20dBSPL (or 28dB louder than the quietest audible sound) is often quoted for an empty broadcasting / recording studio or
sound isolation room.
Not exact matches
window
sound isolation in
room could be better.
The
room is furnished with custom made bed, carefully chosen mattress, pillows, adjustable lights, fast internet connection, large touch screen for the ultimate movie night experience, Bose
sound system, adjustable floor heating, well chosen books,
sound isolation, etc..
The difference isn't terribly noticeable — especially if you're already grinding up enemies in Gears of War with the
sound up — but in the
isolation of a home theater
room with a quiet Blu - ray movie spinning, we definitely preferred the din of the newer PS3.
THX defines every aspect of
sound and picture quality in its screening
room program, from
sound isolation and reverberation management to
room acoustics and projected image.