7.14 earmold. Device used to couple an electroacoustic transducer to the ear. An earmold is a prefabricated device that fits in the ear canal of the listener that is typically used with hearing...
7.11 cross spectrum. Product of the complex conjugate of the Fourier transform of the input signal to an acoustical device and the Fourier transform of the output signal. Annotation The cross spectrum is...
7.10 crest factor. Ten times the logarithm to the base ten of the square of the wideband peak amplitude of a signal to the time-mean-square amplitude over a stated time period. Abbreviation, CF; unit, decibel (dB). Annotation 1 ...
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