Digital Headend
Terrestrial Processor
Satellite Decoder
MPEG Encoder
Digital Modulator
Digital Controller
Media Converter
Analog Headend
Network
Accessory

MPEG Encoder

PRINT PDF LIST

SD Mediaplex
DMP-1943SD

Video/Audio 아날로그 신호 및 디지털 입력 신호를 Digital 압축(Compression)/부호화(Encoding) 기술로 처리하여 Digital 신호 전송에 적합한 Transport Stream으로 출력하는 MPEG-2 SD Encoder와 Encoder에서 출력되는Transport Stream 신호를 DTV방송에 적합한 8-VSB방식으로 변조하여 디지털방송 전송에 적합한 주파수 대역으로 출력하는 8VSB Modulator를 결합한 Commercial SD Mediaplex이다.

* Composite & Component Video Input
* Stereo Analog Audio Input
* SD-SDI Digital Input
* Dolby Digital AC-3 & MPEG-1 Layer-ll Encoding
* RTOS DSP기반의 Real time processing
* Up Converter 내장으로 자유로운 출력 주파수 선택
* QAM Modulator Option 장착가능
* VFD Display에 의한 편리한 Control 기능
  · Input Mode Setting
  · Video Format Setting
  · Data, Bit Rate Setting
  · Output Frequency / Level Control
* NMS를 위한 Ethernet SNMP기능
* 1RU, 표준형 19” Rack Mount Type
  ITEM CHARACTER
Video Input Analog Input Composite & Component
Video NTSC&PAL
Level 1 Vp-p
Digital Input SD-SDI (Option)
Level 800 mVp-p
Impedance 75 Ω
Aspect Ratio 4:3, 16:9
Audio Input Analog Input Stereo
Frequency Range 20 Hz ~ 20 KHz
Impedance 600 Ω/ 20KΩ
Connector Mini XLR
Digital Input Embedded SDI (Option)
Sampling Rate 32, 44.1 and 48 KHz
Connector BNC (75Ω)
Channels Mono 2CH, Stereo 1CH
Encoding Core DSP(Digital Signal Processing) Base
Video Processing Video Encoding MPEG-2 MP@ML
Chroma Format 4:2:0
Encoding Rate 4 ~ 15 Mbps
Latency Time ≤ 500 msec
Horizontal Resolutions 720, 640, 480
Vertical Resolutions 576(PAL), 480(NTSC)
Audio Processing Audio Encoding Dolby Digital AC-3 & MPEG-1 Layer II
Sampling Rate 32, 44.1 and 48 KHz
Layer II Encoding Rate 32 ~ 384 Kbps
Dolby Digital(AC-3) Rate 56 ~ 448 Kbps
TS Output Transport Stream DVB-ASI
Connector BNC (75Ω)
TS Rate 5 ~ 45 Mbps
Packet Format 188 Byte
Output Level 800 mVp-p (Nominal)
RF Output Frequency Range 50~870 MHz
Impedance 75 Ω
Output Level 55 ± 5 dBmV
Level Control Range 0 ~ -15 dB
MER After Equalizer 42 dB
MER Before Equalizer 37 dB
Signal to Noise Ratio ≥ 50 dB
Phase Noise VHF -105 dB@20KHz,
UHF -103 dB@20KHz
Adjacent Channel Carrier Attenuation Characteristic ≤ -45 dB (Out of band)
Spurious ≤ -63 dB
Return Loss ≥ 17 dB
Frequency Response ± 0.5 dB (5.38MHz)
Frequency Tolerance ± 2 ppm
Group Delay ± 20 ns (5.38MHz)
PCR Jitter ≤ ± 200 ns
Ethernet Connector RJ-45
Interface Type 10/100 Base-T
Protocols SNMP
General Power Requirements AC 90~230V, 60Hz
Power Consumption Max. 60 W
Weight 3.6 Kg
Dimensions (W x H x D) 482 x 44 x 337 mm
PRINT PDF LIST