Praat语音学软件，原名Praat: doing phonetics by computer，通常简称Praat，是一款跨平台的多功能语音学专业软件，主要用于对数字化的语音信号进行分析、标注、处理及合成等实验，同时生成各种语图和文字报表。-Praat (also the Dutch word for "talk") is a free scientific software program for the analysis of speech in phonetics. It has been

c++ 的一个单文档测试程序。和水晶报表结合。-c++ a single document test procedures. Combined and Crystal Reports.