6. MARCO DE REFERENCIA
6.3 MARCO CONTEXTUAL
mesa
325
microalloy diffused
325
MOSFET
327, 335
noise figure
331
planar
326
polarity
328
punch through
332
small and large-signal character-istics
330
solid state devices
325
Transition band
filters and equalizers
785
Transmission characteristics audio transformers
302
Transmission coefficient acoustics for auditoriums and
concert halls
183
Transmission line relays
377
Transmission line termination wire and cable
435
Transmission lines
grounding and interfacing
1184
Transmission loss
acoustical noise control
71
fiber optics
483
Transmission loss of a compound barrier
acoustical noise control
87
Transmission loss of single glass plates
acoustical noise control
84
Transmission loss of spaced glass plates
acoustical noise control
85
Transmitter fiber optics
483
specifications fiber optics
476
Transmitter antenna microphones
567
Transmitter/receiver modules fiber optics
469
Transparent OLED
display technologies
1588
Transportation services applications message repeaters and
evacua-tion systems
1518
Transresistance amplifier
703
Transversal equalizers filters and equalizers
801
Transversal filter
optical disc formats
1140
Transversal filters consoles
963
TRAP horns
650
loudspeaker clusters
650
Trapezoidal ground plan acoustics for auditoriums and
concert halls
169
Travel-Time-Based Reverbera-tion-Time Enhancing Systems
acoustics for auditoriums and concert halls
191
Treble horns
computer aided sound system design
1350
Tree coupler fiber optics
483
Triacs
solid state devices
325
Triaxial cable
wire and cable
421
Triboelectric noise wire and cable
430
Triode
tubes
311, 313
Tri-polar array
Loudspeaker clusters
653
Troubleshooting a sound system
1314
True Array Principle (TRAP) loudspeaker clusters
651
TTL (Transistor-Transistor Logic)
746
Tubes
311
amplification factor
312
base diagrams
311
beam- power
311
cathode
311
control grid
311, 314
diode
311
filament
311
Fleming valve
311
grid bias
314
grid voltage
315
grid-current
315
grid-to-plate capacitance
314
heater
317
heptode
311
hexode
311
input capacitance
313
internal capacitance
313
nomenclature
312
output capacitance
314
pentagrid
311
pentode
311
plate
311
plate dissipation
315
plate efficiency
315
plate resistance
314
polarity
313
power sensitivity
315
screen grid
311, 315
step-up transformer
331
suppressor grid
311
symbols
311
tetrode
311
transconductance
312
triode
311, 313
tube elements
311
types
311
voltage gain
312
Tuned dipolar array
loudspeaker clusters
653
Tuned stub noise attenuators acoustical noise control
92
Tunnel diode
solid state devices
322
Turnoff time
solid state devices
324
Turnon time
solid state devices
324
Turns ratio
audio transformers
276–277, 280, 299, 302
Turntable
acoustic noise
1020
analog discs
1018
cartridge voltage output
1033
cleaning records
1037
drive systems
1018
elliptical stylus
1031
induced-magnet cartridges
1028
laser
1034
magnetic field
1027–1028
moving-coil cartridges
1027
moving-magnet cartridges
1028
phono preamplifiers
1033
platter
1018
semiconductor pickup cartridges
1029
speed of rotation
1019
spherical stylus
1031
step-up transformer
1027–1028
styli
1026, 1031
stylus cantilever
1032
stylus characteristics
1032
stylus tip
1031
tonearm resonance damping
1025
tonearms
1021
variable-reluctance cartridges
1027
Twisted pair
wire and cable
407
Twisted pair impedance wire and cable
434
Two channel party line system intercoms
1570
Two-integrator loop consoles
885
Two-way cardioid microphone
502
Two-way crossovers loudspeakers
624
Two-wire telephone connection preamplifiers and mixers
758
txUnicastMode
digital audio interfacing and net-works
1506
Tympanic membrane psychoacoustics
43
Types of automatic microphone mixers
preamplifiers and mixers
748
Types of tubes
311
Typical digital circuits
363
Typical sound pressure levels fundamentals of audio and
acoustics
26
U U attenuators
775
U.S. to SI units conversion factors units of measurement
1666
U50
designing for speech intelligibil-ity
1405
U80
designing for speech intelligibil-ity
1405
UDF
optical disc formats
1146
UFC
message repeaters and evacua-tion systems
1526
Ultra capacitor characteristics power supplies
691
Ultra capacitor UPS power supplies
690
Ultrasound
message repeaters and evacua-tion systems
1524
Unbalanced
microphones
521
Unbalanced cable
grounding and interfacing
1202
Unbalanced electrical interface digital audio interfacing and
net-works
1483
Unbalanced input
audio transformers
297–298
Unbalanced interface audio transformers
296
grounding and interfacing
1213
Unbalanced line
sound system design
1296
Unbalanced output
audio transformers
297–298
Unbalanced pad
767
Under water loudspeakers
605
Underhung coil loudspeakers
607
UniCam Connector System tool fiber optics
474
Unicast bundles
digital audio interfacing and net-works
1506
Unidirectional microphone
493, 495, 498, 506
Units of Measurement
1647
Units of measurement
1647
%Alcons
1659
abbreviations
1667
absorption coefficient
1660
acceleration.
