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do I need to address low freq decay?

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Jan 26, 2020
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How much does reducing reverb/decay matter at low-frequencies? From my understanding of the below paper, it’s hard to identify differences in decay times/reverb at low frequencies (100Hz and lower). Research paper suggests long decay times (well over 1 second) can’t be distinguished from shorter times at low frequencies. If that’s the case, what’s the use of using thick (very thick) bass traps to reduce low-freq decay?

Research paper: "Perception of Temporal Decay of Low-frequency Room Modes"

https://assets.ctfassets.net/4zjnzn...04_karjalainen_antsalo_makivirta_valimaki.pdf

Also,

Can changing the subwoofer location help with decay times/reverb for the desktop setup?

Does using dual subs help with low-end decay times?
 
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