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DIN EN 60268-7
Sound system equipment - Part 7: Headphones and earphones (IEC 60268-7:2010 + COR1:2012 + A1:2020); German version EN 60268-7:2011 + A1:2020
Edition
2021-08
DIN EN IEC 60268-16
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:2020); German version EN IEC 60268-16:2020
Edition
2021-10
DIN ISO/TS 12913-2
Acoustics - Soundscape - Part 2: Data collection and reporting requirements (ISO/TS 12913-2:2018)
Edition
2020-11
FD Z81-030
Telephone sets. Call handling and telephonometry characteristics
Edition
1997-02-01
