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Area: 801: Acoustics and electroacoustics           Index language:

Hide details for [<u>Section 801-21: General terms</u>]Section 801-21: General terms
801-21-01
acoustic oscillation
801-21-02
audible sound
801-21-03
infrasound
801-21-04
ultrasound
801-21-05
pure sound
801-21-06
complex sound
801-21-07
warble tone
801-21-08
noise
801-21-09
random noise
801-21-10
white noise
801-21-11
pink noise
801-21-12
ambient noise
801-21-13
background noise
801-21-14
reverberation
801-21-15
sound spectrum
801-21-16
line spectrum
801-21-17
continuous spectrum
801-21-18
static pressure
801-21-19
instantaneous sound pressure
801-21-20
sound pressure
801-21-21
peak sound pressure
801-21-22
reference sound pressure
801-21-23
sound exposure
801-21-24
particle
801-21-25
instantaneous particle displacement
801-21-26
particle displacement
801-21-27
peak particle displacement
801-21-28
instantaneous particle velocity
801-21-29
particle velocity
801-21-30
peak particle velocity
801-21-31
volume velocity
801-21-32
instantaneous particle acceleration
801-21-33
simple sound source
801-21-34
point sound source
801-21-35
strength of a simple sound source
801-21-36
sound power of a source
801-21-37
sound energy flux
801-21-38
sound power density
801-21-39
instantaneous potential sound energy density
801-21-40
instantaneous kinetic sound energy density
801-21-41
sound energy density
801-21-42
acoustic radiation pressure
801-21-43
spectral density
801-21-44
power spectral density
801-21-45
time constant
801-21-46
stimulus
801-21-47
response
801-21-48
distortion
Hide details for [<u>Section 801-22: Levels</u>]Section 801-22: Levels
801-22-01
level
801-22-02
bel
801-22-03
decibel
801-22-04
neper
801-22-05
sound power level
801-22-06
sound intensity level
801-22-07
sound pressure level
801-22-08
particle velocity level
801-22-09
(vibratory) acceleration level
801-22-10
peak level
801-22-11
time-average sound pressure level
801-22-12
band sound pressure level
801-22-13
spectrum density level
801-22-14
weighted sound pressure level
801-22-15
peak frequency-weighted sound pressure level
801-22-16
time-average sound level
801-22-17
sound exposure level
Hide details for [<u>Section 801-23: Transmission and propagation</u>]Section 801-23: Transmission and propagation
801-23-01
wave
801-23-02
surface wavefront
801-23-03
free progressive wave
801-23-04
compressional wave
801-23-05
longitudinal wave
801-23-06
plane wave
801-23-07
spherical wave
801-23-08
cylindrical wave
801-23-09
transverse wave
801-23-10
rotational wave
801-23-11
bending wave
801-23-12
Rayleigh wave
801-23-13
interference
801-23-14
beat
801-23-15
standing wave
801-23-16
node
801-23-17
antinode
801-23-18
speed of sound
801-23-19
sound wave velocity
801-23-20
phase velocity
801-23-21
group velocity
801-23-22
dispersion
801-23-23
refraction
801-23-24
specular reflection
801-23-25
diffraction
801-23-26
scattering
801-23-27
sound field
801-23-28
free sound field
801-23-29
near sound field
801-23-30
far sound field
801-23-31
diffuse sound field
801-23-32
reverberant sound field
801-23-33
linear exponent of sound propagation
801-23-34
elementary exponent of sound propagation
801-23-35
attenuation coefficient
801-23-36
elementary attenuation of propagation
801-23-37
acoustic phase coefficient
801-23-38
elementary dephasing of sound propagation
801-23-39
transmission loss
801-23-40
absorption loss
801-23-41
divergence loss
801-23-42
refraction loss
801-23-43
acoustic streaming
Hide details for [<u>Section 801-24: Oscillation</u>]Section 801-24: Oscillation
801-24-01
forced oscillation
