Product Overview
GN-1898 is the latest MPEG-2/MPGE-4 AVC high efficiency SD encoder which can perform SD MPEG-2/MPEG-4 AVC compression encoding of up to eight channels of analogue or digital A/V input signals simultaneously, and then output the signals through IP interface after multiplexing. This unit can be used for A/V signal source encoding of a DTV network head-end system, and it also supports WEB/SNMP management.
Main Features
l Up to eight channels of MPEG-2/MPEG-4 AVC SD encoding in 1RU;
l MPEG-1 Layer II audio encoding;
l Up to eight channels of analog composite video and unbalanced audio pairs inputs or digital SDI video with embedded stereo audio inputs;
l High picture quality in ultra low bit rate to reduce network overheads or costs;
l Web browser GUI and SNMP interface for remote management and control;
l MPEG TS-over-IP (7 x 188 Byte) output, supporting MPTS/SPTS mode
l Supports single IP output
l 8-channel watermark overlay function(GN-1898-C)
l MPEG-2 encoding rate range from 0.5 to 5.5Mbps each video
l MPEG-4 AVC encoding rate range from 0.25Mbps to 5.5Mbps each video
l Supports multiple PAL and NTSC standard definition video encoding resolutions
l VBR/CBR video encoding
l Supports simple TS multiplex with auto-generated PSI/SI
l Low power consumption
l Front panel control and LCD display
Technical Specifications
Video/Audio Input Options |
Analog Video/Audio Input Option* |
Composite Video | 8 x CVBS |
BNC female, 75W |
Unbalanced Audio | 8 x Stereo pairs (R&L) |
BNC female, 600W |
Stereo or Mono mode |
Digital Video/Audio Input Option* |
Serial Digital Interface | 8 x SD-SDI (BNC female, 75W) SMPTE 259M |
Audio | Embedded in SD-SDI |
Notes: Analog input option and digital input option are not available simultaneously. |
ASI Transport Stream Input |
Number of ASI Input | 1 x ASI Input and 1 x ASI Loop Out |
Connector | BNC female, 75W |
TS Packet Length | 188 or 204 Bytes |
Effective Input Rate | 60Mbps (maximum) |
Burst TS | Not support |
MPEG TS Over IP Output* |
Number of IP Output | 1 x 10/100 Base-T Ethernet |
Output Mode | Redundant output |
MPEG TS Format | 7 x 188Byte |
IP Encapsulation | MPEG TS-over-UDP |
MPEG TS Mode | MPTS or SPTS |
Number of TS Output | 8 TS |
Addressing | Unicast or Multicast |
Connector | RJ-45 |
Notes: 1) TS-over-IP output and ASI outputs will be available simultaneously in MPTS mode; TS-over-IP output will be available but ASI outputs will be not available in SPTS mode; 2) Only one IP output interface will be available when enable ASI input. |
Video Encoding |
Encoding Formats | MPEG-2: MP@ML MPEG-4 AVC: MP@L3 |
Resolution and Frame Rate | 720/704/640/544/352 x 576i@25fps, 720/704/640/544/352 x 480i@29.97fps |
Aspect Ratio | 1:1, 4:3, 16:9 |
Encoding Rate Mode | CBR, VBR |
Video Control | Brightness, Contrast, Chrominance and Hue |
Video Encoding Rate | MPEG-2: 0.5 to 5.5Mbps per program MPEG-4 AVC: 0.25 to 5.5Mbps per program |
Watermark function |
Watermark image format | PNG format |
Superimposed channel | 8 CH |
Transparency adjustment range | 0~100 |
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Audio Encoding |
Encoding Standards | MPEG-1 Layer 2 |
Operation Mode | Stereo or Mono |
Volume Control | -63dB to +20dB |
Sample Rate | 32 kHz, 44.1 kHz, 48 kHz |
Audio Encoding Rate | MPEG-1 Layer II:192/224/256/320/384 kbps |
Network Management |
Interface | 1 x 10/100 Base-T Ethernet |
Connector | RJ-45 |
Management | Web browser and SNMP management |
Miscellaneous |
Front Panel | 3.5’’ LCD with 6 x Control Button for 2-lines information display and settings |
3 x Dual color LED, for status indications of power, working and Alarm |
Rear Panel | 1 x 3-Pin Receptacle(AC Input) |
1 x Power switch |
1 x Serial Console Port(via RJ-45 connector) |
Power Supply |
Input Voltage | 90 - 250 VAC, 50/60Hz |
Power Consumption | 55W (Maximum) |
Environmental |
Operating Temperature | 5℃ to 45℃(41℉ to 113℉) |
Storage Temperature | -25℃to 70℃(-13℉ to 158℉) |
Operating Humidity | 90%, non-condensing |
Mechanical |
Product Dimensions (W x H x D) | 483mm x 44.5mm x 400mm 19’’ x 1.73’’ (1 RU) x 15.8’’ |
Product Weight | 5Kg (11 lbs) |
Rear Panel View (Sample)
Ordering Information
Hardware Options |
Hardware Codes | Descriptions |
GN-1898-A | 8-Ch SD Encoder with MPGE-2/MPEG-4 AVC video encoding and MPEG-1 layer 2 audio encoding, with 8 x CVBS input, 8 x Unbalanced Stereo Pairs input, 1 x ASI input with 1 x ASI Loop Out, 2 x ASI output, 2 x 10/100Base-T output* |
GN-1898-C | 8-Ch SD Encoder with MPGE-2/MPEG-4 AVC video encoding and MPEG-1 layer 2 audio encoding, with 8 x CVBS input, 8 x Unbalanced Stereo Pairs input, 8-way watermarks are superimposed separately, 2 x 10/100Base-T output* |
GN-1898-D | 8-Ch SD Encoder with MPGE-2/MPEG-4 AVC video encoding and MPEG-1 layer 2 audio encoding, with 8 x SD-SDI input, 1 x ASI input with 1 x ASI Loop Out, 2 x ASI output, 2 x 10/100Base-T output* |
Remarks: Only one IP output interface will be available when enable ASI input. |
Software License Option |
License Codes | Descriptions |
LC-1898 | Enable eight channels of stereo encoding |
For More Information
Please visit our website: http://www.gospell.com or contact your local sales representative:
GOSPELL Shenzhen, China Overseas Sales Center Block F10-F13, F518 Idea Land, Baoyuan road, Bao'an Central District, Shenzhen City 518102, Guangdong Province, China TEL: +86- FAX: +86- E_mail: sales.dtv@gospell.com | GOSPELL Chengdu, China Overseas Sales Subsidiary The Fourth Floor, No. 2 Building, Matt High-Tech Industrial Park, Tianhong Road No#5, West High-Tech Area, Chengdu City 611731, Sichuan Province, China TEL: +86-28- FAX: +86-28- E_mail: sales.dtv@gospell.com | GOSPELL Chenzhou, China Headquarters GOSPELL Industrial Park, Bai Lu Tang, Su Xian District, Chenzhou, Hunan, China |
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Product pictures are for reference only, GOSPELL reserves the right to modify the specifications without prior notice