Do I need diffusion or absorption or both?
Interesting studies on diffusion vs absorption
Interesting studies on diffusion vs absorption
A full overview of your treatment options
Data driven report on how to improve music rooms. Great stuff.
“case reports and studies have suggested a link between the SARS-CoV-2 virus that causes COVID-19 and hearing loss and related conditions”
In the end it’s a trade off between blade angle of attack (read energy produced) and noise.
Sadly still not a cure or treatment
“Ultimately, a noise assessment survey is used to make sure that your development is fully compliant with the National Planning and Policy Framework and Noise Policy Statement.”
“We are ill and suffering in our own home because of the continuous incessant impulsive amplitude modulated low frequencies and infrasound.”