Hello Guys, My project is Voice & Data Multiplexing using TDM , I found a Circuit Diagram of the above project, the circuit is for Analog TDM using Analog MUX CD14051, I want to obtain Voice from SoundCard of my computer and also Data from Parallal/Serial PORTs, but my concern is to get analog Data as the MUX is analog, the question is that. Can i obtain Analog data from any Computer port ? If yes than How............ Plz help me Thanks