Standard Test Method for Objective Measurement of the Speech Privacy Provided by a Closed Room
NORMA vydána dne 1.5.2010
Designation standards: ASTM E2638-10
Note: NEPLATNÁ
Publication date standards: 1.5.2010
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
Keywords:
speech privacy, speech security, Closed room, Room sound absorption, Speech privacy, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)