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  • AAC Supported IP Video Encoder QAM Transmodulator For DTV Encoding / Modulating
  • AAC Supported IP Video Encoder QAM Transmodulator For DTV Encoding / Modulating
Enlarge AAC Supported IP Video Encoder QAM Transmodulator For DTV Encoding / Modulating

AAC Supported IP Video Encoder QAM Transmodulator For DTV Encoding / Modulating 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: GN-8318

All-In-One MPEG-2 SD Encoder-QAM Transmodulator
Model No: GN-8318Q
 

All-In-One MPEG-2 SD Encoder-QAM Transmodulator

Model No: GN-8318Q
 

1: Support encoding and modulating 

2: AV input and Output with IP / ASI after modution

3: Support AAC 

 

 

Product Overview

 

      

      GM-8318Q is a new generation, highly integrated SD encoder and QAM transmodulator, combining MPEG-2 SD encoding, QAM RF reception, transport stream processing and QAM modulation in a 1RU chassis. It’s ideal for broadcasters, cable network operators and media providers looking to reduce equipment costs and lower total power consumption for digital television distribution

.

      The GM-8318Q features versatile functions, high density and superior performance, provides up to eight channels of MPEG-2 standard definition(SD) encoding, QAM RF demodulation, ASI-based transport stream input, transport stream multiplexing/re-multiplexing/pass-through, PSI/SI processing, two QAM modulation outputs. All of these feeds incoming from local analog PAL/NTSC video & audio media sources, local ASI transport streams and remote QAM RF signals which can be processed into two transport streams and finally distributed to cable network after QAM modulation.

 

      To make this as comprehensive as possible, Web browser and SNMP management are also available for local and remote monitoring and control, this can significantly reduce management time and save operating expense.

 

Main Features

 

Encoding Features:

· Up to eight channels of MPEG-2 SD video and MPEG-1 Layer II audio encoding

· High picture quality in ultra low bit rate to reduce network overheads or costs

· Supports encoding rate range from 1Mbps to 7Mbps

· Output resolutions: 480i (NTSC), 576i (PAL)

· Supports VBR/CBR video encoding

Transport Stream Processing Features:

· DVB-ASI transport stream inputs

· Transport stream multiplexing, remultiplexing and pass through

· Supports PID filtering, pass-through, PCR auto-correction

· PAT, PMT and SDT insertion

Modulation/Demodulation Features:

· Two QAM adjacent-channel outputs

· Wide range of modulation output bitrate from 15.5Mbps to 51.6Mbps per QAM channel

· Supported QAM constellation: 16/32/64/128/256QAM

· ITU-T J.83 Annex A/B/C compliant, 6MHz or 8MHz bandwidth

· Self-adaptive filter circuit design ensures outstanding out-of-band rejection

Other Features:

· Web browser and SNMP management for local and remote management and control;

· Front panel control and LCD display for parameter settings and malfunction alarm display

· Local and remote firmware upgrades

· Low power consumption

 

 

 

Technical Specifications

 
Video/Audio Encoding Input
Analog Video/Audio Input Options
Composite Video 4 or 8 x CVBS
BNC female, 75Ω
Unbalanced Audio 4 or 8 x Stereo pairs (R&L)
BNC female, 600Ω
Stereo or Mono mode
Video Encoding  
Encoding Formats MPEG-2, MP@ML
Resolution & Frame Rate

720/544/480/352 x 576i@25fps

352 x 288@25fps

720/544/480/352 x 480i@29.97fps

352 x 240@29.97fps
Aspect Ratio 4:3
Video Control Brightness, Contrast, Chrominance and Hue
Encoding Rate Mode CBR, VBR
Video Encoding Rate 1-7Mbps per program
Audio Encoding  
Encoding Standards MPEG-1 Layer II
Operation Mode Stereo or Mono
Volume Control Range -63dB to 20dB
Supported Sample Rate 32 kHz, 44.1 kHz, 48 kHz
Audio Encoding Rate 64/128/192/256/384 kbps
RF Input
Number of Inputs 1 x RF Input, 1 x RF Loop Out
Connector Type F-Type (Female, 75Ω)
Standards DVB-C (EN300429)
Constellations 16/32/64/128/256 QAM
Frequency Range 50-860MHz
Input Signal Level -20 to +20dBm (64QAM)
ASI Transport Stream Input
Qty of ASI Input 1 x ASI, 1 x ASI Loop Out
Connector BNC female, 75W
TS Packet Length 188 or 204 Bytes
TS Output Bit Rate 2-60Mbps
Burst TS Not support
Transport Stream Processing
Functions Multiplexing, Re-multiplexing, Pass through
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Company Info

Gospell digital technology co.,ltd [China (Mainland)]


Business Type:Manufacturer
City: Guangzhou
Province/State: Guangdong
Country/Region: China (Mainland)

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