1.1 Main features:
l MPEG-2 Standard
l Support Video VBR and CBR encoding
l Support extremely low MPEG-2 Video compact encoding and MPEG-4 encoding
l Video encoding bit rate: 1-7Mbps
l Support dynamic bit rate control of moving picture(Channel3 and channel4)
l Support MPEG-2 stream multiplexing
l Create PSI/SI information
l Has 4 independent A/V input connectors
l Has 4 independent A/V encoding
l Individual output of 1-4 channel stereo multiplexing TS stream.
l Multi A/V stream combinating method
l Multi-programme multiplexing output TS stream
l LCD display, easy operation
l Support remote network control
l Support TS OVER IP output
2 Technical Specifications
2.1 Video interface Characteristic
Composite video signal
Video System: NTSC(525/60) or PAL(625/50) optional
Connector: BNC
Impedance: 75W, unbalance
Frequency: 25Hz～5.75MHz
Level: 1.0Vp-p,
Sample frequency: 27MHz
2.2 Audio interface Characteristic
Analog audio signal
Connector: BNC(unbalanced)
Impedance: 600W,
Input: one stereo or two mono.
Output bit rate: 32kbps~384kbps
A to D accuracy: 16bits
Sample frequency: 32/44.1/48KHz
2.3 MPEG-2 Video Encoding Compact
2.3.1 Video
l Meet International standard ISO 11172(MPEG-1)and ISO 13818(MPEG-2)
l MPEG-2 encoding impliments 4:2:0 MP@ML
l Support MPEG-4 Level 5 ASP
l Output bit rate 1-7Mbps continuous adjustment
l Support VBR and CBR encoding
l Support open, close and various flexible GOP structure, I, IP, IPB.
l MPEG-2 self-adapting field frame(AFF)
l MPEG-2 field base(FB)
l Pattern: DVB standard transporting stream(TS)
2.3.2 Audio
l Impliments MPEG-1 II level, CD quality
l Audio sampling frequency:32KHz,44.1KHz,48KHz
l Audio bit rate:64Kbps, 128Kbps, 192Kbps, 256Kbps, 384Kbps
l Support 4channel stereo or double channels
2.4 Format
DVB standard TS
2.5 Resolution
Standard CCIR601; Compatible to 1/2D1, 2/3D1, 3/4D1, Full D1eGN.
PAL: 720*576,544*576,480*576,352*576
NTSC: 720*480,544*480,480*480,352*480
2.6 IP Data interface(optional)
Interface protocol: IP input interface (100M)
Protocol: UDP
2.7 Data Interface
DVB Standard
Connector: BNC
Impedance: 75Ω
Packet format: 188 byte
Data rate: 1.5～9Mbps
2.8 Network Management Interface
IEEE802.3 ETHERNET,RJ45 interface
Software protocol: SNMP protocol
2.9 Keep Status Of Power Off
The encoder will keep status with the power being cut off, in order to auto-reset when electrified again.
Power Supply: 90V~250V A.C, 50Hz ±2%, 20W
2.10 Working Environment
5—45°C for operation
-25—55°C for storage
10~75% for relative humidity
2.11 Radiation and Safety
GB13837-92 AND GB8898-88
2.12 Mechanic characteristics
Dimension:44.5mm(1U)*483mm*(19.0”)*300mm
Weight: 5kg