Lonely Raven
Seasoned Member
  

Jack of all Trades, Master of None
Posts: 3567
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Big rooms can help, actually, with good speaker placement.
If the reflection time is delayed enough (by distance of a big room), then you're ears have a better chance of discerning first and second reflections from the source sound waves. The 5-12ms we have in our small rooms muddies the images immensely. Get a slightly bigger room where that delay happens to be around the 20-25ms and suddenly the imaging opens up, and the reverb in the recording sounds like it's *in* your room.
When we use acoustic panels (absorption) we are basically deadening those reflections enough where, even if they hit at 5-12ms, our clever brain goes "oh wait, that was too quiet to be the original sound, so I'm going to filter that out so you can focus on the source"
IMHO, I prefer to have all that reflective energy and just delay the reflections (diffusers), but absorbers are a great way of doing something similar on the cheap, and probably while fixing some other issues the room might have.
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