基音周期的快速检测

A METHOD OF PITCH DETECTION

本文根据汉语基音周期变化的特点,改进了三电平削波周基音期检测法,实现了快速高正确率的四声判别。

This Paper discusses the defects of the method of tri-level centre clipping pitch detection, then poses a modified method according to the Mandarin's variation feature of pitch period, The results of experiment show that it is of high accaracy and efficiency.