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H264-XMC-RS343 - XMC PCI-Express Dual channel RS-343 H.264 Video Encoder

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The H264-XMC-RS343 is an ultra low latency, dual channel, H.264 encoder on an XMC expansion card. The H264-XMC-RS343 provides a powerful and flexible solution for capturing and compressing 2 Analog RGB RS-343 sources at up to 1080p HD resolution to the H.264/ MPEG-4 AVC (Part 10) standard.

The H264-XMC-RS343 is ideal for time-critical applications as it offers Ultra Low Latency encoding of below 40ms across the entire capture resolution range. The H264-XMC-RS343 supports dual H.264 encodes at resolutions up to 1080p30 or a single channel encode at 1080p60. The H.264 encoding can be flexibly configured to suit a range of bandwidth and storage requirements. The ultra low latency feature of the H264-XMC-RS343 makes it ideal for real -time video I/P streaming and distribution of RS-343, VGA or other Analog RGB video.

The H264-XMC-RS343 is a standard compliant, single width CMC card using the XMC, PCI-Express fabric. The card is support by AMP's comprehensive video recording SDK for Linux and Windows. An extended RTSP video streaming SDK is also available for applications requiring transmission of the captured data over IP links.



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  • 2x RS-343 video inputs
  • Dual channel encode at up to 1080p30
  • Single channel encode at up to 1080p60
  • H.264/MPEG-4 AVC (Part 10) encoder
  • Ultra Low Latency technology with a latency below 40ms
  • Intra-refresh to improve bandwidth utilization
  • XMC PCI-Express Bus
  • CMC IEEE 1386 mechanical form factor
  • Drivers for Windows and Linux

Block Diagram

Block Diagram

XMC Interface

  • PCI Express 2.0 compliant
  • x1 PCI Express port

RS-343 Video Input

  • Dual RS-343 video inputs supporting up to 1080p60

Flexible capture resolutions

  • Flexible capture resolutions, 16x16 pixel granularity
  • Standard resolutions supported include:
    1080i60, 1080i59,1080i50, 1080p30, 1080p25
    720p60, 720i60, 720p50, 720i50
    480p60, 576p50

Ultra Low Latency

  • Less than 40ms encode Latency

H.264 Video Encoding

  • ITU-T H.264 (ISO/IEC 14496-10)
  • Baseline and Main profile up to L4.2
  • Interlaced and progressive video encode support
  • Real-time multi stream H.264 Ultra Low Latency capture
  • Dual channel encode at up to 1080p30
  • Single channel encode at up to 1080p60

Bit rate control

  • Constant bit rate (CBR)
  • Variable bit rate (VBR)

Configuration support per stream

  • Frame rate
  • Resolution
  • Bit-rate control
  • Key frame interval
  • Intra-refresh mode

System Requirements

  • X86 host with XMC socket


  • Operating temp 0°C to 60°C
  • Operating temp -40°C to +85°C (extended temp option)


  • Single-width CMC (Common Mezzanine Card)
  • IEEE 1386 form factor (74mm x 149mm)


  • Drivers for Windows, Linux
  • Comprehensive video recording SDK
  • Sample video recording application with C/C++ source code

The following order codes can be used when ordering the H264-XMC-RS343

H264-XMC-RS343 - H.264 Video Encoder (0 to 60°C)
H264-XMC-RS343-Ext - H.264 Video Encoder (-40°C to +85°C)

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