pb+sql server写的听力诊断系统,可在医院使用,实现自动诊断(开发环境PowerBuilder 9.0)-pb sql server written in hearing diagnostic systems, and can be used in hospitals, automatic diagnosis (9.0 PowerBuilder development environment)

新托福听力考试相关背景资料，包括美国地名，州名，刊名，以及美国常用的代名词等-The new TOEFL listening test relevant background information, including the United States place names, state name, title, and the United States and other commonly used synonym for

声学滤波 基于octave filter bank的语音特征提取及滤波，用于辅助听力器材设计 -Acoustic filter characteristics octave filter bank based speech extraction and filtering design for assistive listening devices

我整理的英语考级资料，听力、笔试考试技巧及注意事项-I sort of English Grading information, listening, written examination techniques and precautions