444
3G SL
1 1920x1080 4:4:4 RGB 23.976, 24,
25, 29.97, 30
444
3G DL
1
2 1920x1080 4:4:4 RGB 48, 50, 59.94,
60
ARRIRAW
1.5G DL
2
2 2880x1620 Bayer Bayer 23.976, 24,
25, 29.97, 30
ARRIRAW
3G SL
2
1 2880x1620 Bayer Bayer 23.976, 24,
25, 29.97, 30
ARRIRAW
3G DL
2
2 2880x1620 Bayer Bayer 48, 50, 59.94,
60
MON
OUT
clone
3
1 1920x1080 4:2:2 YCbCr 23.976, 24,
25, 29.97, 30
1
Proprietary signal format, as no SMPTE standard supports RGB 444
with frame rates higher than 30 fps. Only supported by some recorders.
2
The RAW sensor image is transmitted wrapped as 1920x1080 RGBA.
This signal can only be recorded with ARRIRAW T-Link certified
recorders. Some recorders only support certain types of ARRIRAW T-
Link.
3
When in High Speed mode, REC OUT is always set to MON OUT clone.
30-60 fps recording with ALEXA over HD-SDI
Unlike the ARRIFLEX D-21, which used a proprietary mode for
recording frame rates between 30-60 fps, the ALEXA complies with the
SMPTE 372M standard for image transmission in 422 1.5G DL and 3G
SL formats.
This means that images are split into fields, and every field is
transmitted over one link. The second field of every image is
transmitted over the other link, so that every link carries an interlaced
signal in field integration mode. The recorder realigns the images
correctly into a progressive sequence.
Two proprietary 3G DL formats allow transmission of 444 RGB or
ARRIRAW images at frame rates between 30-60 fps. These formats do
not comply to a SMPTE standard and are only supported by a few
recorders. Please note the restrictions on ARRIRAW output mentioned
above and refer to the manual of your recorder to see if it supports the
desired format.
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