基于ISD1420的高响度语音电路设计  

Design of a High Volume Voice Circuit Based on ISD1420

作　　者：李平[1] 李亚荣[1] 关天民[1] 

机构地区：[1]大连交通大学,辽宁大连116028

出　　处：《仪表技术》2005年第1期75-76,共2页Instrumentation Technology

摘　　要：介绍一种语音电路的设计,说明了设计原理及控制方法。该环节利用语音存储/再生芯片ISD1420、BTL功率放大电路 及扬声器构成大功率语音电路,由单片机根据主控PLC的命令进行发声控制。Introduced the design principle and control method for a voice circuit in the training equiment. Here, the large power voice circuit consisted of voice record/playback chip ISD1420, BTL power amplifier and loudspeaker. The single-chip computer received information from the main PLC and controled this part.

关 键 词：语音存储/再生芯片 BTL电路 单片机 

分 类 号：TN873[电子电信—信息与通信工程]