Is the call authentic?

On June 8, 2024

In this post we do not want to discuss fraud related issues like impersonation and deepfake. We will discuss legitimate scenarios in which, for example, the call center agent might not hear the original voice of the customer but a slightly different voice due to audio filtering and specifically due to aggressive noise cancelling software. […]

Echo cancellation and public address systems

On January 13, 2017

Background When you hear the words echo or echo cancellation, you probably imagine a scenario in which two people are talking over the phone and one of them hears his/her echo. Indeed this is the most common scenario in which echo appears and echo cancellation mechanisms are being used. In this post we would like […]

Echo in Public Address systems – additional considerations

On January 16, 2016

Background This post is a continuation to our previous post on AEC and Public Address systems. This post elaborates on additional considerations that should be reviewed when implementing and tuning acoustic echo cancellation software in PA systems. After analyzing relevant case studies, out of many important considerations, we have selected the below ones.

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