours, Phon.
Magnetophon: See Tape Recording.
Megacycle: See Frequency, Appendix B.
Megahertz (mHz, MHz): See Frequency, Appendix B.
Metric Rhythm: See Rhythm.
Microtone: See Scale, Quarter Tone.
Minimum Audible Field (MAF): See Threshold of Hearing.
Missing Fundamental: See Fundamental.
Modulation Synthesis: See Sound Synthesis.
Molecular Relaxation: See Sound Propagation, section 2a.
Monophony: See Polyphony.
Multi-Track Recording: See Channel, Stereophonic.
Muzak: See Moozak.
Node: See Standing Waves.
Noise Abatement: See Damage-Risk Criteria, Noise, Noise Pollution.
Noise Gate: See Compression.
Noise Induced Permanent Threshold Shift (NIPTS): See Threshold Shift.
Noise-Reduction System: See Dynamic Range, Tape Recording.
Non-Linear: See Linear.
Octophonic: See Quadraphonic, Stereophonic.
Omni-Directional Microphone: See Directivity.
Onset Transients: See Envelope , Transient.
Outer Ear: See Ear, Auricle, Pinna.
Over-Modulation: See Modulation, Peak Clipping.
Pan-Pot: See Pan.
Passband: See Filter.
Peak Programme Meter: See VU Meter.
Peak Voltage: See Root Mean Square.
Pentatonic: See Scale.
Percentage of Modulation: See Modulation, VU Meter.
Perfect (interval): See Interval.
Periodicity Pitch: See Fundamental.
Periphony: See Stereophonic.
Permanent Threshold Shift (PTS): See Threshold Shift.
Phantom Image: See Panning.
Pink Noise: See White Noise.
Plosive: See Vocal Stop.
PNdB: See Perceived Noise Level.
Point of Articulation: See Rhythm.
Point Source: See Simple Sound Source, Sound Propagation.
Polar Pattern: See Directivity.
Pressure: See Sound Pressure.
Program Signal: See Modulated Carrier, Modulation, Radio Spectrum.
Psychophysics: See Psychoacoustics.
Punctuation: See Rhythm.
Pure Tone: See Simple Tone, Sine Tone.
Q (of a Filter): See Filter.
Quantum (Sound): See Grain.
Radiation: See Acoustic Radiation.
Rate Changer: See Tempophone.
Recall: See Oral History.
Rectangular Wave: See Square Wave.
Reverberant Field: See Diffuse Sound Field.
Reverberation Chamber: See Echo Chamber.
Reverberation Time: See Reverberation.
Ring Modulation: See Modulation.
Roll-Off: See Filter.
Root: See Fundamental.
Running Commentary: See Oral History.
SABIN: See Absorption, Appendix B.
Sampler or Sampling: See Digital Recording, Sound Synthesizer.
Sampling Rate: See Digital Recording, Sound Synthesis.
Scattering: See Sound Propagation, section 2.
Scrubbing: See Cue.
Second-Order Beats: See Beats.
Semitone: See Equal Temperament, Flat, Interval, Just Tuning, Pythagorean Scale, Sharp.
Shell-Shock: See Impact Sound.
Shelving: See Equalization.
Shock Wave: See Sonic Boom.
Signal Transfer: See Print-Through.
Singing Formant: See Formant.
Sinusoidal Wave: See Simple Harmonic Motion, Sine Wave.
Slap Echoes: See Echo, Parabolic Reflector.
Sonic Environment: See Soundscape.
Sonic Intrusion: See Sound Intrusion.
Sonogram (Sonagram): See Spectrograph.
Sonograph (Sonagraph): See Spectrograph.
Sonology: See Sound.
Sound Field: See Diffuse Sound Field , Free Field.
Sound Horizon: See Acoustic Horizon.
Sounding Board: See Soundboard.
Soundmaking: See Soundwalk.
Sound Mirror: See Tape Recorder.
Sound Pressure Function: See Waveform.
Sound Profile: See Acoustic Space.
Soundscape Project: See World Soundscape Project.
Sound Taboo: See Sound Phobia.
Sound Transmission Coefficient
Spectral Envelope: See Spectrum.
Spectrogram: See Spectrograph.
Speech Communication Criterion
Stationary Waves: See Standing Waves.
Steady State: See Stationary State.
Steady State Sound: See Drone, Hum, Stationary Sound.
Strike Note: See Fundamental.
Subaudio: See Infrasonic.
Subtractive Synthesis: See Sound Synthesis.
Superposition, Principle of: See Law of Superposition.
Syncopation: See Rhythm.
Synthesis: See Sound Synthesis.
Synthesizer: See Sound Synthesizer.
Tape Echo: See Echo.
Tape Feedback: See Feedback.
Temporary Threshold Shift (TTS): See Threshold Shift.
Tenth-Octave Band Analyser: See Sound Analyser.
Thermal Noise: See Gaussian Noise.
Third-Octave Band Analyser: See Sound Analyser, Spectrum chart.
Time Domain: See Spectrum, Waveform.
Time Stretching: See: Granulation , Tempophone.
Tone Control: See Equalization.
Tone-Height: See Pitch.
Track: See Channel, Magnetic Tape.
Transient Distortion: See Distortion.
Transmission Loss (TL): See Sound Transmission Loss.
Transverse Wave: See Oscilloscope, Sound Wave.
Tritone: See Interval.
Ultrasound: See Ultrasonic.
Unvoiced: See Consonant, Vowel.
Vasoconstriction: See Threshold Shift.
Velocity of Sound: See Speed of Sound.
Vibration Analyser: See Sound Analyser.
Visible Speech: See Spectrograph.
Vocal Cords: See Consonant, Vowel.
Vocal Tract: See Formant, Resonator, Vowel.
Voiced Or Voiceless: See Consonant, Vowel.
Voltage Control: See Direct Current, Sound Synthesizer.
Volume Unit (VU): See VU Meter.
Wave: See Sound Wave.
Wave-Analyser: See Sound Analyser.
Wave Propagation: See Sound Propagation.
Weighting Network: See Sound Level Meter.
Wideband Noise: See Broad Band Noise.
Wire Recorder: See Magnetic Wire.
Zeitdehner: See Tempophone.
Appendix A: List of Abbreviations and Symbols
Appendix B: Units of Measurement
Appendix C: Comparison of Tuning Systems
Appendix D: Conversion From Power Or Voltage Ratios To Decibels
Appendix E: Examples of Critical Bandwidths
Appendix F: Loudness Summation