Audio and audiovisual equipment - Digital audio parts - Basic methods of measurement of audio characteristics (IEC 61606:1997); German version EN 61606:1997— 21 стр.
Methods of measurement on receivers for television broadcast transmissions - Part 2: Audio channels - General methods and methods for monophonic channels (IEC 60107-2:1997); German version EN 60107-2:1997— 18 стр.
Recommended methods of measurement on receivers for television broadcast transmissions - Part 5: Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system (IEC 60107-5:1992 + A1:1999); German version EN 60107-5:1992 + A1:1999— 15 стр.