Canon XH A1 用户手册
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Selecting the Frame Rate
You can select from the following frame rates depending on the recording mode:
60i, 30F, 24F (2:3 pulldown-converted)
60i, 30F, 24F (2:3 pulldown-converted or 2:3:3:2 pulldown-converted)
60i Mode
Records in 60 fps interlaced mode, the same as standard-definition TV signals.
30F Mode
Records in 30 fps progressive mode and outputs
signals converted into 60 fps interlaced. Video output
from the HDV/DV terminal will be in 30p.
signals converted into 60 fps interlaced. Video output
from the HDV/DV terminal will be in 30p.
24F Mode
Records in 24 fps progressive mode like movie cameras,
creating a true cinematic feel to the picture.
creating a true cinematic feel to the picture.
The video signal will be output from the HDV/DV
terminal in 24 fps progressive mode. The signal output
from the HD/SD SDI terminal (
from the HD/SD SDI terminal (
only) and the
COMPONENT OUT terminal will be down-converted to
60i using the 2:3 pulldown method.
60i using the 2:3 pulldown method.
24F (2:3) Mode
Signals are down-converted to 60i using the 2:3
pulldown method. This 24F mode is suited for
playback on a TV screen but may require the
extension/compression of some frames while editing.
pulldown method. This 24F mode is suited for
playback on a TV screen but may require the
extension/compression of some frames while editing.
24F (2:3:3:2) Mode
Signals are down-converted to 60i using the 2:3:3:2
pulldown method. This 24F mode is ideal for extracting
true 24 frames per second in order to transfer to film
simply by discarding the 3:3 adjacent frames (bc and
fg in the figure).
pulldown method. This 24F mode is ideal for extracting
true 24 frames per second in order to transfer to film
simply by discarding the 3:3 adjacent frames (bc and
fg in the figure).
HD
SD
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30F (camera)
60i (tape)
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30F (tape)
60i (playback)
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