參數(shù)資料
型號(hào): UPD61051
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT MPEG2 AUDIO/VIDEO ENCODER
中文描述: 馬鞍山集成電路MPEG2音頻/視頻編碼器
文件頁數(shù): 18/106頁
文件大?。?/td> 824K
代理商: UPD61051
Data Sheet S15082EJ4V0DS
18
μ
PD61051, 61052
Table 2-4. Slicer
TV method
VBI data
Detection line
NTSC
VBID
20, 283
Closed caption
21, 284
PAL
Wide screen signal
23 (336)
(6)
Video output
It converts an input video or a local-decoded video into picture size of 720 dots by 480/576 line and outputs with
the ITU-R BT.656 format.
Horizontal and vertical synchronization signals are switched from GPO.
Field detection is easy due to vertical synchronization signal delays 4VCLK since horizontal synchronization
signal.
Figure 2-1. Video Output
(a) Odd Field
OVVSYNC
(PAL)
OVHSYNC
OVVSYNC
(NTSC)
3H
2.5H
OVHSYNC
OVCLK
OVVSYNC
4OVCLK
(b) Even Field
OVVSYNC
(PAL)
OVHSYNC
OVVSYNC
(NTSC)
3H
2.5H
H/2+4 OVCLK
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