I'm having a problem with a 5'x6' standard double glazed window (1/8" glass). The sucker rings at midrange frequencies. Yech! I've tried putting powerful 2" magnets on both sides to keep it from resonating (little help), I have thick velvet curtains with backing on them in front (still rings). The people who install plastic films on windows doubt it would help. I'm talking to the window people about getting laminated glass replaced in - but that will likely be costly. I don't know about the Marigo dots - can't imagine they would be much better than the magnets. This could be an expensive fix, as the glass they use is thin enough to be like a drum membrane.
Wooden blinds vs cellular shades for acoustics
Standard old school advice for large window acoustical treatment seems to be "heavy draperies". Some cellular shades (Hunter Douglas, Bali) have high factory-rated NRC (0.60 or better). That's about the same for what little I've found for draperies.
Recently, I heard that partially-open wooden blinds are best for acoustics, acting through diffusion, rather than absorption. Opinions? Experiences?
Thanks
Recently, I heard that partially-open wooden blinds are best for acoustics, acting through diffusion, rather than absorption. Opinions? Experiences?
Thanks