Gular musculature, biosonar beam formation, 140
Habitat, and cochlear structure, 97-98
Habitat, and sound frequency, 97-98
Hair cell, number, 275-276
Harbor porpoise (Phocoena phocoena), I,
44
acoustic fovea, 89
audiogram, 5ff, 338-339
basilar membrane width/thickness, 88
binaural hearing, 69
biosonar signal production, 124, 370,
373
burst pulses, 24
cochlear dimensions, 82
cochlear structures, 80-81
echolocation, 98-99, 185-186
epiglottic spout, 121
frequency spectrum of biosonar signals,
117
frequency-place map, 99
hearing, 53
psychoacoustics, 53
scala vestibuli, 97
sound production, 48, 136
sound source localization, 346-347
spiral ganglion cell number, 92-93
tympano-periotic complex, 66-67
vocalizations, 184
Harbor seal (Phoca vitulina), vocal learning,210
Hawaiian spinner dolphin (Stenelia longirostris), 16, 18,22, 120
burst pulses, 22-23
social sounds, 16ff
Head anatomy, sound production, 126ff
Hearing, auditory filter shape, 317-319
baleen whales, 192
bats, 157
effects of water depth, 6ff
fish, 164
frequency range, 276-277
frequency tuning, 317-318
in mysticete, 8ff
in utero, 273
loss, 345
low frequency, 321
pan bone, 59
Index
479
relationship to body size, 208-210
sensitivity and temporal summation,
342ff
thresholds and auditory brainstem response, 319ff
tuning curves, 317-318
Hector's dolphin (Cephalorhyncius hectori), 10
biosonar signals, 371
nose, 123
vocalization, 10
Helicotrema, 96
Helmholtz resonance, 454
blue whale sound production, 441-442
Hensen cells, 83
Hollow cylinders, echolocation performance, 390-391
Horsehoe bat (Rhinolophus ferrumequinum),98-99
vocal learning, 211
Humpback whale (Megaptera novaeangliae)
acoustic playback, 8-9
advertisement display, 195
basilar membrane length/thickness, 87
cocWear dimensions, 82
periotic anatomy, 60ff
scala vestibuli, 97
social bonds, 174
song 28ff, 193ff
vocalization, 3-4, 193ff
Impedance
defined, 46
head structures, 136
middle ear, 71
Impedance transformation, cetacea, 71
Impulsive sounds, 109ff
Infant behavior, 171-172
Inferior colliculus, 93, 279, 317
Infrasonic, hearing, 56
Infrasonics
cochlea, 88-89
elephants, 55
mysticetes, 54, 99
Inner ear, structures, 77ff
Inner hair cells, 83, 93
Intensity detection, 46
Intensity discrimination, 53
Habitat, and cochlear structure, 97-98
Habitat, and sound frequency, 97-98
Hair cell, number, 275-276
Harbor porpoise (Phocoena phocoena), I,
44
acoustic fovea, 89
audiogram, 5ff, 338-339
basilar membrane width/thickness, 88
binaural hearing, 69
biosonar signal production, 124, 370,
373
burst pulses, 24
cochlear dimensions, 82
cochlear structures, 80-81
echolocation, 98-99, 185-186
epiglottic spout, 121
frequency spectrum of biosonar signals,
117
frequency-place map, 99
hearing, 53
psychoacoustics, 53
scala vestibuli, 97
sound production, 48, 136
sound source localization, 346-347
spiral ganglion cell number, 92-93
tympano-periotic complex, 66-67
vocalizations, 184
Harbor seal (Phoca vitulina), vocal learning,210
Hawaiian spinner dolphin (Stenelia longirostris), 16, 18,22, 120
burst pulses, 22-23
social sounds, 16ff
Head anatomy, sound production, 126ff
Hearing, auditory filter shape, 317-319
baleen whales, 192
bats, 157
effects of water depth, 6ff
fish, 164
frequency range, 276-277
frequency tuning, 317-318
in mysticete, 8ff
in utero, 273
loss, 345
low frequency, 321
pan bone, 59
Index
479
relationship to body size, 208-210
sensitivity and temporal summation,
342ff
thresholds and auditory brainstem response, 319ff
tuning curves, 317-318
Hector's dolphin (Cephalorhyncius hectori), 10
biosonar signals, 371
nose, 123
vocalization, 10
Helicotrema, 96
Helmholtz resonance, 454
blue whale sound production, 441-442
Hensen cells, 83
Hollow cylinders, echolocation performance, 390-391
Horsehoe bat (Rhinolophus ferrumequinum),98-99
vocal learning, 211
Humpback whale (Megaptera novaeangliae)
acoustic playback, 8-9
advertisement display, 195
basilar membrane length/thickness, 87
cocWear dimensions, 82
periotic anatomy, 60ff
scala vestibuli, 97
social bonds, 174
song 28ff, 193ff
vocalization, 3-4, 193ff
Impedance
defined, 46
head structures, 136
middle ear, 71
Impedance transformation, cetacea, 71
Impulsive sounds, 109ff
Infant behavior, 171-172
Inferior colliculus, 93, 279, 317
Infrasonic, hearing, 56
Infrasonics
cochlea, 88-89
elephants, 55
mysticetes, 54, 99
Inner ear, structures, 77ff
Inner hair cells, 83, 93
Intensity detection, 46
Intensity discrimination, 53