801-24-02
free oscillation
801-24-03
transient oscillation
801-24-04
self-induced oscillation
801-24-05
resonance
801-24-06
resonance frequency
801-24-07
anti-resonance
801-24-08
natural frequency
801-24-09
undamped natural frequency
801-24-10
damped natural frequency
801-24-11
fundamental frequency
801-24-12
quality factor
801-24-13
mode of oscillation
801-24-14
normal mode of oscillation
801-24-15
modal numbers
801-24-16
fundamental mode of oscillation
801-24-17
coupled modes
801-24-18
uncoupled mode
801-24-19
damping
801-24-20
critical damping
801-24-21
damping ratio
801-24-22
viscous damping
801-24-23
logarithmic decrement
801-24-24
steady-state oscillation
801-24-25
subharmonic response
801-24-26
impulse
801-24-27
shock pulse
801-24-28
duration of shock pulse
801-24-29
pulse rise time
Hide details for [<u>Section 801-25: Transducer parameters</u>]Section 801-25: Transducer parameters
801-25-01
acoustical system
801-25-02
mechanical system
801-25-03
complex parameter
801-25-04
transducer
801-25-05
passive transducer
801-25-06
active transducer
801-25-07
reversible transducer
801-25-08
reciprocal transducer
801-25-09
transfer function
801-25-10
sensitivity (of a transducer)
801-25-11
relative sensitivity (of a transducer)
801-25-12
sensitivity level (of a transducer)
801-25-13
impedance
801-25-14
conjugate impedances
801-25-15
admittance
801-25-16
immittance
801-25-17
driving-point impedance
801-25-18
transfer impedance
801-25-19
short-circuit impedance
801-25-20
free impedance
801-25-21
loaded impedance
801-25-22
open-circuit impedance
801-25-23
blocked impedance
801-25-24
motional impedance
801-25-25
motional admittance
801-25-26
mechanical impedance (at a point)
801-25-27
mechanical resistance
801-25-28
mechanical reactance
801-25-29
apparent mass
801-25-30
stiffness
801-25-31
compliance
801-25-32
electromechanical transducer
801-25-33
electromechanical coupling coefficient (1)
801-25-34
electromechanical coupling coefficient (2)
801-25-35
specific acoustic impedance
801-25-36
specific acoustic resistance
801-25-37
specific acoustic reactance
801-25-38
specific acoustic admittance
801-25-39
characteristic impedance of a medium
801-25-40
acoustic impedance
801-25-41
acoustic resistance
801-25-42
acoustic reactance
801-25-43
acoustic mass
801-25-44
acoustic stiffness
801-25-45
acoustic compliance
801-25-46
acoustic admittance
801-25-47
electroacoustic transducer
801-25-48
electroacoustic coupling coefficient (1)
801-25-49
electroacoustic coupling coefficient (2)
801-25-50
reference point
801-25-51
principal axis
801-25-52
effective acoustic centre
801-25-53
pressure sensitivity
801-25-54
free-field sensitivity
801-25-55
diffraction factor
801-25-56
free-field current sensitivity
801-25-57
sensitivity to voltage
801-25-58
sensitivity to current
801-25-59
sensitivity to electric power
801-25-60
reciprocity principle
801-25-61
reciprocity coefficient
801-25-62
close-talking sensitivity
801-25-63
axial sensitivity
801-25-64
random-incidence sensitivity
801-25-65
diffuse-field sensitivity
801-25-66
directional pattern
801-25-67
directivity factor
801-25-68
directional gain
801-25-69
angular deviation loss
Hide details for [<u>Section 801-26: Microphones</u>]Section 801-26: Microphones
801-26-01
microphone
801-26-02
standard microphone
801-26-03
pressure microphone
801-26-04
pressure-gradient microphone
801-26-05
omnidirectional microphone
801-26-06
directional microphone
801-26-07
unidirectional microphone
801-26-08
line microphone
801-26-09
multiple microphone
801-26-10
probe microphone
801-26-11
anti-noise microphone
801-26-12
carbon microphone
