Topic:  Measurements

Numeric
−10 dBV −3 dB point °ASA
{Film Speed}
°BS
{Film Speed}		 °DIN
{Film Speed}		 °ISO
{Film Speed}
°Sch.
{Film Speed}		 °W.
{Film Speed}		 °WARN.
{Film Speed}
°Warnerke %ALCONS 0 dB
0 dBf 0 dBFS 0 dBm
0 dBr 0 dBSPL 0 dBu
0 dBV 0 dBv 24 frames per second
24FPS 3% distortion of the musical twelfth 3 dB down point
+4 dBu 85 spl 88 spl
Greek
λ µ µF
µm µs Ω
A
A A.S.A. absolute white
acutance ALCONS American wire gauge
amp calculations ampacity Ampere
amplitude, peak analytical density angstrom
ASA
{Film Speed}		 audio levels A-weighting
AWG
B
b
{Bit Size}		 B
{Byte Size}		 B
{Sound}
B&S wire gauge ballistics bandwidth
{Audio}
bandwidth
{Electronic Filters}		 bar base+fog
beats per minute Bel BER
binary digit bit bit depth
bit error rate bit error ratio bit rate
bit(s) per second blue
{Color}		 BPM
bps
{Bits}		 Bps
{Bytes}		 British Standard Wire Gauge
British Wire Gauge Brown & Sharpe wire gauge BSI
{Film Speed}
byte byte(s) per second
C
C
{Charge}		 C
{Color}		 C50 (dB)
C80 (dB) calibration candela
candle candlepower carcel (units)
CCIR 2 kHz-weighting CCIR ARM-weighting CCIR-468-weighting
cd
{Light Intensity}		 chromaticity chrominance
clarity index clarity measure clarity ratings
{Intelligibility}
CMR(R) color analyzer color balance
color rendering index color rendition index color saturation
color temperature color temperature meter colorimeter
common-mode rejection (ratio) contrast contrasty
corner frequency coulomb counter
{Device}
cp
{Light Intensity}		 cps crest factor
CRI
{Light}		 current C-weighting
cyan
{Color}		 cycle cycles per second
D
daylight dB dB/w/m
dB meter dBA dBC
dBf dBFS dBm
dBr dBSPL dBu
dBv dBV DC
{Electricity}
decay time decibel decibel full scale
decibels/watt/meter densitometer densitometry
density DFD difference frequency distortion
difference-tone IMD diffuse RMS granularity digital data transmission rate(s)
digital multimeter digital storage measurement digital word
DIM DIN
{Film Speed}		 direct current
DMM dummy load duty cycle
dynamic intermodulation distortion dyne
E
E.I.
{Film Speed}		 early decay time
{Acoustics}		 EDT
effective sound pressure efficiency EHF
EI
{Film Speed}		 EIA rating EIN
electric current electronics equal loudness contours
equivalent input noise equivalent noise (level) exposure index
{Film Speed}
exposure meter exposure meter, incident exposure meter, reflectance
extremely high frequency
F
F
{Electronics}		 fall time
{Electronics}		 Farad
fc
{Light Intensity}		 film footage film speed
filter factor fL
{Light Intensity}		 Fletcher Munson Effect
Fletcher-Munson Curves flux fluxivity
F-number footage
{Length}		 foot-candle
foot-lambert fpm FPS
frame-rate frequency
{Sound}		 frequency range
frequency response
{Audio Electronics}		 fs full step
full stop full-range fundamental
G
gap detection threshold
{Hearing}		 GB gbps
{Bits}
gBps
{Bytes}		 Gcps GE
{Film Speed}
G-E
{Film Speed}		 General Electric
{Film Speed}		 GHz
GiB gibibit(s) per second gibibyte(s)
gibibyte(s) per second Gibps
{Bits}		 GiBps
{Bytes}
gigabit(s) per second gigabyte(s) per second gigabyte(s)
gigacycle(s) gigahertz gnat′s nut
GOST
{Film Speed}		 gram green
{Color}
gross fog
H
H H&D
{Film Speed}		 half-step
{Music}
half-tone
{Music}		 half-word Hazeltine
headphone sensitivity hefner units hefnerkerze
Henry Hertz HF
high contrast high frequency high impedance
HK
{Light Intensity}		 HSB HSL
hue Hurter & Driffield
{Film Speed}		 HW
Hz
I
I.S.O.
{Film Speed}		 illuminance ILM
impedance Imperial Wire Gauge incident (exposure) meter
incident light incident light meter incident light reading
infrared infrasonic infrasound
input referred noise instantaneous sound pressure instrument metamerism
instrument-level intelligibility intensity
{Light}
intensity scale intermodulation distortion
{Measurement}		 International System of Units
IPS IRE (unit) ISO
{Film Speed}
ITU-R 2kHz-weighting ITU-R 468-weighting ITU-R ARM-weighting
J
jiffy jnd
{Observation Limit}		 Joule
just noticeable difference
K
k
{1000}		 K
{Electricity}		 K
{Light}
kB kbps
{Bits}		 kBps
{Bytes}
kcps Kelvin (scale) kg
{Weight}
kHz KiB kibibit(s) per second
kibibyte kibibyte(s) per second Kibps
{Bits}
KiBps
{Bytes}		 kilo kilo-bit(s) per second
kilobyte(s) kilobyte(s) per second kilocycle(s)
kilogram kilohertz kilowatts
KW
L
latency least significant bit level
light intensity light level light meter
light output lightness line-level
line-up tone load impedance loudness
loudness curve loudspeaker sensitivity low end
