Oh any help how to get the maximum compression out winrar or a step by step guide would be appreciated. Thank you in advance.

Put the data inside a mini-blackhole and activate Future Gadget #8 PhoneWave (name subject to change)

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3 points

Well, it’s sort of possible to compress large things into small sizes. But I don’t think it would work for this situation.

There are things called “.zip bombs”. Where an otherwise small file, when unpacked, can take up a large amount of space.

A famous example of a zip bomb is titled 42.zip, which is a zip file of unknown authorship consisting of 42 kilobytes of compressed data, containing five layers of nested zip files in sets of 16, each bottom-layer archive containing a 4.3-gigabyte file for a total of 4.5 petabytes of uncompressed data.

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3 points

Zip bombs wouldn’t apply here, from what I understand to create those you’d have to start with uncompressed data. The typical example is using a bunch of zeroes as the starting point, not only is that compressible but the compression algorithm will look for redundancies in the data to increase the compression efficiency (a bunch of zeroes would have tons of redundancy).

Stackoverflow has a good discussion on it https://stackoverflow.com/questions/1459673/how-does-one-make-a-zip-bomb

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6 points
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80 gb is not a lot for movies. My average 4K movie is between 60 and 80 gb per movie. If you start encoding and compressing them you start seing compression artifacts and reduction in quality very quickly.

My advice: don’t compress movies if you can. Just get more storage. Storage is relatively cheap these days.

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1 point

What. If you compress them to zip, 7zip, rar, etc. You will never get any artifacts

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1 point

I guess they are talking about re-encoding because video files are already compressed.

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1 point

You can compress with the method above to save more space. But you have to uncompress before watching

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10 points

If you can sacrifice quality, you can encode the videos at a lower bitrate, but that is lossy compression, not lossless. Also, if your videos are in h.264 codec, then transcoding them to h.265 and preserving the quality may be a way to get the files smaller. You would use a tool meant for video, like Handbrake for this, and not winrar or other generic compression tool.

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15 points

just throw away every second frame. repeat for more compression. at some point you ll be left with a couple of pictures to remember the story and replay it faithfully in your head.

you welcome !

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