crossing-over rate

Short-time logarithm energy with a constant has be used in the place of short-time energy of classical arithmetic in this article. The quotient and product of short-time energy and short-time zcr ( zero crossing rate) are basic parameters of the arithmetic.

本文以带常数的对数短时能量代替传统的短时能量，以短时过零率、短时能量之商、积作为端点检测算法中参量。

Based on traditional attenuation factor method, the short-term energy and the short-term zero crossing rate of the speech signal is used to dynamically revise the mixing factor in the proposed method.

该算法在传统的混音衰减因子法的基础上，采用短时能量及短时过零率对混音的衰减因子进行动态修正。

We used the AEQ method based on zero-crossing rate to control acoustic feed-back. 4.

用基于过零率的AEQ方法进行声反馈控制。

The stability against playback speed modification of ZCR ( zero-crossing rate) of audio signal is confirmed by theoretical analysis and experiments.

分析并通过实验验证了音频信号的过零率对回放速度修改这种去同步攻击的稳定性。

And it searches much further for the unvoiced frame according to the ZCR ( zero crossing rate), which is differ from unvoiced frame to background frame.

根据背景音和静音过零率的不同，进一步搜索符合要求的静音帧；