Abstract:In view of its bearing on the design of ground noise reduction systems, a study was undertaken, to determine how sudden or rapid are the increases in amplitude of the speech sounds that must be recorded in dialogue. A large number of oscillograms were taken, a number of which are reproduced herewith. The most important observation is that the human voice can start several of the vowel sounds in such a way that the first wave is from 40 to 80 percent of the final amplitude, or in other words with a suddenness c… Show more
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