Optimal use of absorption in a room

It seems to be common to cover walls, or large parts of them, in relatively thin absorption (9 to 15mm thick). This may be because it is heavily advertised, seems to be lower cost or because it means less paintwork needs to be done. More than likely though, it is done out of ignorance. The thought that more is better is a fallacy.

Read More
Doctors Now Prescribing Music Therapy for Heart Ailments, Brain Dysfunction, Learning Disabilities, Depression, PTSD, Alzheimers, Childhood Development and More

Music has proven time and again to be an important component of human culture. From its ceremonial origin to modern medical usage for personal motivation, concentration, and shifting mood, music is a powerful balm for the human soul. Though traditional “music therapy” encompasses a specific set of practices, the broader use of music as a therapeutic tool can be seen nowadays as doctors are found recommending music for a wide variety of conditions.

Read More
andrew steel
NC and NR curves are at best not relevant and at worst disastrous in recording studios

NC and NR curves are at best not relevant and at worst disastrous in recording studios. MICROPHONES and they DO NOT hear like humans. Their sensitivity is essentially flat. Rooms designed with increasing noise at low frequency DO NOT work because the microphone will record this and the recording chain will amplify it. This generally causes monitors to have excessive excursion at low frequency and causes modulation artifacts in the audible range.

Read More
andrew steelComment
Why do we use RT60 as a single figure to represent the acoustic quality of specialised rooms

RT60 is a single figure that may be OK to describe the required performance of an office or a worshop, but it is not sufficient to describe the acoustic performance of a specialised room. Such rooms include classrooms, multi purpose halls, auditoriums, music teaching rooms etc.

Read More
Soundproofing a Floor (usually for those underneath)

You could spend a lot of money and time trying to reduce the sound that gets through your floor, so be aware of the pitfalls and as always, get the person who is going to do the work to give you a measurable performance change so that if it doesn’t work, you don’t have to pay e.g. if you pay me to do this it will make a 10dB difference to the sound you hear from above (or below).

Read More