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34 votes
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How to downsample 4k to 1080p using ffmpeg while maintaining the quality?

The default settings for ffmpeg are very low quality, and since you don't specify any codec or quality parameters it's just using the defaults (I don't know why the devs don't fix that because it ...
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13 votes
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How is "definition" (SD, HD, UHD) actually defined?

The problem is that definitions such as HD, UHD and 4k etc. are partly hype. Marketers for AV equipment like to be rather elastic with the truth, hence the rather rubbery definitions. They're not ...
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8 votes
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4k vs. 1080p on a 1080p monitor

No, there is no difference to the human eye (or exceptionally minimal). Your monitor can't display higher quality than it is capable of displaying. The only advantage you would have is if you were ...
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  • 19.2k
5 votes

4k vs. 1080p on a 1080p monitor

There's not a lot of point to it. You're using more network bandwidth to download it, and your computer is working harder to display it, but no, you get no additional visible quality from it. In fact, ...
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  • 2,146
4 votes

how to burn full hd movies (1080px720p) in DVD

DVD Video is limited to Standard Def, not High Def (HD). Blu-Ray overcomes that limitation. Alternatively you can use the DVD as a filesystem and play arbitrary media using a computer. But as a ...
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3 votes
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Should I shoot at 1080p if I intend to use 720p on the web?

There is no one right answer to this very general question, but here are the considerations. Some cameras (such as the Canon EOS DSLRs) have very naive line-skipping algorithms to decimate their ...
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2 votes

Does the screen resolution override the source resolution?

They both matter. What really matters is the combination of the two. Scaling always produces a loss of quality unless you are using an even multiple of the resolution. This is because interpolation ...
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  • 19.2k
2 votes

Why are some of my videos I just uploaded to Youtube in HD and some aren't?

Apparently Youtube took some extra time to process the HD. Both are showing in HD now.
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2 votes

How to downsample 4k to 1080p using ffmpeg while maintaining the quality?

Convert 4k to 1080 (no change in codec) ffmpeg -i input4kvid.mp4 -vf scale=1920:1080 -c:a copy output1080vid.mp4 Convert h.264 to h.265 (no change in resolution) ffmpeg -i input.mp4 -c:v libx265 -...
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2 votes
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Interlaced Video Format 1080i (59.94)

You're not going to be able to replicate the precise "look" of 59.94, even with special plugins. This, due to the fact that interlaced is in many ways like: Double Frame Rate - Half Resolution. ...
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  • 2,457
2 votes
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Is 4K 4.2.0 just HD 4.4.4

4:2:0 means that only the colour information is subsampled. So while that the colour is at a lower resolution the brightness information is at full resolution. This works because human vision is more ...
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1 vote
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Any tips how to increase editing speed on Premiere Pro?

I use Cinegy Daniel2 codec for editing in Premiere Pro. This codec take more space on disk, but work veeeeery fast compare to H264. Also it work more fast for me compare to ProRes. Cinegy Daniel2 can ...
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1 vote

Downsample in Youtube or in editing software?

YouTube will transcode your files regardless of what you upload. If you upload a 1080 file, it will create its own file using their new codec (which I am not sure is 100% deployed yet but is already ...
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  • 2,457
1 vote
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Downsample in Youtube or in editing software?

If you can afford the additional upload and processing time to You Tube, you should use 4k. Not only will this look better for most people (Not actually look better, but rather it looks more modern to ...
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1 vote

Can upconverting 1080p videos on 4k TVs, lower their quality?

Upsample by an integer ratio can be completely blameless, just repeating pixels and lines gets it done, no new information, and you get only the original resolution displayed, but no losses either. ...
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  • 211
1 vote

How to downsample 4k to 1080p using ffmpeg while maintaining the quality?

Use avconv if you want: avconv -i 4kfile.mp4 -s hd1080 -c:v libx264 -c:a copy fullhdfile.mp4
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1 vote
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How to encode 60p MP4 video to play on TVs?

Unfortunately, smart TVs are still a relatively young market and the ability to play back video files is not yet uniform. Each TV may support or not support a variety of formats, resolutions and ...
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  • 19.2k
1 vote

4k vs. 1080p on a 1080p monitor

Others have said the answer is simply no, but that's not entirely true. You can get some slight improvement from downscaling; errors and artifacts in the stream will be less visible, but this slight ...
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1 vote
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Does the screen resolution override the source resolution?

If you're only delivering to the HTC One mini, then yes, screen resolution overrides source resolution, as you put it. Your assumptions are correct about 1080p video either having to be scaled or ...
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  • 4,211
1 vote

What Beginner Video Editing Software Should I Use?

If Adobe Premiere has too steep a learning curve, you might like Adobe Premiere Elements. It is a pared down editing package and not as complex as Adobe Premiere. You can download a free trial here. ...
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  • 387
1 vote

What Beginner Video Editing Software Should I Use?

I can't really compare with other software, but I really like HitFilm Express 4. I've done everything you said in it. This basic version is free, has some excellent tutorials. It isn't a dumbed down ...
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  • 143
1 vote

What Beginner Video Editing Software Should I Use?

Free = BlackMagic Davinci Resolve 12.5 (Win, Mac, Linux) It is a fully fledged NLE and Colour correction and if you want to jump into the realms of SFX they offer Fusion for free as well (bear in ...
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1 vote

What Beginner Video Editing Software Should I Use?

I started to use Sony Movie Studio and have found it easy to get to grips with after watching an excellent set of tutorial videos titled "Video Editing Basics for Vloggers" by CalmBiker on YouTube. ...
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  • 236

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