So in our living room we have a humble 2.2 setup with generally subpar acoustics. We installed relatively thick curtains (the thickest the shop can make them, usually for performance spaces where you want zero light entering) and this thread is basically some rough measurements showing before and after. The curtains cover around 80% of the surface area of an entire wall, this is why the decay times were dramatically influenced, even at frequencies lower than expected. Speakers are flat on-axis with smooth directivity.
The room changes all the time so don't pay too much attention the region below 300Hz. I tried to control the microphone location as best as I can.
Here is a picture showing how thick the fabric in the curtains is
and measurements
Listening impressions were very very positive, however, there are some caveats. Bass ringing is much more obvious now since the mid-range and treble experience that less. I'm probably going to install some bass traps in one of the corners next. Everything with regards to anything in the vocal region from 800Hz and up is incredibly clearer and more intelligible. Overall it's defintely a very positive improvement.
The room changes all the time so don't pay too much attention the region below 300Hz. I tried to control the microphone location as best as I can.
Here is a picture showing how thick the fabric in the curtains is
and measurements
Listening impressions were very very positive, however, there are some caveats. Bass ringing is much more obvious now since the mid-range and treble experience that less. I'm probably going to install some bass traps in one of the corners next. Everything with regards to anything in the vocal region from 800Hz and up is incredibly clearer and more intelligible. Overall it's defintely a very positive improvement.
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