Abstract
Since the 1970’s the present authors have conducted a series of experiments on the effect of envelope patterns on a subjective impression of sounds and a model of dynamic hearing characteristics was proposed on the basis of the results of these experiments. The present investigation was designed to examine the effect of envelope pattern on the impression of sound quality. Three kinds of envelope pattern were used; they were sounds with short rise time and long decay, sounds with long rise time and short decay, and steady state sounds. The duration of each sound was 125, 250, and 500 ms. In total, nine kinds of sound were prepared. The sound was repeated with silent intervals and the total duration was 5 sec. The sound quality was judged using a semantic differential and a paired comparison. It was found that the envelope pattern has a significant effect on the impression of pleasantness and the duration of the sound on the impression of sharpness and articulation.
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