Forum archive - Possible to change AVCHD aspect ratio?

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Possible to change AVCHD aspect ratio?

hiimbored posted 2009 Oct 10 14:22

I have a Panasonic BD-60 Blu-Ray player so it can only play AVCHD I guess. I authored a AVCHD disc using TSmuxer but on my Blu-Ray player, the picture is vertically stretched. The picture looks like it is supposed to have the black bars on the top and bottom, but it doesn't. Is there a way to correct this (using either tsmuxer or multiavchd)? Thanks!

edDV posted 2009 Oct 10 15:50

hiimbored : I have a Panasonic BD-60 Blu-Ray player so it can only play AVCHD I guess. I authored a AVCHD disc using TSmuxer but on my Blu-Ray player, the picture is vertically stretched. The picture looks like it is supposed to have the black bars on the top and bottom, but it doesn't. Is there a way to correct this (using either tsmuxer or multiavchd)? Thanks! What was the source? 16x9 Camcorder? Anamorphic DVD? What is the TV monitor? HDMI connected 1080p 16x9, or...?

hiimbored posted 2009 Oct 10 23:59

Source was a Blu-Ray, and the file is a 1080p mkv file. The TV monitor is HDMI connected to 1080p 16x9.

dwisniski posted 2009 Oct 11 08:46

Use uncropmkv to re-encode the video and add black bars to the top and bottom so that way you will have a compliant video. Then run through tsmuxer or multiAVCHD and your video will be in the correct aspect ratio.

hiimbored posted 2009 Oct 12 16:59

In uncropmkv, do I have to change anything besides the "Resize" option? I switched it from 1920x800 to 1920x1080, does that sound right? I'm just trying to add black bars to the top and bottom so I can watch it on my 16:9 TV.

guns1inger posted 2009 Oct 12 19:45

UncropMKV should work it all out when you load the video. The only change you should have to make is to select an appropriate encoding quality. For a 720p video with a running time of around 95 minutes it takes around 10 hours to encode using 2-pass VHQ on a 6600 Quad Core using 3 cores. If your computer specs are correct in your profile, you could be looking at 24 hours or more for a result.

johns0 posted 2009 Oct 12 20:03

Try using 2pass fast encoding with uncropmkv,takes me 2 hours to re-encode a 100 minute mkv 1920x800 to 1920x1080,the bitrate will be high enough as long as the clip isnt a fast paced action thriller.Using 2p vhq to me is too long a time unless its very important footage.

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