介绍了在数字语音通信中, 利用在系统可编程技术和复杂可编程逻辑器件CPLD, 实现了数字语音的复接和分接

对于其中的单稳态电路的数字化和数字锁相环提取位同步信号也进行了详细的设计说明。实际应用结果表明, 系统工作稳

定可靠, 设计是成功的。-Describes the digital voice communications, the use of in-system programmable technical and complex programmable logic device CPLD, to achieve the digital voice multiplexer and demultiplexer　for the single steady state in which the digital circuit and digital phase locked loop extraction bit synchronization signals are also carried out a detailed design specification. The practical application results show that the system works stable and reliable design is successful.