1756 Index
microphones 578
Reflection free measurements
test and measurement 1614
Reflection free zone
small room acoustics 141
Reflection manipulation
small room acoustics 138
Reflective data pit surface
optical disc formats 1134
Reflectogram
acoustical modeling and aural-
ization 221
computer aided sound system
design 1376
Refraction
acoustical treatment for indoor
areas 120
fiber optics 454, 483
Refractive index
fiber optics 455, 483
Register balance measure BR
acoustics for auditoriums and
concert halls 162
Regulated power supplies 677,
679
Related crosstalk
consoles 919
Relative loudness
fundamentals of audio and
acoustics 36
VI meters 1006
Relative phase
fundamentals of audio and
acoustics 31
Relay layouts 374
Relay loads 378
Relays
ac 380
ac differential 381
bifurcated contacts 377
bistable magnetic latching 380
bounce 383–384
capacitive loads 379
consoles 850
contact arrangements 378
contact bounce 378
contact characteristics 377
contact current 377
contact resistance 383–384
contact resistance stability
(CRS) 381
darlington circuit 390
dc 380
dc loads 379
differential polar 381
DIP 374
direct-coupled solid state 390
dry reed 381–382
dry reed switches 387
dual-coil latching 380
dv/dt transients 389
effects of various loads 379
electromagnetic interference
(emi) 379
electromechanical 379
environmental temperature ef-
fects 382
glossary of terms 374
high peak transient-voltage pro-
tection 389
high speed switching 386
high transient voltages 377
high-surge current protection
389
inductive loads 379
insertion loss 385
isolation 385
j-bend 386
latching 376, 380
layout 374
leadless 386
loads 378
low load current protection 390
low-level logic switching 382
magnetic field 380–381
magnetic interaction 381
make-or-break current 377
marginal 380
MEMS switches 387
mercury-wetted contact 381,
384
mercury-wetted reed 384
metal-oxide varistors (MOV)
389
momentary actuation 392
motor loads 379
Mu-metal 382
nontotalizer 391
on-delay 391
operate time 383optically coupled solid-state
390
polarized 380
programmable time delay 392
quick-operate 380
reed 381
reed packages 383
release time 383
return loss 385
rf 384
rf coaxial shielded 384
rise time 385
sensitivity 383
short-circuit protection 389
SIP 4 Pin 374
skin effect 386
slow operate 380
solid-state time-delay 391
static contact resistance (SCR)
381
surface mount 386
totalizer/preset counter 391
transformer-coupled solid-state
390
types of time-delay relays 391
voltage standing wave ratio 385
Release time
consoles 901
relays 376, 383
Release voltage
relays 376
Remanence
remanencerecording 1066
Remote control pulses
digital audio interfacing and net-
works 1477
Remote Mic-Kill
intercoms 1575
Remote sensing
power supplies 681
Repeat coil
audio transformers 300
Repeaters
fiber optics 469, 483
Reservation packets
digital audio interfacing and net-
works 1505
Resetting functions
consoles 946
Residential intercom systems