6.25 critical ratio for masking (Fletcher critical bandwidth). For a pure tone just audible in the presence of a continuous noise of constant spectral density, the ratio of the mean-square sound pressure of the tone to the noise spectral density . Unit,...
6.24 critical band. (a) For loudness, that frequency band within which the loudness of a band of continuously distributed sound of constant sound pressure level is independent of its bandwidth (see also 6.31); (b) For masking (see C11.31), that frequency...
6.23 contralateral masking. Decrease in the detectability of a signal presented to one ear due to the simultaneous presentation of a sound to the other...
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