CHD 1412

4K HDMI to 12G-SDI Converter with Frame Synchronizer and Analog Audio Embedder

The CHD 1412 is a versatile and compact HDMI to 12G-SDI converter with an integrated frame synchronizer. It is an ideal solution for any application which requires a fully synchronized SDI input from an external asynchronous HDMI source.
It can handle video formats up to UHD and 4K DCI with 4:2:2 and 4:4:4 chroma sub-sampling at 8-bit, 10-bit or 12-bit depth.

The flexible reference sync input accepts any analog video sync format including Black burst, Bi-Level, Color bars and Tri-Level. The sync input is auto detecting and fully cross lock compatible. For example: An SDTV reference can be used to frequency lock an HD HDMI input. If no reference is present, the converter performs a standard asynchronous HDMI to SDI conversion. A pair of stereo analog inputs can be embedded into any AES channel. Audio inputs can be either professional balanced audio with selectable full scale level, or unbalanced consumer line level audio.
PCM and AC3 audio present in the HDMI stream are transparently passed-through/embedded in selflock mode “Ref Source = Auto / HDMI” into the SDI output.

The 12G-SDI fiber output can be used with a wide variety of plug-in SFP options.

Note: For legal reasons, HDMI capture devices from LYNX Technik AG are designed not to capture, convert or transmit video or audio from HDCP copy-protected sources (e.g. Satellite receivers, Cable receivers, BD players etc.)

The module is fully compatible with yelloGUI and LynxCentraal, which provides access to a host of additional internal settings including adjustable video delay for timing purposes. It can be configured, controlled and updated using Windows or MacOS. Like all yellobrik modules, it is compatible with the RFR 1200 rack frame, which provides power redundancy.

Key Features

Supports 12G/6G/3G/1.5G/SD-SDI Standards
Up to 4K DCI, 4:4:4, 12-bit
Integrated Frame Synchronizer
“Cross-Lock” Compatible Reference Input
Support PCM, Dolby E, D, DD+ and Atmos JOC
Balanced Analog Audio, Unbalanced Line Level Audio and AES Inputs
HDMI, Reference and Audio Status LED

Video Formats
  4K  4096x2160p  23.98, 24, 25, 29.97, 30, 47.95, 48, 50, 59.94, 60 
  UHD 3840x2160p  23.98, 24, 25, 29.97, 30, -----  --  50, 59.94, 60 
  2K 2048x1080p   23.98, 24, 25, 29.97, 30, 47.95, 48, 50, 59.94, 60 
  HD 1920x1080p   23.98, 24, 25, 29.97, 30, -----  --  50, 59.94, 60
  HD 1920x1080PsF 23.98, 24, 25, 29.97, 30  -----  --  --  -----  -- 
  HD 1920x1080i   -----  --  --  -----  --  -----  --  50, 59.94, 60 
  HD 1280x720p    23.98, 24, 25, 29.97, 30, -----  --  50, 59.94, 60
  SD 720x625i     -----  --  --  -----  --  -----  --  50, -----  --
  SD 720x525i     -----  --  --  -----  --  -----  --  --  59.94  --
Video Input Digital
  • 1x HDMI Type A connector, HDMI v2.0b
  • RGB 4:4:4
  • YCbCr 4:4:4/4:2:2/4:2:0
  • 8/10/12-bit
Video Output Digital
  • 2x 12G-SDI BNC (12G/6G/3G/1.5G/SD-SDI)
  • YCbCr 4:2:2 10-bit
  • YCbCr/RGB 4:4:4 10/12-bit
  • 3G-SDI Level A or B Dual Link
Audio Pass-Through
  • HDMI PCM Audio
  • HDMI Dolby E
  • HDMI Dolby Digital (AC-3)
  • HDMI Dolby Digital Plus (E-AC-3) including DD+ Atmos JOC

Compressed audio is passed transparently in HDMI self-lock mode.

Audio Input Analog
  • 2x 3.5mm mini Jack sockets for Left and Right audio
  • Selectable AES channel for audio embedding (1 through 8)
    (Overwrites any HDMI embedded audio present in selected channel)
Reference Input
  • 1x BNC Black Burst/Bi-Level or Tri-level sync
Fiber I/O
  • Optional plug-in SFP for optical SDI output
  • 12G/3G-SDI
  • Simplex Transmitter
UPC / EAN Model Name Description Comments
4250479328112 CHD 1412 HDMI to 12G-SDI Converter + Frame Synchronizer + Analog Audio Embedder No Fiber SFP

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Key Features

Supports 12G/6G/3G/1.5G/SD-SDI Standards
Up to 4K DCI, 4:4:4, 12-bit
Integrated Frame Synchronizer
“Cross-Lock” Compatible Reference Input
Support PCM, Dolby E, D, DD+ and Atmos JOC
Balanced Analog Audio, Unbalanced Line Level Audio and AES Inputs
HDMI, Reference and Audio Status LED

Yellobrik Accessories