SM15 is a NTSC and PAL Video Decoder and frame sychroniser.


SM15 accepts NTSC or PAL composite video which it decodes using an adaptive 3D comb filter and retimes in a frame synchroniser. The output is SDI.


SM15 video decoder with synchroniser - block diagram


Download the SM15 user manual:

SM15 NTSC/PAL video decoder with synchroniser user manual





SM15 Specifications

Video Input:


CVBS (BNC: ~1.0V into 75Ω).

12-bit ADC, 27MHz sample rate.


Video Output:

525i/625i serial digital interface (SDI - SMPTE-259M).


Video Decoder:

Motion adaptive, minimum delay 3D comb filter (frame, field, line, notch selected on a pixel by pixel basis). Latency < 150us.



Full frame synchroniser.



Stereo analogue audio input (48kHz sampling).

Audio embedded into SDI output.



  • 120mm x 80mm x 30mm.


Power Supply:

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


SM15 Video decoder and synchroniser - connections.


Video Decoder. 3D adaptive comb filter. 3D adaptive comb filter.
Video Standards. NTSC/PAL NTSC/PAL
Accept unstable inputs. Yes Some. (not non-TBC VCR).
YC input. Yes. No.
Synchroniser (TBC). Yes. Yes.
Video Noise reduction. 3D Recursive noise reduction. No.
Additional Features. Procamp. Synchroniser controls. No.
Audio embedding. Yes. One stereo channel. Yes. One stereo channel.
Output. SDI. SDI. YouTube page

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