NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN IEC 62820-2 ; VDE 0830-91-2 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 62820-1-1 | 2016-09 | Building intercom systems - Part 1-1: System requirements - General More |
| IEC 62820-1-2 | 2017-07 | Building intercom systems - Part 1-2: System requirements - Building intercom systems using the internet protocol (IP) More |
| IEC 62820-3-2 | 2018-02 | Building intercom systems - Part 3-2: Application guidelines - Advanced security building intercom systems (ASBIS) More |
| ITU-T G.722 | 2012-09 | 7 kHz audio-coding within 64 kbit/s More |
| ITU-T P.311 | 2011-03 | Transmission characteristics for wideband digital handset and headset telephones More |
| ITU-T P.340 | 2000-05 | Transmission characteristics and speech quality parameters of hands-free terminals More |
| ITU-T P.341 | 2011-03 | Transmission characteristics for wideband digital loudspeaking and hands-free telephony terminals More |
| ITU-T P.79 | 2007-11 | Calculation of loudness ratings for telephone sets More |
| ITU-T P.800 | 1996-08 | Methods for subjective determination of transmission quality More |
| DIN EN 50486 | 2008-11 | Equipment for use in audio and video door-entry systems; German version EN 50486:2008 More |
