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...
6.29 ears covered. Listening situation where both ears are covered simultaneously by earphones mounted in supra-aural cushions held in place by a headband.
6.26 difference tone. Combination tone (see 6.17) with a frequency equal to the difference between the frequencies of two primary tones or their harmonics. Unit, hertz...
Recent Comments