112
Calibrating the Kaleido-X
Key Concepts
Multiviewer Input Calibrations
Detail enhancer The purpose of the detail enhancer parameter is to recover sharpness
that may have been lost in the de-interlacing and scaling process.
See
Calibrating Detail Enhancement and Dynamic Range on page 127.
Dynamic range The dynamic range parameter determines the color model to be
applied: either full-range RGB (0-255) or video RGB (16-235). Full-range
RGB is also called computer RGB; video RGB is also called studio RGB.
See
Calibrating Detail Enhancement and Dynamic Range on page 127.
Aspect ratio Unlike HD signals where aspect ratio information, when available, always
follows the SMPTE
2016 standard, there are different standards for
encoding aspect ratio information in SD signals. In the case of the
Kaleido-X and Kaleido-X16 multiviewers, the AFD
& WSS calibrations
determine which standard will be applied by default to SD signals
feeding the selected multiviewer input. The aspect ratio of video
windows on the monitor wall can then be automatically adjusted, based
on the current source assignment.
See Calibrating Aspect Ratio
Decoding on page 126.
Note: In the case of the Kaleido-IP, AFD information can be extracted
and monitored. However, the Kaleido-X software does not yet support
automatic aspect ratio adjustment on the monitor wall for signals
originating from a Kaleido-IP. The KMV-3901/3911 multiviewers do not
support decoding of a signal’s aspect ratio from AFD or WSS metadata.
NTSC standard The NTSC and NTSC-J standards are different with regard to their black
level. This parameter determines which standard is to be applied to the
selected analog input signal.
Subtitling/closed
captioning
Presence alarms can be configured against up to four preset Teletext
(WST) pages for each input signal. The Teletext page selection
parameters determine which pages will be monitored. The Teletext page
set as Page A will also be decoded, and its content can be displayed in a
video window. Requires the CC/XDS option (see
Hardware and Software
Options, on page 383). There are also subtitling calibrations for the CEA-
608 CC and the DTVCC alarms. See Calibrating Subtitling/Closed
Captioning on page 127.
Metadata holding
time
The holding time parameters determine the delay after which decoded
metadata such as closed captions, subtitles, or XDS metadata will be
cleared. Requires the CC/XDS option (see
Hardware and Software
Options, on page 383). Refer to Calibrating Metadata Holding Time, on
page 128 for details.
Zero VU (dBu) The Zero VU (dBu) parameters determine the reference level to be
applied to the selected analog (from ABT) input signal. Its default value
is 4
dBu, on a range of -24 dBu to 8 dBu. See Calibrating Zero VU
Reference Level for an ABT Audio Source on page 122.
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