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Not nearly as cool, but about 12 years ago I did a poor man's idea of room correction by recording my own tone sweeps and then creating an EQ profile by hand for my ALSA soundcard via a LADSPA plugin on my HTPC. I couldn't believe the difference, especially how much quieter I could listen to the system and still hear everything. Nowadays this is of course built in to most receivers.

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Any chance you have a write up on this?

Sorry for the late reply, but here is a write up: https://news.ycombinator.com/item?id=22290466

Thanks! Great little read, thinking about trying out something similar.

Fascinating. You're probably aware but room correction has come a long way - I'm particularly impressed with Dirac Live[0], which in my opinion provides significantly better results than Audyssey, YPAO & Co. Personally, I couldn't imagine buying a receiver without it these days.

[0] https://live.dirac.com/overview/

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