Production sound mixer Richard Ragon explains how sound is recorded and how 5.1 Surround Sound is created in post.


If you are looking on how to record surround sound – Specifically, the actors voices for a film, movie, or show of some sort, I have good news.

Surround sound, specifically 5.1 audio is NOT actually recorded in the field.

“Believe it or not, the human voice does not speak in 5.1, nor stereo either.”

The human voice is actually a mono instrument, and because of this, we are able to place a mono microphone near someone’s voice to pick that recording up.

In fact, each voice recorded on set has it’s own individual track.

There is a way to record multi-track audio, but it is used to record mostly SFX type work. One common example would be a train going by outside. For this you would just use 2-4 matched mics, in close proximity to each other.

It is important to note that 5.1 is a delivery system only. It is created in the post process.

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