Echo Cancellation, Art or Science? Part I

On November 18, 2016

Background First, let us apologize that this post is going to be a bit technical. Don’t worry we will try to keep it as simple as possible. Echo cancellation, and more specifically Acoustic Echo Cancellation (AEC) is theoretically a very simple algorithm. The AEC algorithm receives a reference signal (i.e. the audio played to the […]

Isolating the audio in VoIP networks

On March 2, 2016

Background In this post we would like to share with you a rare phenomenon we have seen in few sites that once it appears, it can cause a head ache to the network administrator. As opposed to the old telephony networks that was based on dedicated physical cables per call, usually twisted pair, the cables […]