801-26-13
electrostatic microphone
801-26-14
electret microphone
801-26-15
piezoelectric microphone
801-26-16
electromagnetic microphone
801-26-17
moving-conductor microphone
801-26-18
ribbon microphone
801-26-19
moving-coil microphone
801-26-20
magnetostriction microphone
801-26-21
electronic microphone
801-26-22
ionic microphone
801-26-23
thermal microphone
801-26-24
close-talking microphone
801-26-25
lip microphone
801-26-26
lapel microphone
801-26-27
mask microphone
801-26-28
throat microphone
801-26-29
bone-conduction microphone
801-26-30
telephone microphone
Hide details for [<u>Section 801-27: Loudspeakers and earphones</u>]Section 801-27: Loudspeakers and earphones
801-27-01
loudspeaker
801-27-02
loudspeaker unit
801-27-03
electrostatic loudspeaker
801-27-04
piezoelectric loudspeaker
801-27-05
electromagnetic loudspeaker
801-27-06
moving-conductor loudspeaker
801-27-07
magnetostriction loudspeaker
801-27-08
ionic loudspeaker
801-27-09
pneumatic loudspeaker
801-27-10
cone loudspeaker
801-27-11
dome loudspeaker
801-27-12
(acoustic) horn
801-27-13
horn loudspeaker
801-27-14
multicellular loudspeaker
801-27-15
multichannel loudspeaker
801-27-16
acoustic baffle
801-27-17
acoustic enclosure
801-27-18
earphone
801-27-19
telephone earphone
801-27-20
headphone
801-27-21
headset
801-27-22
insert earphone
801-27-23
supra-aural earphone
801-27-24
circumaural earphone
801-27-25
transducer cartridge
801-27-26
bone-conduction vibrator
Hide details for [<u>Section 801-28: Various apparatus</u>]Section 801-28: Various apparatus
801-28-01
sound level meter
801-28-02
audiometer
801-28-03
acoustic coupler
801-28-04
mechanical coupler
801-28-05
artificial ear
801-28-06
artificial mouth
801-28-07
artificial voice
801-28-08
artificial mastoid
801-28-09
thermophone
801-28-10
electrostatic actuator
801-28-11
pistonphone
801-28-12
Rayleigh disk
801-28-13
acoustic radiometer
801-28-14
sound analyser
801-28-15
vibration meter
801-28-16
sound locator
801-28-17
stereophonic sound system
801-28-18
vocoder
801-28-19
visible speech apparatus
801-28-20
hearing aid
801-28-21
hearing protector
Hide details for [<u>Section 801-29: Physiological acoustics</u>]Section 801-29: Physiological acoustics
801-29-01
pitch
801-29-02
mel
801-29-03
loudness
801-29-04
sone
801-29-05
loudness level
801-29-06
calculated loudness level
801-29-07
phon
801-29-08
equal-loudness contour
801-29-09
timbre
801-29-10
judged perceived noise level
801-29-11
perceived noise level
801-29-12
noisiness
801-29-13
noy
801-29-14
tone-corrected perceived noise level
801-29-15
effective perceived noise level
801-29-16
air conduction
801-29-17
bone conduction
801-29-18
threshold of hearing
801-29-19
masked threshold
801-29-20
normal threshold of hearing
801-29-21
standard threshold of hearing
801-29-22
threshold of pain (in electroacoustics)
801-29-23
normal threshold of pain
801-29-24
hearing threshold level
801-29-25
hearing level
801-29-26
pure tone audiogram
801-29-27
auditory sensation area
801-29-28
normal auditory sensation area
801-29-29
sensation level
801-29-30
recruitment
801-29-31
masking
801-29-32
masking audiogram
801-29-33
auditory critical band
801-29-34
detection (in acoustics)
801-29-35
detection differential
801-29-36
difference limen for loudness
801-29-37
difference limen for pitch
801-29-38
relative difference limen for frequency
801-29-39
aural harmonic
801-29-40
electrophonic effect
801-29-41
instantaneous speech power
801-29-42
peak speech power
801-29-43
average speech power
801-29-44
formant
801-29-45
articulation
801-29-46
threshold of speech intelligibility
