NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 61237-4 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60268-1 | 1985 | Sound system equipment. Part 1 : General More |
| IEC 60268-2 | 1987-06 | Sound system equipment. Part 2 : Explanation of general terms and calculation methods More |
| IEC 60268-8 | 1973 | Sound system equipment. Part 8 : Automatic gain control devices More |
| IEC 60386 | 1972 | Method of measurement of speed fluctuations in sound recording and reproducing equipment More |
| IEC 61041-1 | 1990-11 | Non-broadcast video tape recorders; methods of measurement; part 1: general video (NTSC/PAL) and audio (longitudinal) characteristics More |
| IEC 61041-3 | 1993-12 | Non-broadcast videotape recorders; methods of measurement; part 3: audio characteristics for FM recording More |
| IEC 61105 | 1991-12 | Reference tapes for video tape recorder systems More |
| IEC 61213 | 1993-12 | Analogue audio recording on video tape; polarity of magnetization More |
| prEN 60651 | 1993-04 | Sound level meters (IEC 60651:1979) More |
