Voice Processing Unit vs. Remote I/O

edited July 2013


I am building a telphony app and notice that the voice processing unit seems to color the audio in a particular way compared to the remote i/o unit. Does anyone know exactly what signal processing is going on inside the Voice Processing Unit. Our goal is to have the same frequency characteristics of the Remote I/O unit but utilize the echo cancellation of the Voice Processing Unit. Is there a way to accomplish this?



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