HE4000 Encoding System
Specifications
S pecifications
A
STANDARD FEATURES
Audio:
AES/EBU Digital Audio Input – Qty 4, Ohm BNC
Input:
Balanced Analog Audio – Qty 1, DB-9
Encoding:
Four channels (stereo pairs) total. Each channel independently
configurable for:
MPEG-1, Layer 2
Dolby® 2-channel encoding (AC-3 2.0)
Dolby® E/uncompressed supported via SMPTE 302M
Pass-through (e.g. for externally encoded AC-3 5.1)
Standard Definition Video
SDI (SMPTE-259M): Qty 1, 75 Ohm BNC
Inputs:
Composite (PAL/NTSC): Qty 1, 75 Ohm BNC
Pre-Processing:
ComtechTV’s Proprietary
PurePEG
Artifact Reduction Technology
Encoding:
One channel, whose source may be one of the following:
SD SDI Input
Composite Input
Internal Video Test Pattern Generator
Down-converted version of HD SDI Input
MP@ML 4:2:0 (1-15 Mbps)/4:2:2P@ML 4:2:2 (2.5 – 50 Mbps)
Encoding Supported:
Flexible GOP Structures
High Definition Video:
Input:
SDI (SMPTE-292M): Qty 1, 75 Ohm BNC
Loop Through:
SDI (SMPTE-292M): Qty 1, 75 Ohm BNC, active only when the
unit is powered
Pre-Processing:
ComtechTV’s Proprietary
PurePEG
HD Artifact Reduction
Technology
Encoding:
One channel, whose source may be one of the following:
HD SDI Input
Internal Video Test Pattern Generator
Upconverted version of SD Input (whether SDSDI or
composite)
Encoding Supported:
MP@HL 4:2:0 up to 80 Mbps/422P@HL 4:2:2 up to 160 Mbps
Flexible GOP Structures
Timing Reference/Frame Sync: Both SD and HD video channels my be resynchronized to one of
the following timing references:
SD Input (analog or SDI)
Black Burst Input
Internal free-running oscillator
HD SDI input
Auxiliary Data:
Synchronous: 1 bps – 20 Mbps, RS-422, DCE, internal or
external clock source
Asynchronous: 1200 – 38400 bps, RS-232 DCE
Transport Stream Input:
ASI, up to 216 Mbps: Qty 1, 75 Ohm BNC
Transport Stream Output:
ASI Output, 1 Mbps – 216 Mbps: Qty 2, 75 Ohm BNC
01-0951-404 Rev B
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