VITEC | Decoder Boards | VMD6444

VMD6444 Multichannel Decoder Board

  • HD/SD H.264 Multichannel Decoder

The powerful Stradis VMD-6444 Multichannel Decoder card is a 4-channel H.264/HD AVC decoder over HDMI with output resolution of up to 1080p30 per channel. It is designed to meet the needs of the digital signage market for advertising, entertainment, museum/exhibit, and hospitality applications.

Stradis VMD-6444 features simultaneous H.264 hardware decoding of video clips up to HP@L4.1 with maximum bit-rate of 62.5Mbit/s. Several decoders may be installed in one PC, simplifying deployment of multi-channel HD video system and resulting in very low costs per channel. HDMI output resolutions ranging from SD to 1080p ensure full compatibility with a wide variety of video monitors, TVs and projectors. Stradis VMD-6444 synchronizes decoding across video channels and supports 32-bit graphic overlay with adjustable transparency and blending effects for a total multi-media display solution.

The SDK API for Stradis VMD-6444 is based on previous generations of Vitec/Focus /Visual Circuits decoder cards to ease upgrades from Gemini and Harmony cards.


  • HD/SD H.264 with support for MP4 and MPEG-2 transport stream container
  • 4 x HDMI 1.3 outputs with resolution up to 1080p30 and embedded audio
  • Cross-channel decoding synchronization
  • Seamless frame accurate playback
  • Overlay (OSD) with alpha blending (256 levels), Genlock
  • SDK similar to Harmony 4ES and Gemini decoders for easy upgrade
Digital  Digital HDMI
Video Formats 1080p, 1080i, 720p, NTSC, PAL 
Picture Size HD / SD
Chroma Sampling Format 04:02:00
Profile H.264 up to HP@L4.1
Maximum Video Bit Rate Up to 62.5 Mbps
Embedded Audio Channel AC-3 up to 6 channels via computer's optical S/PDIF out port 2 channels per HDMI output (independent)
Multiboarding Yes
Video / audio adjustment  Yes
Genlock/Reference Input  Yes
On Screen Display (Level of transparency) Yes (256)
Upscaling  Yes
Downscaling Yes
Operating Systems  Windows 7 (32/64 bit) / XP 
Development Kits SDK (support main features of Harmony 4ES)
Minimum  Configuration P4 - 2.4GHz, 1 GB RAM
PCI Compliance  PCIe rev1.1 (1 lane)
Dimensions of the board 111.15 x 165.65 mm (4.37” x 6.52”)
Power consumption 10 W

The latest Documentation and Software can be found at the Homepage of Vitec


  • Advertising
  • Entertainment
  • Hospitality
  •  Video billboards


SDM290ex Audio cable with 6 XLRs for 4 balanced audio outputs and 2 digital audio outputs (XLR).
SDM290ex Audio cable with 4 XLRs for 4 balanced audio outputs and 2 BNCs for digital audio output.
PC bracket with 2 female RCA connectors for unbalanced analog audio output.
(Compatible with all SDM & HDM).
Sync daisy chain cable. Connects multiple decoders in one chassis. (Compatible with all SDM & HDM).
PC bracket with DB-9 connector for RS-422 machine control and BNC for LTC output. (Compatible with SDM290ex, HDM500ex and HDM850).
HDM500ex Audio cable with 6 BNCs for digital audio output and 1 RCA connector forunbalanced analog audio output.
HDM500ex DVI-I to VGA adapter.
HDM500ex Video cable: DVI-I to DVI-D and VGA. “Y” adaptater.
Internal Audio cable. Connect a decoder to PC sound card. (Compatible with all SDM & HDM).
S-Video Adapter Cable: 2 male BNC connectors to 1 male 4-pin Mini DIN connector. (Compatible with all SDM).
HDM500ex Video cable: DVI-D male to HDMI male (2 meter).
Triple BNC to 0.10" Header Bracket (genlock, LTC).
8xAES audio out, Genlock input, SD-SDI out (split cable on DB connector).
Only for HDM850.
RGV/YPbPr video ou, Analog Stereo out (bracket + cable).
Only for HDM850


  • Stradis VMD-6444 Datasheet

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