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Voiced/unvoiced decision using sequential decisions
Voiced/unvoiced decision using sequential decisions
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机译:使用顺序决策的浊音/清音决策
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摘要
Speech signal is decided voiced or unvoiced by a sequence of unilateral decisions: a first test decides "unvoiced" if standardized energy E.sub.s is below a threshold, or "ambiguous" if above the threshold whereby a second test decides "unvoiced" if the number of zero crossings ZC is above a threshold, and ambiguous if below the threshold. Up to six criteria may be so tested as ambiguous before a "voiced" decision is made.
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