On 07/06/2018 09:13 PM, David Engel wrote: > Increasing this to 300 helped quite a bit on my 1080p TV, though, any > timestretching above 1x made it jerky again. It helped some on my 4k > TV. It fluctuated between short periods of smoothness and jerkyness. You can try increasing it more, for example try 2000. Peter