陈理,杨雪梅,毕春艳,陈莹莹

• 1:四川大学锦江学院

摘要(Abstract)：

为了提高语音识别的精确度,提出一种将子波方差分析手段应用于基音检测的改进基音检测算法。该算法选用Daubechies子波把信号分解到适当尺度,然后再利用墨西哥帽子波进行子波方差分析;结合子波尺度与波长关系,能够精确地定位基音周期的数值。将其应用于汉语声调的检测中,仿真结果表明,该算法可以根据实际要求调整扫描尺度的精度和范围,具有可调节性。

关键词(KeyWords)： 子波方差;尺度波长;子波能量;基音检测;声调识别;语音识别算法

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 陈理,杨雪梅,毕春艳,陈莹莹

DOI: 10.16652/j.issn.1004-373x.2018.10.043

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