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System timing, Aes/ebu digital audio, System timing aes/ebu digital audio – Grass Valley K2 System Guide v.7.2 User Manual

Page 194: Appendix b specifications

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194

K2 System Guide

07 April 2010

Appendix B Specifications

System Timing

The K2 Summit Production Client and K2 Solo Media Server specification is shown
in the following table

AES/EBU Digital Audio

The K2 Summit Production Client and K2 Solo Media Server 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/EE

The video, AES, and LTC inputs pass to the output connectors as
loop through.

Parameter

Specification

Standard

AES3

Audio Inputs

4 Channels per video input/output on DB-25.
Supports 32 KHz to 96 KHz inputs, which are sample rate converted to
48 KHz, 16 bit, 20 bit, or 24 bit digital audio sources.

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