Masking is the process where one sound affects a person’s ability to hear another sound. The masking effect can be total where the masked sound is unheard or partial where only part of the sound signal is heard. The masking can be simultaneous where the sound to be heard and the masking sound are provided at the same ear at the same time, and it can also be nonsimultaneous where the masker either precedes or follows the sound to be heard. The general effect of masking is a raised hearing threshold of the masked signal. This entry provides an overview of spectral, temporal, and informational masking as well as data from related clinical trials.

Spectral Masking

In its simplest form, masking of a pure tone is done ...

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