IEC 62777 : 1ED 2016现行
QUALITY EVALUATION METHOD FOR THE SOUND FIELD OF DIRECTIONAL LOUDSPEAKER ARRAY SYSTEMS
出版：International Electrotechnical Committee
专家解读视频
Pertains to directional loudspeaker array systems of any kind, and to the parts of which they are composed or which are used as auxiliaries in such systems.
DIN EN 62777 : 2015 - Identical
CEI EN 62777 : 2016 - Identical
PN EN 62777 : 2016 - Identical
SN EN 62777 : 2016 - Identical
DS EN 62777 : 2016 - Identical
NBN EN 62777 : 2016 - Identical
NEN EN IEC 62777 : 2016 - Identical
BS EN 62777 : 2016 - Identical
