Decimator Design DECIMATOR 2

SDI to Composite and HDMI Down Converter (3G/HD/SD)

Mini 3G/HD/SD-SDI Converter to both HDMI and NTSC/PAL with simultaneous scaling on both outputs and De-embedded Analogue Audio.

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£398.00 £331.67
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The Decimator 2 from Decimator Design allows you to view any format of SDI on a composite or HDMI monitor with de-embedded audio. Scale either output simultaneously and perform aspect ratio conversion on the HDMI output.

Features include:

  • Auto detection of 3G, HD or SD (26 formats total)
  • Selection of NTSC or PAL for 3G/HD inputs
  • 2x RCA connectors for de-embedded analogue audio
  • Switching of synchronous sources
  • Simultaneous scaling on both the HDMI & composite outputs
  • 16:9 and 4:3 aspect ratio conversion
  • Full 16 channel audio metering on the HDMI output
  • Graticules and overlays on the HDMI output
  • Loop Through

Control either via USB on a Mac/Windows app or on-unit using the dip switch. The unit comes with a Locking DC Power Supply, HDMI Cable, USB Cable & Mounting Bracket. Warranty for all Decimator Design products is 3 years.

  • Auto detects 3G, HD or SD (26 Formats in total) and can handle switching of synchronous sources
  • Simultaneous scaling on both the HDMI and Composite outputs with a maximum delay of 1 input frame
  • HDMI output with optional full scaling and aspect ratio conversion

Down-converted Composite output with

  • NTSC or PAL is selectable for 3G/HD inputs.
  • SD will be passed unchanged.
  • Low latency 3G/HD to SD Down-conversion with ARC (Aspect Ratio Conversion) of  either :-
  1. 16:9 to 16:9 Anamorphic.
  2. 16:9 to 4:3 Letterbox.
  3. 16:9 to 4:3 Centre Cut (Crop to 4:3)
  • Full 10-bit data path and multipoint interpolation
  • 16 times over-sampling for Composite Output
  • Passes EIA-708/608 Closed Captions to the Composite Output

Full 16-Channel Audio metering displayed on the HDMI output with

  • Any of the 4 audio groups individually selectable.
  • Vertical or Horizontal Bars.
  • AES/EBU, VU, Extended VU, BBC, EBU, DIN and NORDIC Scales.
  • Bar & Float, Bar only or Float only.
  • Transparency adjustment.
  • Separate Bar and Float Ballistics control.
  • Adjustable Reference level.
  • Red, Yellow and Green Range adjustment.
  • Bar thickness adjustment.
  • Margin adjustment.

Adjustable Graticules Generator displayed on the HDMI output with

  • Separate enables for Safe Action, Safe Title and Centre Cross.
  • Adjustable position for either Safe Action or Safe Title.
  • Adjustable colours for Safe Action, Safe Title and Centre Cross.

Text Overlays displayed on the HDMI output with

  • Adjustable Foreground and Background colours.
  • Adjustable 16 character text.
  • Current input format status.
  • De-Embedded Analogue Audio is output on 2 x RCA connectors at -10dBu = -20dBFS
  • 3G/HD/SD-SDI Active Loop-Through Output External Dip-Switch Configuration
  • USB port for control and firmware updates 
  • Locking DC Power Socket

The following is also included with the unit

  • Power Supply
  • HDMI Cable
  • USB Cable
  • Mounting Bracket.
More Information

Video Formats

3G: (SMPTE [email protected] and 2.967Gb/s)

  • 1080p@60/59.94/50Hz

HD: (SMPTE 292M/274M/[email protected] and 1.435Gb/s)

  • 1080i@60/59.94/50Hz
  • 1080p/psf@30/29.97/25/24/23.98Hz
  • 720p@60/59.94/50/30/29.97/25/24/23.98Hz


SD: (SMPTE 259M@270Mb/s)

  • 625i50
  • 525i59.94


 Dip Switch Controls

  • NTSC or PAL Selection.
  • SD Pedestal.
  • Crop 16:9 to 4:3 
  • 16:9 or 4:3 Aspect Selection.
  • Stereo Pair selection for RCA Analogue Audio.
  • HDMI Output format select.



  • (3G/HD/SD)-SDI 10-bit 
  • Conditional Maximum Equalization cable length of 400M for SDI, 200M for HD-SDI and 100M 3G-SDI using Belden 1694A



  • HDMI 
  • SD-Composite 
  • 1 x (3G/HD/SD)-SDI Active Loop-Through.
  • 2 x RCA for De-embedded Analogue Audio (20dBFS=-10dBu)


LED Status

  • Power.
  • Signal Lock.



  • +5V to +24V DC, ~4 Watts.
  • Positive Centre Pin.



  • 90mm x 71mm x 23mm (3.5” x 2.8” x 0.9”)