Ikegami CCU-430, Руководство по эксплуатации, Страница: 177 / 264

Helpful T
echnical
Inf
or
mation
7
159 UHK-430/CCU-430 1710 VER2 (E)
7.4 Signal Transmission
7.4 Signal Transmission
■
Mapping Structure for Level A and Level B of 3G-SDI
6037(0GH¿QHVWKHLQWHUIDFHWKDWWUDQVPLWV*ESVVHULDOGDWDVWUHDPZLWKDFRD[LDOFDEOH
This stream consists of two virtual data streams (Data Stream 1, Data Stream 2).
(DFKGDWDVWUHDPLVPDSSHGEDVHGRQWKHPDSSLQJVWUXFWXUHDQGFODVVL¿HGLQWR/HYHO$DQG/HYHO%E\WKHPDSSLQJPHWKRG
Caution:
The word data lines of digital blanking is omitted here. Please refer to respective standards for more details.
[Level A]
1
For Y/Cb/Cr data, Y data is mapped to Data Stream 1, and Cb/Cr data is mapped to Data Stream 2.
Y
1918
Y
0
Y
1
Y
2
Y
3
Y
4
Y
5
Y
1919
C
b959
C
b0
C
r0
C
b1
C
r1
C
b2
C
r2
C
r959
Video Signal
Data Stream1
Data Stream2
3G SDI
Virtual Data Stream
Data Stream1
Digital blanking
Data Stream2
Digital blanking
Mapping
Multiplexing
= =
= =
2
Multiplexes the Data Stream 2 and Data Stream 1, in this order, in a word unit, resulting 3Gbps serial data
stream.
C
r959
C
b0
Y
0
C
r0
Y
1
C
b1
Y
2
Y
1919
C
b959
Y
1918 C
r1
Y
3
C
b2
Y
4
C
r2
Word Multiplex Data Line
Digital blanking
= =