6.30 ears not covered. Listening situation where one or both ears are not covered with an earphone in a supra-aural cushion. Annotation An example of a situation where both ears are not covered would be for...
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...
6.17 combination tone; aural combination tone. Secondary tone that can be perceived when two loud primary tones are presented simultaneously. The secondary tone may be a difference tone or a summation tone. Several combination tones may be produced from a...
6.17 combination tone; aural combination tone. Secondary tone that can be perceived when two loud primary tones are presented simultaneously. The secondary tone may be a difference tone or a summation tone. Several combination tones may be produced from a...
6.16 click. Acoustic signal typically produced by exciting an earphone or speaker with a brief duration electrical pulse. Annotation 1 For an appropriately brief pulse (e.g., 0.1 ms), the acoustic spectrum of a click is...
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