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System timing – Grass Valley K2 Media Client System Guide Oct.10 2006 User Manual

Page 123

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September 7, 2006

K2 Media Client System Guide

123

System Timing

System Timing

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

On SD-only models, the video, AES, and LTC inputs pass to the
their output connectors as loop through. This is on record channels
only.

On HD/SD models, record channels loop through to play channels

E-to-E video

Not supported

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