engleski

Rate of Change Distortion measurements in Loudspeaker Systems

Loudspeaker system distorts transient signal of speech and music. Normalized rate of change (NRC) of reproduced sound pressure depends of spatial ratio between sound source and listeners ear, spectrum and amplitude of reproduced signal. To measure dynamic nonlinear distortions of loudspeaker composed audio test signal (CATS) was developed, which has similar characteristics to the ones of speech and music. The rate of change of the reproduced signal was measured statistically with help of probability density function (PDF).

rate change distortion; loudspeaker

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