一种基于DSP的多功能数字留言电话系统设计

System Design of Multifunctional Digital Leave Word Call Based on Digital Signal Processor

给出了一种基于DSP技术实现的多功能数字留言电话的系统设计方法。设计,采用了DSP、语音编码、ACM,FlashMemory,RS-232串口通信、数据加密等技术,充分考虑到不同用户的需求,设计出了具有多功能的电话系统。

The article introduces a new method of implementing multifunctional digital leave word call based on digital signal processor.We used some new technique such as digital signal processing,speech coding,audio compression manager,flash memory,RS-232serial communica-tion,data encrypt and so on in designing the system.The multifunctional telephone we developped can be widely used by most consumers.