Index 1695
fiber optics 454
Angular directivity gain
computer aided sound system
design 1356
Angular directivity ratio
computer aided sound system
design 1347, 1356
Angular range of uniform irradia-
tion
acoustics for auditoriums and
concert halls 181
Annoyance factor
what’s the ear for? 1637
ANSI S3.5 1997 1409
Antenna cables
microphones 569
Antenna splitters
microphones 570
Antennas 560
assistive listening systems
1550
fundamentals of audio and
acoustics 28
microphones 568
Anti-alias filter
delay 812
Anti-aliasing
delay 811
Anti-aliasing filters
consoles 956
Anti-imaging
delay 811
Antiskating force
analog discs 1025
Aperture time
delay 812
Applications for personal monitors
Personal monitors 1425
Applications of diffusion
acoustical treatment for indoor
areas 120
Architectural acoustics 190
fundamentals of audio and
acoustics 28
Arithmetric symetry
filters and equalizers 785
Array height versus wavelength
loudspeaker clusters 659
Array lobing
computer aided sound system
design 1378
Art Davis 14
Arthur Edwin Kennelly 7
Arthur Fleming 8
Articulation Index (AI)
designing for speech intelligibil-
ity 1391, 1404, 1409
loudspeaker clusters 654
Articulation loss
acoustics for auditoriums and
concert halls 156
Articulation loss of consonants
designing for speech intelligibil-
ity 1396
Artificial ambience
sound system design 1328
Artificial head systems
microphones 553
ASHRAE 90
Aspect ratio
display technologies 1581
Assisted resonance
acoustics for auditoriums and
concert halls 192
Assistive Listening Devices (ALDs)
assistive listening systems
1545
Assistive listening systems
AM broadcast 1551
Americans with Disabilities Act
(ADA) 1545
antennas 1550
Assistive Listenig Systems
(ALSs) 1545
Assistive Listening Devices
(ALDs) 1545
carrier current antenna
Carrier current antenna
assistive listen-
ing sys-
tems
1552
electronic system 1549
field distortion 1548
field strength 1547
FM broadcast 1550
hearing aid response 1546
hearing impaired 1545
induction loop system 1550
inductive reactance 1548
infrared control transmitter
1553
infrared link 1553
infrared slave emitters 1553
infrared systems 1552
infrared systems channel alloca-
tion 1555
infrared systems modulation
technique 1555
IRLED transmitting diode
1554
large area multi-channel systems
1553
large area systems (LAS) 1553
light emitting diode (LED)
1553
light spectrum 1555
loop impedance 1548
lossy coaxial cable antenna
1552
Low Power Radio Services
(LPRS) 1550
magnetic field strength 1546,
1548
magnetic induction loop system
1546
magnetic induction loops 1546
medium area systems (MAS)
1553
multiple-loop current flow
1548
National Association of the Deaf
(NAD) 1545
normalized field strength 1547
open wire antenna 1552
personal listening systems
1553
sensitivity of the eye 1554
T-coil 1546
T-coil hearing aids 1551
Wheeler’s equation 1549
wire data 1550
wireless IR system receiver
1557
Assistive Listening Systems (ALSs)
Assistive listening systems
1545
Astigmatism
optical disc formats