Avid Media Composer: General Features	Supported?	Match in After Effects	Comments
Project
Frame Size	Supported
Frame Rate	Supported
Aspect Ratio	Supported
Pixel Aspect Ratio	Supported
In/Out points	Supported
Start/End points	Supported
Duration	Supported
Enabled States (Tracks)	Not Supported
Comments
Script Comments in Bin	Supported	Footage Comments
Timeline comments on clips	Supported	Footage Comments
Locators
Source locators on master clips	Supported	Layer Markers
Timeline locators on clips	Supported	Layer Markers
Timeline locators on timecode track	Supported	Composition Markers
Timeline locators on fillers	Not Supported
Locator colors	Not Supported
Non-Timecoded sources
PSD Files	Supported
JPEG Files	Supported
PNG Files	Supported
TIF Files	Supported
BMP Files	Supported
TGA Files	Supported
Timecodes
Sequence starting timecode	Supported	Composition starting timecode
Master clip starting timecode	Not Supported
Master clip auxiliary TC 1	Not Supported
Master clip auxiliary TC 2	Not Supported
Master clip auxiliary TC 3	Not Supported
Master clip auxiliary TC 4	Not Supported
Master clip auxiliary TC 5	Not Supported
Master clip auxiliary TC 24	Not Supported
Tape name	Not Supported
Other
Subclips	Supported	Normal Layers	Both normal subclips and subclips created via AutoSync are supported
Multicam	Supported	Nested compositions	Multicam clips come into FCP as straight cuts with trimming intact
Collapsed Segments	Supported	Nested compositions	Nested Sequence for each set of collapsed layers
Alpha/Matte Key	Supported	Premult	Clip has alpha type set to "straight"