AVCHD 720p/60 a problem?

Started Feb 18, 2009 | Discussions thread
florinandrei Regular Member • Posts: 483

They did it to keep most of your options open.

If you shoot 720p60 then you can easily convert it to 720p30, if that's what you want, which seems like it's becoming a good format for Internet-enabled "HD" (pseudo-HD, really, but that's the situation nowadays). Heck, you can even do 720p15 if bandwidth is a big concern.

You can also upscale it to 1080i60 very easily. As for why anyone would want to do that, it's simple to explain: if the movie is going to be shown mostly on 1080 displays (like the vast majority of HD screens today) then better upscale it in software, when you have control over the process and the quality is as good as you want, than leave it to each individual TV whose upscaling prowess may vary.

Even the conversion to 720p24, for that traditional "film look", or even 1080p24 (like the vast majority of Blu-Ray titles on the market nowadays), is not too difficult. It's actually one of the simpler cases of interpolation, the ratio is 2.5. With a good software for conversion, it may actually look decent.

Or you can just leave it in 720p60, which is always a wise thing to do (keeping a backup of the original, that is).

Note: 720-anything is pretty skinny. Real HD camcorders are capable of 1080 lines, and digital cameras need to get there before they can truly start to compete. These industries are probably moving towards some kind of convergence in the future, when a single device will be able to shoot HD (or whatever format comes after it) and high quality still pictures. But we're not there yet.

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