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General Asylum General audio topics that don't fit into specific categories. |
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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: Diffusion over the listening position posted by Bigby on July 13, 2015 at 20:10:12:
Your biggest problem is the 8 foot ceiling. I suspect that isn't going to change, though.
If you want to make the room sound larger, making it more dead is not the way to go. That will make it sound smaller. And diffusion won't help, either.
Diffusion is a whole 'nuther issue. The purpose of diffusors is to scatter the sound when the surfaces of a room, or its furnishings, don't adequately do the job. Even then, "which" diffusors to use is important. The size and depth of the wells in a pre-built diffusor will affect some frequencies and not others. This is because of the different wavelengths at various frequencies. For example, a 100 Hz tone won't even see a three-inch diffusion well.
People who advocate "treating" the first reflection points are often misguided. The "first reflection points" make the soundstage wider and taller. Our ears and brain integrate sound which arrives within several milliseconds into one cohesive sound. If you want to widen your soundstage, keep the first reflections.
To sum up, diffusors and absorbers are two different things. If you want a larger sounding room, diffusion "may" be good, absorption is not good.
For folks who want to learn more, most of this is discussed in detail in Everest's "Master Handbook of Acoustics" and in Knudsen & Harris's "Acoustical Designing in Architecture".
:)
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Follow Ups
- RE: Diffusion over the listening position - Inmate51 10:02:48 07/16/15 (1)
- RE: Diffusion over the listening position - Dave_K 17:10:53 07/16/15 (0)
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