On Tue, 16 Feb 2021 06:20:22 -0800 (PST), Ty Ford
wrote:
Most rooms have nodes that peak or dip at certain frequencies. That's normal. I happened to show up at a motel in LA once where there was an AES meeting. They put a big bin speaker on wheels and moved it around the room. They'd put it in one place and play a low tone, then either change the frequency or change the position of the speaker. You could walk around in the room and hear the nodes and that they'd moved after frequency or position had been changed.
I have a spot in my studio that I use to check low end, If the bass is woofy or pillowy there, I know I need to EQ or process the low end differently.
Peaks are necessarily quite small and only really occur in a room that
is plagued by large dips. My listening room started out with low end
dips of around 30dB. Judicious placement of absorption and diffusion
have dropped that to about 10dB in the worst spots. Trying to do
better than that meant the room started to approach anechoic, and that
is no use. But as it is there is nowhere in the room that I actually
lose any bass notes.
d
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