1652
amplitude
1652
audible frequency range
1679
audio frequency range
1666
audio spectrum
1678
audio standards
1663
average absorption coefficient
1660
capacitance (C)
1650
conductance
1650
critical distance
1658
critical distance modifier (M)
1659
current (I)
1648
decibel (dB)
1655
derived quantities in physics
1648
directivity factor (Q)
1660
displacement
1651
electric capacitance (C)
1650
electric charge (Q)
1650
electric conductance
1650
electric inductance
1651
electric potential difference (V)
1650
electric resistance (R)
1650
electrical power required (EPR)
1660
energy (E)
1649
equivalent acoustic distance (EAD)
1658
equivalent input noise (EIN)
1661
feedback stability margin (FSM)
1659
force (F)
1650
frequency (f)
1651
fundamental quantities in phys-ics
1647
Greek alphabet
1663
inductance
1651
ISO numbers
1662
kinetic energy (T)
1649
Kirchhoff’s current law
1654
Kirchhoff’s laws
1653
Kirchhoff’s voltage law (KVL)
1653
length (l)
1648
limiting distance
1658
loudspeaker sensitivity
1661
luminous flux
1651
luminous flux density
1651
luminous intensity (IL)
1649
magnetic flux
1651
magnetic flux density
1651
mass (M)
1648
max program level
1661
mean-free path (MFP)
1660
molecular substance (n)
1649
multiple and submultiple prefix-es
1647
needed acoustic gain (NAG)
1659
number of open microphones (NOM)
1659
Ohm’s law
1654
phase
1652
phase angle
1649, 1652
phase difference
1652
phase shift
1652
phase velocity
1652
potential acoustic gain (PAG)
1659
potential energy (U)
1649
power (W)
1650
pressure
1650
radio frequency spectrum
1654
resistance
1650
SI system
1647
signal delay
1662
signal to noise ratio (SNR)
1660
solid angle (A)
1649
sound intensity
1651
sound pressure level (SPL)
1657, 1660
sound system quantities
1658
speed/velocity
1651
surface area and volume equa-tions
1678
symbol prefixes
1647
temperature (T)
1648, 1652
thermal noise
1661
Thevenin’s theorem
1653
time (t)
1648
total absorption
1661
U.S. to SI units conversion fac-tors
1666
wavelength (M)
1652
weight
1652
Unity
gain structure
1225
Unity amplification method gain structure
1228
Unity gain Sallen-Key filter filters and equalizers
795
Unity-gain current-summing ampli-fiers
781
Universal Disc Format (UDF) Bridge
optical disc formats
1146
Universal Disk Format (CD-UDF) Optical disc formats
1143
Universal mix buses consoles
978
Universal serial bus (USB) wire and cable
411
Universal winding
audio transformers
282
Unrelated crosstalk consoles
919
Unshielded output transformer audio transformers
283
Unshielded twisted pair (UTP) digital audio interfacing and
net-works
1470
USB
consoles
988
USB microphones
556
consoles
989
User Defined Protocol (UDP) consoles
991
V Vacuum tubes
311
Varactor diode
solid state devices
322
Variable acoustics
acoustics for auditoriums and concert halls
188
Variable Q
loudspeaker clusters
662
Variable Q equalizers
sound system design
1287
Variable reluctance cartridges analog discs
1027
Variable threshold automatic micro-phone mixers
748
Vario-acoustics
acoustics for auditoriums and concert halls
188
Varistors (voltage-sensitive resis-tors)
249
VCA
integrated circuits
341
VCA channel application consoles
939
VCSEL
fiber optics
466
Velocity of propagation wire and cable
421, 424
Vented boxes
loudspeakers
636
Vertical cavity surface emitting la-ser (VCSEL)
fiber optics
466, 483
Vertical resonance analog discs
1033
stylus
1033
Vertical tracking angle analog discs
1025
Vertical woofer arrays loudspeaker clusters
653
VGA
Wire and cable
422
VI meter
fundamentals of audio and acoustics
36
VI meters +4 dBu
997
-10 dBV
997
AES/EBU digital peak meter
1004
analog peak program meter
1004
attenuators
1000
average power
1006
Bit Stream Corruption
1006
British Broadcast Standard
1004
dB FS
997
dBA
997
dBC
997
dBf
997
dBm
997
