รายละเอียด
Overview
DMB-8820 HD H.264 Eight-Channel Encoder features high performance, ultra-low latency and low bit rates for DTV systems, and adopts state-of-the-art compression technology(H.264/AVC) to achieve compression efficiency of the former MPEG-2 standard by over two times, as well as excellent resolution. Audio encoding supports MPEG-1 Layer2, HE-AAC, LC-AAC by option. The device provides input interfaces of HDMI or SDI by option, and ASI output and TSoIP(UDP/IP) output after loss-less compression processing. The unique empty packets filtering capability enables the spectrum source to be saved for IPTV systems. DMB-8820 has an external 1*ASI input, which can be multiplexed with local multi-programs to eliminate the needs of multiplexers, and also simplify the network architecture for high reliability solutions. DMB-8820 Encoder is the preferred device for content source encoding of DTV broadcasting system to address the ever-increasing demand for more premium viewing experiences.
MainFeature
Advanced video compression: H.264/AVC high profile level 4.0
Providing ASI and IP (UDP/IP) output
Equipped with empty packets filtering of IP out
Input interface: HDMI or HD-SDI by option
Multi-pass LookAhead CBR or VBR encoding
Built-in PCR capability
Support multiplexing with external 1*ASI in
Providing PSI/SI compilation and NIT, LCN insertion
PAL/NTSC modes available
Controlled by keyboard on front-panel, LCD display
Managed by web browser via Ethernet interface
Upgraded via Ethernet interface
Specification
| VIDEO SPECIFICATIONS– HDMI MPEG4 Encoders | |
| Video compression: H.264/AVC high profile level 4.0
Video inputs: 8*HDMI(support HDCP protocol) (HD-SDI optional) Analog video input mode: PAL, NTSC |
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| Resolution:
NTSC: 1920*1080_60P, 1920*1080_60i, 1280*720_60P, 720x480_60i PAL: 1920*1080_50P, 1920*1080_50i, 1280*720 _50P, 720x576_50i |
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| Bit-rate: 0.8 ~ 19Mbps, CBR/VBR
Video pre-processing: De-interlacing, Noise reduction, Sharpen |
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| AUDIO SPECIFICATIONS | |
| Audio compression: MPEG-1 Layer2 (MPEG-2/4 LC-AAC, HE-AAC (V2) optional)
Audio inputs: HDMI (SDI optional) Sampling rate: 48KHz Sampling accuracy: 24-bit Encoding bit rate: 64 ~ 384Kbps |
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| MULTIPLEXING SPECIFICATIONS | |
| Multiplexing with external AS I(1*SPTS or MPTS) in
Multiplexing with 8 local encoded programs Providing PSI/SI compilation and NIT, LCN insertion |
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| OUTPUTS | |
| ASI output | Output channel: 1*ASI+1*ASI (backup), BNC interface
Standard: EN 50083-9 ASI Max. output bit rate: 170Mbps MPEG frame: 188/204 Byte Reflection loss: >10dB Connector: 75 ohm, BNC interface |
| IP output | Transport protocol: TS over IP output, UDP protocol
IP output channel: 1*MPTS or 8*SPTS Support empty packets filtering Connector: RJ45,Gigabit Ethernet (1000M) |
| GENERAL OPTIONS | |
| CONTROLLING AND MONITORING | |
| Connector: 1*RJ-45, 10/100 Base-T (NMS interface)
Remote control: by NMS Local control: keyboard on front panel, LCD display |
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| PHYSICAL AND POWER | |
| Voltage: 90~260VAC, 50/60Hz
Consumption: 25W Operating temperature: 0~50°C Dimensions: 482mm(W)*455mm(D)*45mm(H) Weight: 4Kg |
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