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Chapter 2 Working with DVCPRO HD 63
Video Compression
DVCPRO HD uses a variation of the DV and DVCPRO 50 codecs. The compression ratio
is around 6.7:1.
Audio
The DVCPRO HD format supports up to eight audio tracks, though not all devices can
access every track. The sample rate is 48 kHz, using 16 bits per sample.
Timecode
On tape or P2 card, 1080i60, 1080p30, and 720p60 DVCPRO HD use 30 fps timecode.
1080i50 and 720p50 DVCPRO HD use 25 fps timecode. When recording 720p60
DVCPRO HD, each timecode number is used twice, with an asterisk used to distinguish
frame 1 and frame 2 of each timecode pair. This maintains backward compatibility with
SMPTE 30 fps timecode. When 720p60 footage is captured, the 30 fps timecode is
converted to 60 fps timecode. To view 30 fps timecode instead of the 60 fps timecode
in your media files, Final Cut Pro has a timecode display option called 60 @ 30 timecode.
Note: Final Cut Pro supports drop frame timecode for 720p formats.