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H264-PMC8 - 8 Channel H.264 Codec on PMC

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The H264-PMC8 Encoder board is an eight channel H.264 codec on a PMC Mezzanine format card. The H.264-PMC8 provides a powerful and flexible solution for capturing and compressing up to 8 analog video inputs at full size and at full frame rate to the H.264 / MPEG-4 AVC (Part 10) compression standard.

The H264-PMC8 not only provides H.264 compression but can also simultaneously decompress and replay recordings from storage to display.

The H264-PMC8 allows high quality real -time video and audio capture and compression from NTSC/PAL video sources to disk and simultaneously provides an additional path for uncompressed video for on-screen preview or optional downstream video analytics.

The high performance H.264 video data compression and efficient bus utilization allow multiple H264-PMC8 cards to be fitted in a compactPCI or VMEbus systems for multi -channel video recording and streaming applications.



  • 8 channels analog SD composite video inputs
  • Real-time 8x H.264 full frame rate, full size (4QCIF) encode
  • H.264/MPEG-4 AVC (Part 10) encoder / decoder
  • Medium Latency encoder (down to 100ms)
  • Fast text overlay on recording for Time/Date stamp etc.
  • Multiple H264-PMC8 boards per system
  • PMC Mezzanine card form factor
  • Drivers for Windows, Linux

NB: Preliminary Information Subject To Change

CompactPCI Bus Interface

  • PICMG-2.0 Rev 2.1
  • 32-bit bus width, 33.33 MHz bus speed

Video Input ports

  • 8 independent composite NTSC or PAL input channels
  • 10-bit Analog-to-Digital converters
  • Anti-aliasing filters on inputs

Video Input Standards

  • Standard CCIR601-NTSC, CCIR-PAL
  • NTSC-M, NTSC-N, NTSC-J, NTSC (4.43), RS-170

Video Input Adjustments

  • Contrast (luma gain) adjustable from 0 - 200% of original
  • Saturation (chroma gain) adjustable from 0 - 200% of original
  • Hue (chroma phase) adjustable from -180° to +180°
  • Brightness (luma level) can be adjusted from -25 to +25 IRE
  • Software adjustable Sharpness, Gamma and noise suppression

Audio Input

  • 8x mono input
  • Provides Audio/Video Synchronization

Video Encoding

  • ITU-T H.264 (ISO/IEC 14496-10, Baseline profile, level 3)
  • M-JPEG Video Encoding (optional)
  • 8 channel NTSC 4CIF ( 704 x 480) at 30fps per channel
  • 8 channel PAL 4CIF ( 704 x 576) at 25fps per channel
  • Supports I and P Frame Compression
  • Supports Variable Bit Rate (VBR)
  • Supports Constant Bit Rate (CBR)
  • Approximate 100ms encode Latency

Audio Encoding

  • G.723 Audio Codec

Video Decoding / Playback

  • Real-time H.264 Video Decoding
  • Playback to Composite PAL/NTSC output (optional)

Audio Decoding

  • Mono audio output

Uncompressed Video Path

  • Real-time Preview to host VGA display
  • Optional Preview to Composite PAL/NTSC output

Motion Detection

  • 330 (NTSC) or 396 (PAL) detection blocks
  • Masking of areas not required for motion detection
  • Adjustable sensitivity

System Requirements

  • x86 PC-Compatible Host Computer with 33Mhz PMC site
  • PCI or AGP Display (if Video Preview to host is required)
  • 3.3V and 5V from PMC Mezzanine site


  • Standard 32-bit PMC form factor

Operational characteristics

  • Operating temperature 0°C to 60°C
  • Extended temperature -40°C to +85°C (option)


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

The following order codes can be used when ordering the H264-PMC8

H264-PMC8 - Video Encoder (0 to 60°C)
H264-PMC8-Ext - Video Codec (-40°C to +85°C)

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