Hide details for [<u>Section 801-30: Musical acoustics</u>]Section 801-30: Musical acoustics
801-30-01
fundamental tone
801-30-02
partial
801-30-03
harmonic
801-30-04
harmonic series of sounds
801-30-05
vibrato
801-30-06
note
801-30-07
frequency interval
801-30-08
logarithmic frequency interval
801-30-09
octave
801-30-10
tempered whole tone
801-30-11
tempered semitone
801-30-12
savart
801-30-13
cent
801-30-14
musical scale
801-30-15
Pythagorean scale
801-30-16
just scale
801-30-17
equally tempered scale
801-30-18
standard tuning frequency
Hide details for [<u>Section 801-31: Architectural acoustics</u>]Section 801-31: Architectural acoustics
801-31-01
sound absorption
801-31-02
sound (power) absorption coefficient
801-31-03
statistical sound (power) absorption coefficient
801-31-04
sound (power) reflection coefficient
801-31-05
sound pressure reflection coefficient
801-31-06
equivalent absorption area of an object or of a surface
801-31-07
reverberation time
801-31-08
decay rate
801-31-09
Eyring absorption coefficient
801-31-10
Sabine absorption
801-31-11
room absorption
801-31-12
Sabine absorption coefficient
801-31-13
reverberation room
801-31-14
live room
801-31-15
mean free path
801-31-16
random incidence
801-31-17
diffuse-field distance
801-31-18
free-field room
801-31-19
dead room
801-31-20
audiometric room
801-31-21
echo
801-31-22
multiple echo
801-31-23
flutter echo
801-31-24
specific wall impedance
801-31-25
specific wall admittance
801-31-26
radiation factor
801-31-27
radiation index
801-31-28
Helmholtz resonator
801-31-29
dissipation
801-31-30
dissipation factor
801-31-31
porous absorber
801-31-32
porosity
801-31-33
flow resistance
801-31-34
specific flow resistance
801-31-35
flow resistivity
801-31-36
average sound pressure level in a room
801-31-37
level difference
801-31-38
normalized level difference
801-31-39
sound reduction index
801-31-40
flanking transmission
801-31-41
impact sound pressure level
801-31-42
normalized impact sound pressure level
801-31-43
field normalized impact sound pressure level
801-31-44
sound absorbing material
801-31-45
acoustical insulation material
801-31-46
impact-sound reducing material
Hide details for [<u>Section 801-32: Underwater acoustics</u>]Section 801-32: Underwater acoustics
801-32-01
sonar
801-32-02
active sonar
801-32-03
passive sonar
801-32-04
sonar background noise
801-32-05
sonar self-noise
801-32-06
radiated noise
801-32-07
sea noise
801-32-08
relative reverberation level
801-32-09
reverberation-limited condition
801-32-10
noise-limited condition
801-32-11
figure of merit of an active sonar
801-32-12
propagation anomaly
801-32-13
cross-over range
801-32-14
bathythermogram
801-32-15
thermocline
801-32-16
isothermal layer
801-32-17
limiting ray
801-32-18
convergence zone
801-32-19
shadow zone
801-32-20
sound channel
801-32-21
deep scattering layer
801-32-22
quenching water
801-32-23
sonar dome
801-32-24
sonar dome insertion loss
801-32-25
sonar dome loss directivity-pattern
801-32-26
hydrophone
801-32-27
shaded transducer
801-32-28
underwater sound projector
801-32-29
sonar source level
801-32-30
scattering cross-section of an object or volume
801-32-31
backscattering cross-section of an object or a volume
801-32-32
scattering cross-section of a surface or a bottom
801-32-33
backscattering cross-section of a surface or a bottom
801-32-34
volume scattering coefficient
801-32-35
surface or bottom scattering coefficient
801-32-36
object backscattering differential
801-32-37
volume backscattering differential
801-32-38
surface or bottom backscattering differential


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