
ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 3: TEST SIGNALS OF SHORT DURATION
出版:International Electrotechnical Committee

专家解读视频
States a means of describing the physical characteristics of audiometric reference and test signals of short duration and methods for their measurement.
AS IEC 60645.3-2002 - Identical
NEN 10645-3 : 1995 - Identical
DIN EN 60645-3 : 2008 - Identical
BS EN 60645-3 : 2007 - Identical
DS EN 60645-3 : 2007 - Identical
PN EN 60645-3 : 2009 - Identical
CEI EN 60645-3 : 2008 - Identical
I.S. EN 60645-3:2007 - Identical