dBr
997
dB-SPL
997
dBu
997
dBV
997
dbW
997
digital peak program
1004
DIN 45406 Standard
1003
DIN Scale
997
EBU standard
1005
harmonic distortion
998
loudness
1004–1005
loudness meter
1004
Nordic N9 Standard
1004
peak program
1003
persistence
1006
phase correlation meter
1004
phase error
1006
power-level
1003
power-output
1003
relative loudness
1006
SMPTE
1005
spectrum analyzers
1002
surround sound analyzer
1006–1007
Vibration isolation
acoustical noise control
90
Video codecs
optical disc formats
1152
Video Graphics Array (VGA) display technologies
1582
Video triaxial cable Wire and cable
421
Vinyl
wire and cable
405
Virtual Local Area Network (VLAN)
digital audio interfacing and net-works
1496
Virtual pitch
psychoacoustics
57
Virtual reality
acoustical modeling and aural-ization
233
Virtual sound processors virtual systems
1446
Virtual sound systems virtual systems
1452
Virtual Studio Technology consoles
984
Virtual systems
active acoustics
1455
CDRW
1439
CobraNet
1443, 1447
compressors
1439, 1445
consoles
1440, 1445, 1452
crossover
1449
delay
1451
digital audio processors
1445
digitally controlled analog devic-es
1440
digitally controlled digital audio devices
1441
distortion
1442–1443
DSP
1440, 1443, 1447, 1451–1453
DVD
1439
dynamic processors
1439
dynamic range
1442
equalization
1439
ethernet
1448
FIR filters
1454
level control
1439
level matching
1442
loudspeakers
1453
MediaMatrix
1447
microphone
1452
multifunction devices
1444
processing system
1454
Sample Rate Converter
1443
synchronization
1443
virtual sound processors
1446
virtual sound systems
1452
Virtual-earth mixers consoles
910
Virtual-earth mixing buses consoles
932
Viscoelastic
loudspeakers
599
VLSI
DSP technology
1173
Voice coil
loudspeakers
598
Voice evacuation
message repeaters and evacua-tion systems
1526
Voice evacuation/mass notification systems
message repeaters and evacua-tion systems
1526
Voice over IP intercoms
1572
Voice warning horns loudspeakers
613
VOIP
intercoms
1566
Volt
fundamentals of audio and acoustics
32
Voltage amplifier
703
Voltage amplitude gain structure
1227
Voltage coefficient
243
Voltage controlled amplifier (VCA) consoles
936
Voltage controlled amplifiers integrated circuits
342
Voltage controlled crystal oscillator
digital audio interfacing and net-works
1474
Voltage divider
grounding and interfacing
1186
Voltage divider capacitor micro-phone
508
Voltage gain tubes
312
Voltage matching
grounding and interfacing
1186
Voltage ratio
audio transformers
276
Voltage standing wave ratio (VSWR)
relays
377, 385
Voltage-controlled amplifier (VCA)
779
consoles
936
Voltage-controlled-attenuator consoles
900
Volume control
776
Volume indicator (VI) meter
997
VU
Audio and Acoustic DNA
10
VU meter
933
consoles
920
gain structure
1228
VU meters
997
bar graph
1002
characteristic impedance
997
crest factor
999
D’Arsonval meter
1000
D’Arsonval movement
998
dynamic characteristics
998
impedance
998, 1000
Impedance Level Correction
1000
instrument scale
998
line impedance
1001
logarithmic amplifier
1002
meter ballistics
999
moving coil VU meter
998
NTSC
1002
reference levels
1000
sensitivity
998
UREI) Model 970 Vidigraf
1002
voltages at various impedances
1001
volume unit
997
Volume-Unit meter (VU)
998
wide-range
1002
W W.C. Sabine
acoustical treatment for indoor areas
97
Wake-up time consoles
905
Wall caulking
acoustical noise control
77
Wall construction
acoustical noise control
74
Wall materials
computer aided sound system design
1354
Wallace Clement Sabine
14
waterproof wireless microphone systems
563
WAV files
optical disc formats
1135
Wave Acoustics routines computer aided sound system
design
1354
Wave equation
acoustical modeling and aural-ization
225
Wave equation models
acoustical modeling and aural-ization
225
Wavelength