Loudness Perception
(From Sekuler & Blake, 1994)
Loudness:
subjective perceptual experience
Û
SPL: physical stimulus strength
•
Measurement:
–
Magnitude estimation
–
Loudness matching
Þ
Equal loudness contours
•
Power law:
L
~ SPL
0.67
•
Unit:
Phone
1
phone
=
1dB
SPL
for
f
=
1000
Hz