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Voyacheka table of words

Voyacheka the table of words (V. I. Voyachek, the Soviet otorhinolaryngologist, 1876-1971) – the table including the words applied to a research of perception of the shepotny speech, divided into two groups: The I group – the containing low-frequency sounds which perceive 5 m from distance; II – the containing high-frequency sounds which perceive 20 m from distance.

 
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