low impedance low-speed film lo-Z
LSB lumen luminance
luminosity lux lx
{Light Intensity}
M
m mA machine speed
maximum S/N (ratio) MB mbps
{Bits}
mBps
{Bytes}		 Mcps mean time to recovery
{Reliability Analysis}
mean time to repair
{Reliability Analysis}		 mebibit(s) per second mebibyte(s)
mebibyte(s) per second meg(a) mega-bit(s) per second
megabyte(s) megabyte(s) per second megacycle(s)
megahertz meter
{Indicator}		 meter
{Length}
meter ballistics meter-candela mH
MHz MiB Mibps
{Bits}
MiBps
{Bytes}		 mic-level (signal) microbar
microFarad micrometer micron
microPascal microphone sensitivity microsecond
mil milli milliAmp(ere)
millibar milliHenry millimeter
milliVolt minimum density mired
{Color Temperature}
mm MOL most significant bit
ms
{Time}		 MSB MSPS
MTBF MTTR musical twelfth
mV
N
N nano nanometer
nanoWeber nanoWebers per meter NC curves
near ultraviolet neutral test card
{Camera}		 newton
nibble noise criterion curves noise figure
noise measurement filters nonlinear nW/m
nWb nybble Nyquist
Nyquist frequency Nyquist limit Nyquist rate
Nyquist′s (Sampling) Theorem
O
octave Oe oersted
Ohm Ohm′s (electrical) law Ohm′s acoustic law
ohnosecond opacity orange
{Color}
P
Pascal PB peak amplitude
peak indicating (meter) peak level peak power
peak responding peak response peak value
peaking filter peak-to-peak peak-to-peak power
peak-to-peak value pebibyte(s) percentage articulation loss of consonants
period petabyte(s) pF
{Capacitance}
phon photometer PiB
picoFarad pitch
{Sound}		 pitch ratio
power power amplifier sensitivity power factor
power supply rejection ratio
{Electronics}		 p-p PPM
{Device}
ppm
{Measure}		 psophometer psophometric filters
PSRR
Q
quadrature quartet
R
radio frequencies radio receiver sensitivity Rankine scale
RASTI RC rating RCH
reactance real-time analyzer
{Test Equipment}		 red
{Color}
reference tones reflectance reflectance (exposure) meter
reflectance light meter reflected light meter reflected light reading
release
{Audio Compressor}		 reluctance resistance
resolution
{Image}		 resolving power resonant frequency
reverb time reverberation time RF
rise time RLM RMS
RMS detecting room acoustical speech transmission index room criteria rating
root mean square RT RT60
RTA rub and buzz
S
S
{Electricity}		 s
{Time}		 S/N
S/N+D Sabin sampling-rate
saturation
{Picture}		 saturation
{Sound}		 Scheiner
{Film Speed}
sec second
{Time}		 semitone
{Music}
sensitivity
{Sound}		 sensitometer shade
{Gray Scale}
SHF SID
{Distortion}		 Siemens
signal levels signal to quantization noise ratio signal-to-error ratio
signal-to-noise and distortion signal-to-noise ratio SIL
SINAD slew-induced distortion SNR
sound absorption sound level sound level meter
sound pressure sound pressure level sound quality
{Acoustics}
spectra spectral data spectrophotometer
spectrum
{Audio}		 spectrum
{Visible Light}		 spectrum analyzer
{Test Equipment}
specular density speech intelligibility speech interference level
speech transmission index speech transmission index for public address systems speed of sound
SPL SPL meter spot (light) meter
SQNR STI STI-PA
super high frequency Sv
{Film Speed}		 SWG
T
TB Tcps tebibyte(s)
terabyte(s) teracycle(s) terahertz
THD THD+N THF
third-harmonic distortion threshold of feeling threshold of hearing
threshold of pain THz TiB
TIM timbre
{Measurement}		 time scale sensitometer
total harmonic distortion total harmonic distortion plus noise transient intermodulation distortion
transmittance tremendously high frequency tri-stimulus value
tungsten light
{Color Temperature}		 twin-tone
U
UHF ultra high frequency ultrasonic
ultraviolet light ultraviolet radiation units of measurement
V
V vacuum tube volt meter Vectorscope
velocity of sound very high frequency VHF
violet
{Color}		 visible light visible spectrum
Volt volt meter voltage
voltage standing-wave ratio
{Electronics}		 volt-ohm-milliammeter volume indicator meter
volume unit volume unit meter VOM
VSWR
{Electronics}		 VTVM VU
VU meter
W
Warnerke
{Film Speed}		 Watt wave velocity
Wb Weber weighted
weighting weighting filters Weston
{Film Speed}
Westons
{Film Speed}		 white light whole step
whole tone
{Music}
Y
Y yellow
{Color}
Z
Z zero crossing point
{Electronics}		 Z-weighting

New Term — indicates new data. Updated Term — indicates updated data. (Retained for 30 days.)

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Copyright © 2007 – 2012 Ray M. Owen
Created:  September 14, 2009 — Last modified:  May 19, 2012
This is visit # 123 since September 14, 2009.