> On 12 Nov 2022, at 01:46, Ulf Zibis <ulf.zi...@cosoco.de> wrote: > > Hi, > > I have transcoded a avi video to mp4 for compressing by factor 8. Now I see > interlace artifacts. E.g. the eagle in the back window of the bus or the > fence in the background. > Additionally I would like to reduce the noise for even better compression. > Any hint for a good filter? > > Refer: > http://jugkoeln.de/Videos/2012-01-03_21.46.40_6.29GB_15.avi > http://jugkoeln.de/Videos/2012-01-03_21.46.40_6.29GB_15.mp4
Hi Ulf, This is normal DV interlaced video. Open the .avi with VLC and turn OFF de-interlace, you’ll see how gorgeous the motion was on an old fashioned interlace aware screen. So, you need to de-interlace the filter. While you’re at it, you should crop a little, as SD is an over scanned format. And, you have non-square pixels that you have to accommodate for, so set aspect to 4:3 (in this case), or scale to a 4:3 ratio. Hth, Bouke _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
