Snell MV-32 - Page 121

MV-32/64 Multiviewer www.snellgroup.com Technical Appendix
Issue 1 Rev 11 Page 121 © 2014 Snell Limited
Alarms
Video Inputs Loss of sync, loss of luminance, freeze frame
Audio Inputs Loss of embedded or external audio, over-level, out of phase channel
pairs
Metadata Inputs Loss of VITC (SDI only), loss of V-Chip (composite only), teletext
(SD-SDI/HD-SDI only), subtitles, video non-sync detection
Alarm Indication Visual (in display), GPI, LAN, SNMP traps
Metadata
Decoding/Monitoring Teletext and OP-47 subtitles, AFD driving aspect ratio (SDI only),
WSS driving aspect ratio (composite only), D-VITC (SDI only)
timecode display, ATC timecode display
GPI Input/Output
Global port 16 inputs/8 outputs per multiviewer (assignable).
Video Input card port 8 inputs/4 outputs per video Input card (assignable).
Audio Meter Scales and Ballistics
NORDIC Overall dynamic range: 54dB (+12 to -42dB)
Attack time: 10mSec
Decay time: 1.7 Sec per 20dB decay
DIN/PPM Overall dynamic range: 55dB (+5 to -50dB)
Attack time: 10mSec
Decay time: 1.5 Sec per 20dB decay
BBC PPM Overall dynamic range: 24dB +3dB down “Mark 1" (+12 to -12dB)
Attack time: 10mSec
Decay time: 2.8Sec per 24dB decay (from “Mark 7" to “Mark 1")
VU Overall dynamic range: 23dB (+3 to -20dB)
Attack time: 300mSec
Decay time: 300mSec per 20dB decay
VU EXT Overall dynamic range: 60dB (+10 to -50dB)
Attack time: 300mSec
Decay time: 300mSec per 20dB decay
AES/EBU Overall dynamic range: 60dB (0 to -60dB)
Attack time: < 5 ms
Decay time: 1.5 Sec per 20dB decay
Phase Correlation Display (MV-VIP2 cards only)
Attack time: 0.4 Sec for zero to ±1 deviation
Decay time: 0.4 Sec for ±1 to zero deviation
Input dynamic range: 45dB
Minimum input level: -45dBu
Item Description
Table 74. Technical Data