Dedicated Listening Room

I recall reading somewhere that non parallel walls help with better acoustical properties.
Maybe a bit too late to consider this but it’s possible to do this to an extent while plastering?

I did come across this:

Given that acoustic properties of a listening room is considered the one of most important factor that impacts the reproduction of playback sound this is an exciting project. Please share regular updates on your design choices and progress.

This might be of some use:
 
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I recall reading somewhere that non parallel walls help with better acoustical properties.
Maybe a bit too late to consider this but it’s possible to do this to an extent while plastering?

I did come across this:

Given that acoustic properties of a listening room is considered the one of most important factor that impacts the reproduction of playback sound this is an exciting project. Please share regular updates on your design choices and progress.

This might be of some use:
Thanks for the suggestion.

Just one doubt I have — if the walls are non-parallel, won’t the reflected sound from the speakers reach our ears at slightly different timings? Would that affect imaging or the overall soundstage in a negative way? Or is the benefit mainly in reducing room modes?

At this stage, unfortunately, it’s not practically possible to create non-parallel walls since the room is coming up in the front balcony area and the structure is already defined.

Regarding acoustic plaster, that’s an interesting thought — I’ll check with the contractor to see if that’s feasible and what options are available locally.

Really appreciate the inputs. I’ll definitely keep sharing updates as the build progresses.

Thanks
 
Thanks for the suggestion.

Just one doubt I have — if the walls are non-parallel, won’t the reflected sound from the speakers reach our ears at slightly different timings? Would that affect imaging or the overall soundstage in a negative way? Or is the benefit mainly in reducing room modes?

At this stage, unfortunately, it’s not practically possible to create non-parallel walls since the room is coming up in the front balcony area and the structure is already defined.

Regarding acoustic plaster, that’s an interesting thought — I’ll check with the contractor to see if that’s feasible and what options are available locally.

Really appreciate the inputs. I’ll definitely keep sharing updates as the build progresses.

Thanks
I am definitely not an expert in room acoustics. But my understanding is that all the surfaces (including floor and ceiling) in the room reflect sound. How they reflect and how much they do, matters. Most people who are serious about this measure their room acoustics specially resonances and then add room treatment panels to absorb and or diffuse the problem frequencies.
Given that you know the exact dimensions of your new room and the materials used it may be possible to anticipate and calculate how sound waves will behave in there and tailor accordingly. Example: instead of plastering in the normal way you may want to consider acoustic panels (at least on the ceiling which is challenging to do if the build is already complete.
Since you are doing this as a dedicated audio room it would be good to consider these issues early and not as an afterthought.
 
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