基于数字音乐编辑器的虚拟听力测试系统

A Virtual Hearing Testing System Based on the Digital Music Editor Softrware

本文介绍了利用数字音乐编辑软件"Cool Edit Pro 2.0",设计虚拟听力测试系统的方法。该系统的优点是信号频率可任意设定,信号强度动态范围可达80dB,分贝值读数精度可达0.dB,可进行单通道或双通道的各种测量,还可利用同台计算机进行数据处理、作图等。

The digital music editor software'Cool Edit Pro 2.0'is used to design a virtual hearing testing system.This system has followering advantages.Fist,its signal frequency can be set at will.Second,its dynamic range of signal intensity can reach up to 80dB.Third,the measuring accuracy of decibel value may reach 0.1 dB.Forth,the system can be used in single and dual channel measurements.Last but not least,it can carry on data processing and drawing along with the same computer.