User Manual

Preparing for Converting HD Formats
1052
Crossconversion and Downconversion Formats
The following table lists the available crossconversion and downconversion formats for each HD
format. Not all formats are available for all Avid editing configurations.
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Raster Type selection does not affect the conversion options for HD projects, with the exceptions
noted in the table.
HD Sequence Format
Crossconverted
HD Format
Downconverted
SD Format
720p/59.94 1080i/59.94 30i NTSC
720p/23.976 1080i/59.94 30i NTSC
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When crossconverting the 720p/23.976 format, your Avid editing application adds 2:3
pulldown frames to create a sequence with the correct frame rate.
720p/25 1080i/50 25i PAL
720p/50 1080i/50 25i PAL
1080p/23.976 1080i/59.94
720p/59.94
30i NTSC
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When crossconverting the 1080p/23.976 format, your Avid editing application adds 2:3
pulldown frames to create a sequence with the correct frame rate.
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For information on ensuring the correct pulldown cadence when downconverting the
1080p/23.976 format to 30i NTSC, see “Considerations for Crossconversion and
Downconversion” on page 1053,
1080p/24 1080i/59.94
(Nitris DX and
Mojo DX only)
30i NTSC
(Nitris DX and
Mojo DX only)
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Non-DX systems: To crossconvert a1080p/24 sequence to HD, output a tape master and
then convert. To downconvert a1080p/24 sequence to SD, change the project format and
transcode the media, then output a digital cut.
1080p/25 720p/50 25i PAL
1080p/29.97 720p/59.94 30i NTSC
1080i/50 720p/50 25i PAL
1080i/59.94 720p/59.94 30i NTSC