• Supports SD/HD/3G -SDI formats
  • 3D support
  • Integrated Frame Synchroniser
  • Multi-format sync reference input - cross lock compatible
  • 2 x SDI outputs with optional SDI fiber output
  • HDMI embedded audio passed transparently
  • 2 x external analog audio inputs
  • Professional balanced analog audio inputs or unbalanced line level audio inputs
  • Selectable AES channel for embedding external audio
  • HDMI, reference and audio present LED indication



The CHD 1812 is a versatile and compact HDMI to SDI converter with integrated frame synchroniser. It is an ideal solution for any application which requires a fully synchronized SDI input from an external asynchronous HDMI source.


The flexible reference sync input will accept any analog video sync format including SD bi-level sync, black burst, colorbars and tri-level HD sync. The sync input is auto detecting and fully cross lock compatible. For example:  An SD black burst 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 stereo pair of analog inputs can be embedded into any AES channel.  Inputs can be either professional balanced audio with selectable full scale level, or unbalanced consumer line level audio.


Any audio present in the HDMI stream will be embedded into the SDI outputs, or can be replaced with the external audio input.


An optional SDI fiber output is also provided (Single Mode Fiber)


For legal reasons, capture devices from LYNX Technik AG are designed not to capture, convert or transmit video or audio from copy-protected sources, e.g. video devices using HDCP.


SKU C-HD-1812-1
Brand Lynx Technik
Shipping Weight 0.9000kg
Shipping Width 0.260m
Shipping Height 0.080m
Shipping Length 0.230m

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