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SM22 is a 3G-SDI/HD-SDI/SDI audio embedder.

SM22 accepts up to 8 channels of analogue audio which it embeds into a 3G-SDI/HD-SDI or SDI video stream





(Contact SingMai for dealer prices, quantity prices or alternative payment methods)

Power Supply lead


Download the SM22 user manual:





SM22 Specifications

Video Input:

525i/625i SDI - SMPTE-259M, HD-SDI (SMPTE-292M) or 3G-SDI (SMPTE-424M).


Audio Input:

Up to 4 channels of stereo analogue audio. 48kHz sample rate, 24 bit precision.


Video Output:

525i/625i SDI - SMPTE-259M, HD-SDI (SMPTE-292M) or 3G-SDI (SMPTE-424M), reclocked with embedded audio.



  • 120mm x 80mm x 30mm.


Power Supply:

  • 5VDC (90V-260V AC-DC adaptor supplied). YouTube page

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