基于TMS320VC55x的DTMF收发号器的设计与实现  

Design and Implementation of DTMF Transceivers Based TMS320VC55x

作　　者：肖继军 

机构地区：[1]北方联创通信有限公司,江西南昌330096

出　　处：《科技广场》2016年第8期78-81,共4页Science Mosaic

摘　　要：本文通过对DTMF信号的收发原理进行研究,提出了一种基于TMS320VC5509A数字信号处理器实现DTMF收发号器的方法。该方法具有容量大、成本低、灵活性好等优点,已在多款通信产品中得到了应用。该技术可靠性高、稳定性好,同时能够显著降低成本,具有一定的推广和应用价值。Through a study on the principle of DTMF signal transceiver, the paper proposes a method for implementing the DTMF transceiver based on the TMS320VC5509 A digital signal processors. The method has characteristics of large capacity, low cost and flexibility, which has been used in a variety of communications products. The technique is reliable and stable while significantly reducing costs, which is of certain value for promotion and application.

关 键 词：DTMF GOERTZEL算法 TMS320VC5509A 

分 类 号：TN919[电子电信—通信与信息系统]