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
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