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6

5GB for 30 mins of HD data is already highly compressed - a raw 1080p is stream is in the order of magnitude of 50 times that size. - It seems that your expectations may be unrealistic, or that you need to trade off quality for a smaller filesize. (Not sure if/how you can do that on an ipad - I suspect you can't - at least not unless you stop recording ...


5

The ARM CPUs in mobile devices are less powerful than their desktop counterparts even if their frequency is the same (you can't compare them), and even desktops still struggle with on the fly video encoding, that's why you can play a game smoothly at 60 FPS but as soon as you start a screen recording program your frame rate drops significantly (and GPU ...


4

Use standard .ISO format, used for CD/DVD image files. All your 4 requirements are met by the ISO format. Theres also the advantage that they can be created with quite a lot of programs (across all platforms).


3

When considering compression for small files, keep in Mind the NTFS cluster size of 4K: Files, that are below 4K and can not be compressed enough to fit entirely into the MFT record (i.e. more than a few byte) will use 4K before and after. A file of 7K with a compression rate of less than 1.8 will also use 8K before and after. Text files will benefit most ...


2

Yes, using the compression flags in the tar command directly (eg, tar czf) will reduce intermediate disk usage as it does not create any temporary uncompressed tar file, but rather uses pipes to pass the stdout of tar directly to stdin of the compression utility. Depending on how pipes are implemented on your particular system, tar might appear to be ...


2

You may find that HIBERFIL.SYS (a hidden system file) is taking up a lot of space on your main (internal) hard drive. If you want to reclaim this space at the cost of not being able to hibernate your PC any more you can follow these instructions: How to disable hibernation Alternatively you can run the following from a Command Prompt which is running in ...



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