ASTM E2638-08

Standard Test Method for Objective Measurement of the Speech Privacy Provided by a Closed Room

NORMA vydaná dňa 15.11.2008

Anglicky -
Online zabezpečené PDF (73.90 EUR)

The information about the standard:

Designation standards: ASTM E2638-08
Note: NEPLATNÁ
Publication date standards: 15.11.2008
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Kategória: Technické normy ASTM

Annotation of standard text ASTM E2638-08 :

Keywords:
speech privacy, speech security, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)