[sdiy] THAT2180A

Brian Willoughby brianw at audiobanshee.com
Tue Dec 1 01:07:20 CET 2020

Apple macOS CoreAudio includes a 3D mixer that uses time delay as well as attenuation when moving source audio around in surround space. They might even have an HRTF (Head-Related Transfer Function - the "EQ" that you refer to) among the options. The 3D mixer allows targeting two speakers, or headphones, or a whole set of speakers - with adjustments made for the relative placement of those speakers.

I don't know whether any consoles offer what Apple offers in CoreAudio. You'd certainly need some way to select between headphones (discrete channels) versus speakers (each ear hears every speaker) for proper processing.


On Nov 30, 2020, at 00:21, Mattias Rickardsson <mr at analogue.org> wrote:
> (Do professional panning products (mixing consoles, DAWs, etc) EQ the left/right signals differently when off-center, or is everyone still using pure level controls?)

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