Is there any chance to post actual videos compressed with the listed methods. I want to test compatibility with a Pocket PC so we can end up with recommended compression method and settings that will be compatible with the iPod AND a Pocket PC. My users and I thank you ;- ).
Greg Smith Author, FeederReader - Pocket PC *direct* RSS text, audio, video, podcasts www.FeederReader.com - Download on the Road --- In videoblogging@yahoogroups.com, "Steve Watkins" <[EMAIL PROTECTED]> wrote: > > Many thanks for the guides/review. > > In regards the movie to ipod export option, believe it or not the > resolution that its giving you is actually a more accurate > representation of your NTSC DV footage than 320x240 is. > > Its an aspect ratio issue. NTSC is 720x480. To turn 720 into 320, > divide by 2.25. To maintain the aspect ratio, the same reduction > should also be performed on the vertical resolution. But if you divive > 480 by 2.25, you get 213.3333 not 240. > > So quicktime is actually just trying to maintain the aspect ratio. In > other parts of the world that use PAL rather than NTSC, DV res is > 720x576. So results are different with PAL footage. I just tried it > and my PAL 720x576 footage gets turned into a 300x240 clip. Same > reason, its maintaining the aspect ratio. This time its divided the > vertical and horizontal resolution by a factor of 2.4. > > Anyway in practise videobloggers havent been worrying about this > stuff, so in every videoblog created with a DV cam, the aspect ratio > is slightly wrong on the final 320x240 footage. NTSC footage at > 320x240 is stretched, so you are slightly thinner than in real life. > PAL footage is slightly squashed, so I am slightly fatter than in real > life. > > > More tech info on aspect ratio stuff here: > > http://www.mir.com/DMG/aspect.html > > Certainly easier to forget this issue than worry about it I guess, but > I can see why Apple have done what theyve done on this one. > > Steve of Elbows > --- In videoblogging@yahoogroups.com, Verdi <[EMAIL PROTECTED]> wrote: > > > Export "Movie to iPod (320 X 240)" > > I had hoped that this would be an easy to use preset that would be > > great for videobloggers and the iPod but it's not. If you edit some > > DV footage and use this option it will make your compressed video 320 > > X 213 which looks like crap. What this feature seems intended for > > (and is good at doing) is taking an old quicktime movie (compressed > > with something else like Sorenson) that you've already downloaded and > > make it work on you iPod. > > > > That's about it for now. > > Verdi > > -- > > Me: http://michaelverdi.com > > R&D: http://graymattergravy.com > > Learn to videoblog: http://freevlog.org > > Learn to videoblog in person: http://node101.org > > > ------------------------ Yahoo! Groups Sponsor --------------------~--> Get Bzzzy! (real tools to help you find a job). Welcome to the Sweet Life. http://us.click.yahoo.com/A77XvD/vlQLAA/TtwFAA/lBLqlB/TM --------------------------------------------------------------------~-> Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/videoblogging/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
