How to mix in stereo... without sucking in mono (part 1)

Part 1: Toeing The Blumlein

When you pan a mono part left or right you only change the levels feeding the left or right channels, this doesn't introduce any timing or phase differences. Likewise if you record stereo signals with a coincident microphone pair, signals arrive at both microphones at the same time, and in phase.

This avoids the worst possible mono compatibility issues, but still doesn't provide perfect mono compatibility. This tutorial by Dan Worrall shows the pitfalls that remain, and looks at a few ways to use panning and effects to create a sense of width, while mostly following Alan Blumlein's original rules and avoiding any timing differences between the channels.



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