DBE 4120
MPEG-2 Encoder System for Contribution
Configuration
guide
Issued by Network Products Marketing Department
GDBD4120 - 09/1999
THOMSON broadcast systems - All rights reserved
p.8 of 12
Technical Specifications
Video
-
Inputs
SDI (10-bit accuracy)
Composite video PAL, SECAM, NTSC
-
Pre-processing
Frame re-synchronizer
Image re-sizing filters full to ½ or ¼ resolution
3 :2 pull down
-
Video encoding
MPEG2 4 :2 :2 P
@
ML and MP@ML
Bit rate range of 1 to 50 Mbps
Horizontal 720, 704, 544, 480, 352 pixels
Vertical (625 line) 576, 288 (525 line) 480, 240 lines
-
VBI (processing)
From 50 Hz analog (PAL, SECAM) source: CEEFAX B, magazine and/or
subtitles, 50 Hz VITC, VPS, Any Monochrome VBI line
From 50 Hz SDI source: CEEFAX B, magazine and/or subtitles, 50 Hz
DVITC, WSS, VPS (digitized waveform VBI only), FCP, AFD, Any
Monochrome VBI line (digitized waveform VBI only)
From 60 Hz analogue (NTSC) source: Any Monochrome VBI line
From 60 Hz SDI source: VBI FCP, Any Monochrome VBI line (digitized
waveform VBI only)
Up to 8 transparent VBI lines
Helper channel on one VBI line (option)
Audio
-
Inputs
Up two stereo or four mono audio extracted from SDI
Two stereo analogue audio balanced 600
Ω
/18 K
Ω
Up to 10 AES/EBU digital audio on XLR (with SDI only)
-
Audio encoding
ISO/IEC 11172-3 standard compliant, MPEG-1, Layer II
48 KHz sampling rate
18-bit accuracy
Data
-
RS-232
Transparent data interface
-
ASI input
TS packets in data burst or data packet modes
