NPD first calculates a pitch period through a time_domain principle cycle piker and the estimate is checked by some criterion to ascertain whether it is the true one or not.

 
  • 本基音检测方法是利用汉语语音结构特点,以主循环为基本概念,在时域上处理确定浊音音段的基音,而对清浊不明晰的音段,从时、频域两方面进行基音估算,并设计了基音选择逻辑和清浊音判断逻辑。
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