语言学习系统的语音子系统设计

The Design of a Speech Sound Subsystem for the Language Learning System

本文提出了一种在语言学习系统中运用,能适合微电脑控制的语音信号切换开关阵列。介绍了满足语言学习系统要求的语音放大器的设计。同时解决了模拟开关应用于控制较大幅度无直流成分信号存在的问题。

As a subsystem in a language learning system,an array of speech sound signal aswitch unit suitable for microcomputer control is put forward in this paper.The design of a speech sound AF ampli- fier met the needs of language learning system is described.To the control of signals with fairly large amplitude and without DC element,the problems arising from apply analog swi()h are solved.