Grass Valley K2 AppCenter v.7.2 - Manual (Page 153)

05 April 2010 K2 AppCenter User Manual
153
About aspect ratio conversion modes
About aspect ratio conversion modes
The aspect ratio conversion mode setting for the play channel determines how the
picture image is resized for playout. The following table shows the results of selecting
different aspect ratio conversion modes for various video input types and play channel
aspect ratio settings. Use the table to determine the settings required for your media
type and display device.
Clip
Clip
Example Play Channel
Aspect Ratio conversion
Mode Setting Output
Example
Comments
SD
(4:3) (4:3) NA Output same as
clip. No rule
necessary.
HD
(16:9) (4:3) Bars No information
lost.
HD
(16:9) (4:3) Half Bar Some information
lost.
HD
(16:9) (4:3) Crop More information
lost.
HD
(16:9) (4:3) Stretch No information
lost. Image
distorted
(stretched)
vertically.
HD
(16:9) (16:9) NA Output same as
clip. No rule
necessary.
SD
(4:3) (16:9) Bars No information
lost.
SD
(4:3) (16:9) Half Bar Some information
lost.
SD
(4:3) (16:9) Crop More information
lost.
SD (4:3) (16:9) Stretch No information
lost. Image
distorted
(stretched)
horizontally.