Grass Valley K2 AppCenter v.7.2 - Manual (Page 84)

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K2 AppCenter User Manual 05 April 2010
Chapter 6 Working with playlists
Working with programs
A program is a clip generated from a playlist using the
Save As Program
feature in the
Playlist application. A program includes all the media in the playlist, but does not
include any event that breaks the flow of playout such as a pauses between events.
You can insert programs into other playlists as an event, or load and play them using
the standard Player application. You can also send a program to a file or a video
network stream. (For more information on which types of file types you can send a
program to, see “Importing and exporting streaming media” on page 141 .)
Using mixed aspect ratios in a playlist
AppCenter can play clips with different aspect ratios in a single playlist.
The AppCenter supports playout of mixed format clips displayed with default or
selectable modes such as bars, crop, or stretch on both SD and HD outputs.
The following table describes how the system displays mixed aspect ratios
.
Using mixed video resolutions in a single playlist
Playlists can contain events with different video resolutions. When the list is played,
the media is converted as needed to match the play channel video output type selected.
Event Aspect Ratio Output format
SD HD
SD (4:3) No conversion Bar
(Pillarbox)
Half Bar
(Half-Pillarbox)
Crop (zoom)
Stretch
SD (16:9)
(Widescreen
selected)
No conversion
No stretching; video scales up to fill
the whole screen irrespective of the
aspect ratio setting.