Tag Archives: echo cancellation

Church Meeting Broadcast – improvement iterations

I blogged previously about the setup for broadcasting church meetings. And again about some alternatives. But in the interest of trying to make improvements, I am still working to make the church meeting broadcasts better. This is an update from February 2021 to catch some of the changes that have gone on so far this year, including adding a on-podium microphone.

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Basics of Echo Cancellation

There is some cool math and lots of advanced stuff going on in echo cancellation, but for this post I’ll just talk about some basic concepts and what you can do to make it work better if you ever need it.

Back when I worked on a telepresence product I got to play at being an audio engineer. Not that I was really great at it, but I got to work with some engineers who were really, really great at it, which made it fun and educational. So I want to write down a few things to share that I learned that may even be useful to remote workers trying to get the best out of their video conference sessions.

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