System timing – Grass Valley K2 Media Client System Guide v.3.3 User Manual
Page 191

June 9, 2009
K2 Media Client System Guide
191
System Timing
System Timing
The K2 Media Client specification is shown in the following table.
Characteristic
Description
a
a
All delay values shown are relative to Black Reference.
Encoder timing
Derived from the video input
Nominal Playback Output Delay
Adjustable
(Default: Zero timed to reference genlock)
SD Output Delay Range
(Independent for each play
channel)
525 lines
Frames: 0 to +1
Lines: 0 to +524
Samples: 0 to +1715 clock samples
625 lines
Frames: 0 to +3
Lines: 0 to +624
Samples: 0 to +1727 clock samples
HD Output Delay Range
(Independent for each play
channel)
1080i at 29.97 FPS (SMPTE 274M-5)
Frames: 0 to +1
Lines: 0 to +1124
Pixels: 0 to +2199
720p at 59.94 FPS (SMPTE 296M-2)
Frames: 0 to +1
Lines: 0 to +749
Pixels: 0 to +1649
1080i at 25 FPS (SMPTE 274M-6)
Frames: 0 to +1
Lines: 0 to +1124
Pixels: 0 to +2639
720p at 50 FPS (SMPTE 296M-3)
Frames: 0 to +1
Lines: 0 to +749
Pixels: 0 to +1979
Loop through
b
b
Also refer to “Loop through and E to E” in the K2 Media Client System Guide.
On SD-00 models, the video, AES, and LTC inputs pass to the their
output connectors as loop through.
Loop back
b
On HD-00 models, record channels loop back to play channels
E to E video
b
Supported on SDA-00 only