This standard refers to the sound absorption coefficient of acoustic materials or the equivalent sound absorption area of objects such as furniture, people, and sound absorbers.
KS F 2805-2004 history
2019KS F 2805-2019 Measurement of sound absorption in a reverberation room
2014KS F 2805-2014 Measurement of sound absorption in a reverberation room
2004KS F 2805-2004 Measurement of sound absorption in a reverberation room
1986KS F 2805-1986 Measurement of sound absorption in a reverberation room