It is always a fun experience to stand on a large hillside or canyon and yell a single word at the top of your voice to hear it come back to you a second later. We call this an echo, but what is really happening? Sound travels, or propagates, through air at about 340 meters per second (1115 feet per second). If you are yelling toward an object that is about 500 feet away and the surface is hard enough to reflect the sound back to you, you will hear it about a second after you initially yelled. Understanding this.

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Over the last year most of us have become quite accustomed to attending online meetings with video. Usually these have involved multiple attendees signing in on their devices and using the device’s built-in camera. This type of video conferencing system requires virtually no control of the camera by the user. Many of us have also attended other streaming events where there were multiple cameras in operation, such as church services or large conferences. The systems that handle this type of video control and switching are vastly more complicated than what we have experienced on our home systems in many ways..

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For the those working remotely, everything you need to accomplish your Zoom/Teams/Google meetings is right there on your laptop. Microphones, speakers, camera –it’s all right there. Sure, occasionally you have to deal with noisy lawn mowers, barking dogs or some other outside interference, so you go get yourself a headset and you are good to go. But people are starting to get back to conference rooms, board rooms and training rooms. In these types of spaces all of the pieces that make the conferencing system work are separated by some distance. You have a camera mounted above a display on.

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