OmniTek Ultra XR, Руководство пользователя

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2–38 XR-56-201 5 Viewer 03/18
Viewer
Status Viewer Display
Status Viewer Description
The
Status Viewer
tile shows both video
and audio channel status in a single tile.
The contents of the tile can be selected
from different tables in the Status
Viewer Control Panel
.
Chan 1-8
Error Checking Section
FVH Field Vertical Horizontal timing reference. This will display incorrectly timed,
missing or damaged FVH words.
TRS Timing Reference Signal. A TRS word appears at the start of each video line and
this will display missing or damaged TRS words.
TRS Position The position of the TRS word will be checked by the system and if any are in the
wrong position it will be displayed here.
CRC Cyclic Redundancy Check. The system calculates a new 16-bit CCITT CRC values
from the incoming data, and compares this value with the actual CRC value
embedded in the data. If there is a difference, this is flagged as an error. The
CRC values that have been calculated for the active area and for each full field/
frame are also displayed. This data may be used to assess the degree to which
video data has been degraded by the path over which it has been transmitted
ANC The system calculates a new 16-bit CCITT CRC values from the ancillary data,
and compares this value with the actual CRC value embedded in the data. If
there is a difference, this is flagged as an error.
Line The Line entry counts TRS packets where the line number specified does
not agree with the line number calculated internally. Note: This entry is only
applicable to HD and 3G video: Line numbers are not included in TRS packets in
SD.
Picture Section
Motion indicates the number of frames that the image has been frozen.
Stuck Bits indicates if there are stuck bits in the video data.
Embedded Audio Section
This section details the parameters for audio channels 1 - 8 of the SDI data streams:
Clip indicates if the audio for the particular channel has clipped. The number of
audio samples that are permitted before the audio is clipped when the audio
level exceeds the permitted level for the chosen Audio Meter type and can be
set in the Audio Meters section of the Configuration - Audio menu.
Over indicates if the audio for the particular channel has exceed the permitted level.
The level is set by the chosen Audio Meter type and can be set in the Audio
Meters section of the Configuration - Audio menu.