Acoustics glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

Absorption Class

Acoustics

Airborne Sound

Air Flow Resistance

Ambient Noise Definition

Amplitude

Anechoic

Anechoic Chamber

Angle of Incidence

Articulation Definition

Articulation Class (AC)

Articulation Index (AI)

Articulation Loss of Consonants (Alcons)

Audible Range

Audiogram

Audiometer

Audiometric Room

Auditory Masking

A-weighting

B

Background noise (dB)

Broadband Noise

Building Acoustics

C

Calibration

Ceiling Attenuation Class (CAC)

C-weighting

D

Daily Exposure Level

Decay Rate

Decibel (dB)

Diffusion

Diffraction

Direct Sound

Direct Field

Dn,w (dB)

Dn,f,w (dB)

E

Early Decay Time  (EDT)

Echo

Equivalent Continuous Sound Level Definition

Equivalent Absorption Area (Aeq)

F

Far Field

Flutter echo

Free Field

Frequency (f)

Frequency Analysis

Frequency band

H

Haas effect

Hearing loss

Hertz (Hz)

I

Impulse

Initial time-delay gap

Interzone Attenuation of Ceiling Systems

K

kHz

L

Loudness

M

Mass law

Muddy

N

Node

Noise

Noise Induced Hearing Loss (NIHL)

Noise Reduction

O

Ocatve bands

One-third octave band

P

Pascal (Pa)

Passive absorber

Permanent threshold shift

Phoneme

Pitch

Precedence effect

Presbycusis

Privacy (Acoustic privacy)

Psychoacoustics

Pure tone

R

Reflection Coefficient

Resonance absorber

Resistance

Reverberation time (T or RT)

Reverberation chamber

Room acoustic descriptors

Room method

Rumble

S

Sabine

Sound

Sound absorbers

Sound absorption

Sound Absorption Average (SAA)

Sound Absorption Class

Sound insulation

Sound leakage

Sound pressure level (SPL)

Sound propagation

Sound strength (dB)

Speech intelligibility

Speech privacy

Speech Transmission Index (STI)

Sound wave

U

Ultrasound

W

Watt

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