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

MPEG Encoder

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HD Mediaplex
DMP-1943HD

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

* Composite & Component Video Input
* Stereo Analog Audio Input
* HD/SD-SDI / HDMI Digital Input
* Commercial Audio Encoding
* 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/Audio Format Setting
  · 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 HD 1080i
Level 1 Vp-p
Digital Input HD/SD-SDI / HDMI
Level 1000 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 HDMI
Sampling Rate 32, 44.1 and 48 KHz
Connector BNC (75Ω)
Encoding Core DSP(Digital Signal Processing) Base
Video Processing Video Encoding MPEG-2 MP@HL
Chroma Format 4:2:0
Encoding Rate 5 ~ 45 Mbps
Latency Time ≤ 1,000 msec
Resolutions 1080i x 1920, 1440, 1280, 960 / 720p x 1280, 960
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
Retyrn 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. 80 W
Weight 3.6 Kg
Dimensions (W x H x D) 482 x 44 x 468 mm
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