Acoustical Hotel Room Sound Isolation

Acoustic sound isolation is not only for the comfortable living environment, but also for protecting guests’ privacy as an important design goal in hotel room design. Except for rooms, even for supporting facilities, such as the lobby, meeting rooms, gymnasium, karaoke rooms are all need acoustic design to meet the functional requirements.

Acoustical Home Theater Room Design

（1） code requirement
“Small theater acoustic design and approval standards” （QB/ZD 01-2013）
Table 3.2.3.1 small theater 500 ~ 1000 Hz reverberation time

	noise allow level（dB）
	Premium	Level One	Level Two	Level Three
Room	≤35	≤40	≤45	≤55
Conference Hall	≤40	≤45	≤50
Multi-purpose hall	≤40	≤45	≤50	——
Office	≤45	≤50	≤55
Restaurant, Banquet Hall	≤50	≤55	≤60	——

	Weight sound insulation（dB）
	Premium	Level One	Level Two	Level Three
Wall between rooms	50	45	40
Rooms and corridors partition walls (with door)	40		35	30
Room wall (with window)	40	35	30	25

Floor parts	Weight standard impact sound pressure level（dB）
	Premium	Level One	Level Two	Level Three
Room floor slab	55	65	75
Guest rooms with a variety of vibration between floors	55		65

Note：Room in the upper room and floor impact must have good sound insulation, the machine and equipment must be taken isolation measures.