uDEFINITION:
one tone is rendered less perceptible by another auditory stimulus.
uTone Masking
llow tones will mask
higher tones better.
ldue to shape of
traveling wave (skewed towards base, higher
frequencies).
uNoise Masking
lNoise is sound
energy that lacks coherence.
lBeyond a point
adding more frequencies to the noise does not increase masking.
lCritical bands: region of basilar membrane where sound energy is summed together.