Examples of vibration and noise tolerance
| Vibration | VL（dB） | 45 | 50 | 55 | 60 | 65 | |||||
| Annoyance | Indifference・・・・・・・・・・・・・・・・・Vague sense of vibration・・・・・・・・・・・・・・・Does not bother people・・・・・・・・・・・・・・・・・People feel that it is annoying | ||||||||||
| Noise | dB（A） | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | |
| NC | 10~15 | 15~20 | 20~25 | 25~30 | 30~35 | 35~40 | 40~45 | 45~50 | 50~55 | ||
| Loudness | Perceived silence・・・・・・・・・・・・・・・Extremely quiet・・・・・・・・・・・・・・・・・・Does not bother people・・・・・・・・・・・・・・Perceive noise・・・・・・・・・・Noise cannot be ignored | ||||||||||
| Affects conversation | |||||||||||
| Affects telephone calls | |||||||||||
| Spatial usage | Studio | Sound-proof room |
Announcement studio |
Radio studio |
TV studio |
Master control room | |||||
| Assembly hall | Theater (medium) | Stage theater | Cinema/planetarium | ||||||||
| Hospital | Special hospital |
Surgical theater Hospital ward |
Consulting room | Hospital laboratory | |||||||
| Hotel residence | Bedroom・Guest room | Banquet hall | |||||||||
| Typical office | Reception room | Small conference room | Typical office | Typing computer room |
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| Public building | Art gallery Museum |
Reading room | Municipal hall/meeting room | Indoor sports facility (large) |
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| School/church | Auditorium Chapel |
Laboratory・Regular classroom | |||||||||
| Commercial building | |||||||||||
※*Extracted from Compilation of Architectural Materials 1 – Environment, edited by the Architectural Institute of Japan, and Construction Design Standards, editorial supervision by the Ministry of Land, Infrastructure, Transport and Tourism
| Number | Name |
|---|---|
| （A） | Vibration acceleration level（dB） |
| （B） | Octave band frequency（Hz） |
