Masking
•Loudness perception and sound detection reduced in presence of background sounds
•Types of noise:
     broad band                     narrow band
•
•
•
•
•Noise reduces sensitivity only within limited frequency range
ÞMeasure for tuning width of
auditory neurons
E
f
E
f
 fc: center frequency
 B: band width
(From Sekuler & Blake, 1994)