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Advice about ffmpeg options to further compress video?

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Hello

I shot a video of a concert that I need to further compress from its original 2.7GB so I can share it with friends.

Here's the original file:
Quote:

Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:1[0x80]: Audio: ac3, 48000 Hz, 5.1(side), s16, 448 kb/s
Sound should be preserved as much as possible, but video isn't as important.

I was thinking of using the following options to run ffmpeg (version N-46469-gc995644 on Windows):
Code:

ffmpeg -i input.mpg -c:v libx264 -vf scale=iw/2:-1 -preset faster -c:a ac3 -ab 192k output.smaller.mp4
What do you think?

Thank yoou.

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