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Change Aspect Ratio without converting?

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Rippleman    2,701

I have done lots of converting in the past and present, but sometimes come across video files that are in the format I want but have the wrong aspect ratio. In Media Player Classic i can still watch normally by "override aspect ratio" but i would much rather change it permanently and not have the hassle of changing back and forth from aspect to aspect depending on the video. the reason why i think this could be an easy fix is because when you play a file, obviously the media player has to know how to play it with a set of parameters right?

here is a pic of what i would like to change:


Is there a way to change these details in Windows 7 or even maybe a 3rd party program?

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Ryoken    932

If it's a MKV, you can actually set an AR in MKV Merge. That said not all players/decoders/splitters support it, but it is worth a shot.

Only some get it from the container, that's why it doesn't always work, some read the AR from the actual video itself ( like the h264 inside a MP4 and most MKV's ), which Cannot be changed without re-encoding.

If it's not a MKV, you can demux, and then remux it into a MKV. That is, if you are fine with MKV's..

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happyfamilygood    1

I use iDealshare VideoGo to change video aspect ratio, it can change aspect ratio of mp4 file with or without re encoding.

Step by step guide at

To change aspect ratio of mp4 file without re encoding, you need follow the steps below:

Click the "Profile" drop down button to MP4 from "General Video" category.

Then click "Setting..." button to open the "Advanced Settings" Window. Go to the "Advanced" tab, double click MPEG-4 on the right side of Video Codec to select Copy from the drop down list.

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