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MythTV Deinterlacing

Deinterlacing is the process of converting traditional Interlaced Video into a Progressive Picture that can be displayed on modern non interlaced display devices such as LCD or Plasma screens.

MythTV has several options for Deinterlacing. You can find the configuration options under Mythfrontend->Utilities Setup->Setup->TV Settings->Playback


  • Linear Blend
  • Kernel (Less Motion Blur)

This requires SSE support compiled into your Kernel

  • Bob 2X Framerate

This requires Xv or XvMC video acceleration

  • One Field
  • Linear Blend


If using a Nvidia TV output (composite/svideo) & watching PAL/NTSC signals there should be no need to deinterlace video because the TV output's flicker filter's default setting (of 127) makes interlaced material look perfectly natural - exhibited on FX5200 svideo output - YMMV.