Sound system equipment: Headphones and earphones associated with portable audio equipment - Maximum sound pressure level measurement methodology and limit considerations - Part 1: General method for "one package equipment"; German version EN 50332-1:2000— 10 стр.
Sound system equipment: Headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 1: General method for "one package equipment"; German version EN 50332-1:2013— 12 стр.
Audio, video and audiovisual systems - Interconnections and matching values - Preferred matching values of analogue signals (IEC 61938:1996); German version EN 61938:1997— 21 стр.
Magnetic tape sound recording and reproducing systems - Part 5: Electrical magnetic tape properties (IEC 60094-5:1988 + A1:1996); German version EN 60094-5:1993 + A1:1996— 26 стр.
Non-broadcast video tape recorders - Methods of measurement - Part 4: Calibration tape (NTSC/PAL/SECAM) (IEC 61041-4:1997); German version EN 61041-4:1997— 16 стр.