When using the newly added 960x540p profile for the first time in DVB Extreme (with a console parameter to force interlace to progressive conversion) their was very noticeable interlacing on the output.
To fix this use the following parameter:

  crossconversion.doNothing=true 

[‎02/‎11/‎2016 12:19] Matthieu Muller: In fact, our crossconversion filter was forcing the encoding resolution to 960x540i25 and not p50 It should greatly improve the VQ

This affected version 7.00.07.077 but will be fixed in a future release meaning this parameter may not longer be required.