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In direct mapping (level A) this is used to achieve higher frame rates. (50, 59.940 and 60 fps streams are
supported).
Dual Stream 3G HD-SDI signal
Dual Stream 3G is a specific variant of the 3G signal which combines two completely separate 4:2:2 image
streams into a single 3G signal. This can be used to transmit stereoscopic streams by keeping the left and
right eye signals together.
SMPTE 292M STANDARD 1.485 Gb/s HD-SDI SIGNALS
Standard HD-SDI (SMPTE 292M) formats
SMPTE Standard
SMPTE 296M
SMPTE 274M
SMPTE 428-8
SMPTE 274M
SMPTE 428-9
(SMPTE RP211)
SMPTE 274M
Dual-Link HD-SDI (SMPTE 372M) formats
Dual Stream 3G
3Gb/s
Source
Frame Rate
Resolution
1280 x 720
23.976
24
25
29.970
30
50
59.940
60
1920 x 1080
23.976
2048 x 1080
24
25
29.97
30
1920 x 1080
23.976
2048 x 1080
24
25
29.97
30
1920 x 1080
25
29.970
30
HD 4:2:2 Signal #1
and
HD 4:2:2 Signal #2
Display Rate
23.976
24
25
29.970
30
50
59.940
60
23.976
24
25
29.97
30
23.976
24
25
29.97
30
50
59.940
60
R5906897 /02
ICMP
Scan Type
Progressive
Y Cb Cr 4:2:2 10-Bit
Progressive
Y Cb Cr 4:2:2 10-Bit
Segmented frame
Y Cb Cr 4:2:2 10-Bit
Interlaced
Y Cb Cr 4:2:2 10-Bit
Prometheus III
109
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