零积 meaning in English
nil product
null product
Examples
- On the basis of analyzing noise property , this thesis emphasizes on two noise estimation methods : classical method based on voice activity detection ( vad ) and the latest method based on optimal smoothing and minimum statistics . some improvements have been proposed to enhance the vad ’ s performance based on lpc cepstrum coefficients
2 .在分析噪声特性的基础上,重点研究了基于语音活性检测和基于连续更新噪声谱的两种噪声参数估计方法,并提出了将能零积的思想应用到基于lpc倒谱系数的语音活性检测算法中。