NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN IEC 60268-21 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60268-2 | 1987-06 | Sound system equipment. Part 2 : Explanation of general terms and calculation methods More |
| ISO 3741 | 2010-10 | Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms More |
| IEC 60268-1 | 1985 | Sound system equipment. Part 1 : General More |
| IEC 61094-4 | 1995-11 | Measurement microphones - Part 4: Specifications for working standard microphones More |
| IEC 61260-1 | 2014-02 | IEC 61260-1: Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications More |
| ISO 3 | 1973-04 | Preferred numbers; Series of preferred numbers More |
| ISO 3744 | 2010-10 | Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane More |
| ISO 3745 | 2012-03 | Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for anechoic rooms and hemi-anechoic rooms More |
| IEC 60268-7 | 2010-01 | Sound system equipment - Part 7: Headphones and earphones More |
| IEC 62777 | 2016-02 | Quality evaluation method for the sound field of directional loudspeaker array systems More |
