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Table Of Contents
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This appendix describes the different resolutions and lists their specifi-
cations. It also explains how to estimate the drive space you will
require to store your digitized media.
Screen Resolution
Compression Ratios
Storage Requirements
Maximizing Drive Space
Screen Resolution
The screen resolution for the Avid application is different for NTSC
and for PAL:
NTSC resolution is 720 x 486 non-square pixels covering all the
active video. This also includes 10 lines of blanking or VITC per
frame (5 lines per field).
PAL resolution is 720 x 576 non-square pixels covering all the
active video. This also includes 16 lines of blanking or VITC per
frame (8 lines per field).
Compression Ratios
The Avid application uses a simple notation — x:1 — to identify the
compression ratios it supports. The value of x indicates the level of
compression that is applied to the image data. For example, a 3:1 ratio
compresses the original data to one-third of its uncompressed size.