Many studios are designed with wood floors as it preserves a sense of diffusiveness. I emailed Gerald LeMay about this and this is the response I got: "It's not typical to design a theater without carpeting but that’s not because its bad. However, technology has advanced so much in the intervening years, and with so many more speakers, I felt it was time to move on - thus using Quest Acoustical Interiors and Gerald LeMay. In my theater 1997 until now, I had carpeting, and I used Michael Green acoustical products which were ahead of their time to ensure a good mix of absorption vs diffusion. We really haven't got to the flooring yet and I simply assumed we would use carpeting and the acoustics design would account for that to ensure no overdamping. So thank you! (Even though I was right that traditional mixing studios do tend to be dead acoustically - whereas traditional recording studios also have a separate live room for recording.) My theater renovation and upgrade has been plodding along slowly but in stages especially with the pandemic. You got me thinking and have done me a real service. Mashie, first of all, even in my theater, prior to teardown for remodeling, the carpet was thin not thick to get stuck in! We don’t need a wide band absorber on the floor so there’s no need to go overboard with the thickness." A fibrous pad is usually spongy and can put stress on the carpet weave as you step on it potentially pulling the weave apart and shortening the life span of the carpet. I would listen to your carpet expert on the best combination of pad and carpet. One word of caution a thicker fibrous pad is the most expedient way to improve the absorption coefficient of the carpet (assuming the carpet doesn’t have a plastic backing blocking the air). Most carpets are not good absorbers other than the higher frequencies. The key is choosing a thicker carpet or a thicker pad that allow air to move through them to enhance the bandwidth and effectiveness for sonic absorption. His more thorough description of an acoustical carpet versus a sound isolation carpet is valid to me. Does this change your carpet advise for me theater at all?Ī: "I see no conflict with Arts’ advice. If he can find it, a good horse hair or felt pad would be best.” However, I read the following by Art Noxon, Acoustical Sciences Corporation: Acoustic Carpets for High End Audio Applications | Acoustic Sciences Corporation This got me thinking that I need to make sure Gerry realizes my theater does not require floor soundproofing, as the theater is a one story addition onto my existing home, as the article discusses soundproofing vs sound conditioning. The foam pads have cells or internal pores but they are not open air. I don’t recommend a foam pad, rather a textile pad that is porous. Q: Previously, you advised: “The carpeting should have a fabric backing as opposed to a sealed plastic or vinyl backing. Here's additional info/correspondence I've had with Gerald Lemay of Quest regarding the carpet for my theater:
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