Device, Feed, and Stream Alarms
Audio Alarms
30
Audio Alarms
Reading Audio Alarms
The following alarms appear in the
Alarms
sub-folder.
Video Alarms
Alarm Type
Description
--- Regular video alarms ---
Video loss
• Detects if there is a loss of video signal from the device.
• Found in the
Video
,
Alarms
section for the Input.
Video black
• Detects if theluma level is lower than the IRE or mV levels are too low.
• Found in the
Video
,
Alarms
section for the Input.
Video freeze
• Detects if the video is displaying a single frame of video for too long.
1
• Found in the
Video
,
Alarms
section for the Input.
1. When possible, use an HDMI or Component input to detect Video Freeze accurately.
Macroblocking detection
• Detects if the image compression is appearing as video errors, or when bandwidth is
not enough to encode fine detail.
2
• Found in the
Video
,
Alarms
section for the Input.
2. There are limitations on EdgeVision's ability to detect the presence of macroblocking on signals that
have been subjected to horizontal scaling. For more information, see the
EdgeVision Installation Guide
.
Video luma too high
• Detects if the average luminance of the video is higher than the maximum threshold.
• Found in the
Video
,
Alarms
section for the Input.
--- EIA 608 Closed Captioning alarms ---
CC1 loss
Loss of data on Caption Channel 1
CC2 loss
Loss of data on Caption Channel 2
CC3 loss
Loss of data on Caption Channel 3
T1 loss
Loss of data on Text Channel 1
T2 loss
Loss of data on Text Channel 2
V-chip loss
Loss of V-chip XDS data
TSID loss
Loss of TSID XDS data
Station ID loss
Loss of Station ID XDS data