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MPEG4000-D4 - 4 channel, full frame rate, MPEG-4 encoder / decoder for PC/104-Plus

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The MPEG4000-D4 is a 4 channel, full frame rate MPEG-4 codec on for the PC/104-plus bus. The MPEG4000-D4 provides a powerful solution for capturing and compressing analog video inputs to the MPEG-4 standard. The MPEG4000-D4 not only provides MPEG-4 compression but can also simultaneously decompress and replay recordings from storage to display.

The MPEG4000-D4 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 MPEG-4 video data compression and reduced bus utilization allows up to four MPEG4000-D4 cards to be fitted in a PC/104-plus system.



  • Quad speed MPEG-4 video codec
  • Up to 4 x 4CIF (704 x576) size encoding at full frame rate (for NTSC / RS-170, PAL / CCIR video signals)
  • MPEG-4 decode playback
  • Composite video or s-video outputs for preview or playback
  • High speed text overlay (for recording path)
  • High speed bit mapped graphics overlay with multi-level alpha blending (for analog preview output)
  • Automatic detection of motion
  • G.723 audio codec for each input channel with single audio playback channel
  • Real-time video preview to system VGA or NTSC/PAL output
  • Up to 4 MPEG4000-D4 cards per system
  • Drivers for Windows XP/XP-Embedded and Linux
  • PC/104-Plus 3.3v Add-in module
  • Operating temperature: 0°C to +60°C or -40°C to +85°C

Software Development Kits

The MPEG4000-D4 is supported by comprehensive and well supported software development kits (SDKs) for video recording and video streaming. The SDKs are designed to significantly reduce development time in Windows, Linux and QNX environments and include support libraries, drivers and example applications to help developers fully utilize the MPEG4000-D4 features in complex video compression / overlay applications.

The standard Video Recording SDK and sample applications are supplied free of charge with each board and includes the services of our technical support team. The Video Streaming SDK is available for a one-time fee and enables real time streaming of compressed video data over an IP network.

The standard SDKs are available for x86 based embedded PC platforms however, we also offer SDKs suitable for PC/104-Plus based PowerPC and ARM platforms. Please contact our sales team to discuss your requirements.

Block Diagram

Block Diagram

Example Video Capture / Overlay Modes

PC/104-Plus Bus Interface

  • Compliant with PCI Rev 2.1
  • 132MBytes/sec bandwidth at 33.33 MHz bus speed
  • Live MPEG-4 capture to memory or disk
  • Concurrent MPEG-4 Capture and live preview

Analog Video Input

  • Up to 4 concurrent composite PAL or NTSC video input channels
  • Four 10-bit Analog-to-Digital converters
  • Anti-aliasing filters on inputs

Video Input Formats

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

Video Input Adjustments

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

Audio Input

  • 4x mono input
  • Provides Audio/Video Synchronisation

Video Encoding

  • ISO/IEC 14496-2, MPEG-4 SOP at Level 3
  • M-JPEG Video Encoding (optional)
  • 4 channel NTSC 4CIF ( 704 x 480) at 30fps
  • 4 channel PAL 4CIF ( 704 x 576) at 25fps
  • Supports I and P Frame Compression
  • Supports Variable Bit Rate (VBR)
  • Supports Constant Bit Rate (CBR)

Audio Encoding

  • G.723 Audio Codec

Video Decoding / Playback

  • Real-time MPEG-4 Video Decoding
  • Playback to Composite PAL/NTSC output (optional)

Uncompressed Video Path

  • Real-time Preview to host VGA display
  • Optional Preview to Composite PAL/NTSC output
  • Optional uncompressed RGB/YUV for downstream applications

Motion Detection

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

System Requirements

  • x86 PC-Compatible PC/104-Plus Computer
  • PCI or AGP Display (if Video Preview to host is required)
  • Spare REQ/GNT on PC/104-Plus Bus
  • 3.3V signalling PC/104-Plus bus


  • Single +5V supply
  • Operating temp 0°C to 60°C
  • Operating temp -40°C to +85°C (extended temp option)
  • Standard 3.6 x 3.8in PC/104-Plus form factor

Software Drivers

  • Drivers for WindowsXP and Linux
  • Sample video recording application in C/C++ source code

The following order codes can be used when ordering the MPEG4000-D4

MPEG4000-D4 - MPEG-4 Video Codec (0 to 60°C)
MPEG4000-D4-Ext - MPEG-4 Video Codec (-40°C to +85°C)

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