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语音标注工具：Praat
2022-06-29 07:04:00 【u013250861】
Praat脚本具有强大的功能，对语音文件标注完成后，下面的任务就是把成百上千的语音文件中的参数提取出来，最基本的就是时长，和基频，其它还有元音可能要提取共振峰，如果对这些文件全部手工提取，工作量可想而知，而使用Praat脚本即可以批量提取，便于统一整理。这里先介绍如何提取时长和基频的脚本，随后以如何绘制汉字声调图为例，说明一个小的应用。
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