GBJ 47-1983
Acoustics-sound-abserbin coefficient measurement by method of reverbration room (Trial) (English Version)

Standard No.

GBJ 47-1983

Language

Chinese, Available in English version

Release Date

1983

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Withdraw

Latest

GBJ 47-1983

Scope

This specification applies to the measurement of the sound absorption coefficient of sound-absorbing materials and the sound absorption of a single object in a reverberation chamber.

GBJ 47-1983 history

• 1983 GBJ 47-1983 Acoustics-sound-abserbin coefficient measurement by method of reverbration room (Trial)