说明：  本文章讲述的是一种语音信号的实时采集及回放系统的设计，本文中介绍的系统有ADSP-BF531和AIC23数模模数转换器构成。
(This article is about a real-time speech signal acquisition and playback system design, the system described in this article are the number of ADSP-BF531 and AIC23 ADC module form. )