Which is better video: 1080i 60i/30fps or 720p 60fps?

[jbitakis]

Just wondering all of you guys opinion. What is better video quality, 1080i 60i/30fps OR 720p 60fps? They both are bluray compliant. One has 1/2 the frames but more resolution (1080i 60i/30fps). One has twice the frames but less resolution (720p 60fps).

[poisondeathray]

Just wondering all of you guys opinion. What is better video quality, 1080i 60i/30fps OR 720p 60fps? They both are bluray compliant. One has 1/2 the frames but more resolution (1080i 60i/30fps). One has twice the frames but less resolution (720p 60fps).

Not quite true, 1080i vertical resolution isnt 1080 - it's half that . Both have the same temporal resolution (same cycles per second)

In the end - it's largely dependent on the quality of your HDTV's deinterlacing/processing . Expensive sets do other things than simple deinterlace -the try to interpret inbetween the lines and fill in the missing information, some are motion adaptive. Cheap sets will do poor job and you're left with lots of artifacts and buzzing lines/aliasing

In theory, when there isn't any movement, a motion adaptive deinterlacer is supposed to weave 2 fields together - so the resolution will be full 1080 in those sections. But usually - In practice, usually everything is deinterlaced and degraded

[aedipuss]

different tools for different jobs. higher res for low motion, higher fps for things like sports for less motion blur.

[_Al_]

You make it interlace and then you spent more money for TV that does good deinterlacing instead of getting media player that you should get instead for 60p full HD playback.

[jbitakis]

Tried the media player once, got burned with loss of audio after few min. Leary of trying another one.

[pippas]

Just wondering all of you guys opinion. What is better video quality, 1080i 60i/30fps OR 720p 60fps? They both are bluray compliant. One has 1/2 the frames but more resolution (1080i 60i/30fps). One has twice the frames but less resolution (720p 60fps).

720/60p is the winner, IMHO. My camcorder shoots as 1080/50i (I'm in PAL land) and I get my best results converting to 720/50p.

Looks better on my computer monitors, (LG and Hannsg) my Panasonic LCD, and my Panasonic plasma. Doesn't need to rely on the quality of any TV deinterlacing processing.....

Of course, if you're talking about edited footage, then the quality of the final result will also depend on the quality of any re-encoding encountered in your editing process.

I transcode to Canopus HQ as an intermediate (now available as a free codec from Grass Valley, for Win7 users) and then use Virtualdub to deinterlace and resize the edited footage. I then use x.264 for the final encode from within Virtualdub.



Super results... and all with freebies!.....

[Stears555]

What about 1080@30 PSF (progressive segmented frame) VS. 720p@60 ????

[racer-x]

Just wondering all of you guys opinion. What is better video quality, 1080i 60i/30fps OR 720p 60fps? They both are bluray compliant. One has 1/2 the frames but more resolution (1080i 60i/30fps). One has twice the frames but less resolution (720p 60fps).

As someone said in an earlier post, it all depends on the source footage motion. My Panasonic shoots 60p and options for export encoding are:

1 Low motion / panning: Encode 30p (there is a "fake interlaced" switch for x264 to help compatibility with Blu-Ray Authoring.

2 High motion / sports: Encode 720/60p.

For low motion with minimum and steady panning you can also Encode as 1080/24p. Going from 60f to 24f will have no duplicate frames. It won't be as precise as going to 30f, but it looks good with minimum motion and panning.

I do all editing in Vegas 1080/60p timeline, export via Frameserver into Virtualdub, then adjust framerate/size and encode within Virtualdub to x264 via export with external encoder using blu-Ray compatible settings.