基于MSP430F149数字语音记录仪设计  

Digital Voice Recorder Designed Bsaed on MSP430F149

作　　者：刘晓东[1] 张歆[1] 张小蓟[1] 

机构地区：[1]西北工业大学,陕西西安710072

出　　处：《电声技术》2007年第5期40-41,45,共3页Audio Engineering

摘　　要：介绍了一种基于单片机MSP430F149、语音信号处理DSP芯片D6571E11及大容量闪存进行语音编码压缩存储的数字语音记录系统。采用低功耗单片机及大容量存储器使系统可连续记录14h以上的语音信息,并且可自动存储语音记录起始时间信息,便于用户查阅和管理。A digital voice recorder based on MSP430F149 SCM, speech signal processing chip D6571E11 and large flash memory are presented. Because of the low power consumed by single chip and large memory for recording, the voice recording time is more than 14h. And the beginning time of voice recording is also stored in the flash memory.

关 键 词：MSP430F149 D6571E11 大容量闪存 数字语音记录 

分 类 号：TN912[电子电信—通信与信息系统]