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Re: [videoblogging] Re: My iPod format is wrong?

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  • J. Rhett Aultman
    You re a research machine, Steve. Thanks. Luckily, the complaining viewer shows up at my parties a lot, so I can just ask him to bring the iPod with him or
    Message 1 of 12 , May 3, 2007
      You're a research machine, Steve. Thanks. Luckily, the complaining
      viewer shows up at my parties a lot, so I can just ask him to bring the
      iPod with him or something and see what the heck is going on.

      --
      Rhett.
      http://www.weatherlight.com/greentime
      http://www.weatherlight.com/freetime

      > OK Im concluding that all video ipods should be able to be updated to
      > run the same spec files as the current 5.5G ipod.
      >
      > And I looked into the bitrate thing a bit more and I dont think
      > there's anything wrong with your bitrate. The slightly larger bitrate
      > being stated is because that includes the audio, this is totally
      > normal. When I export your video from quicktime but select
      > 'pass-though', it tells me the bitrate for the video is 678kbps, which
      > is lower than the max ipod 768kbps spec for that sort of file.
      >
      > So just to re-iterate, the stated 768kbps ipod bitrate limit for
      > 320x240 baseline h264, is just for the video part, doesnt include
      > audio, so its normal that your video & audio combined can exceed that
      > bitrate.
      >
      > Cheers
      >
      > Steve Elbows
      >
      > --- In videoblogging@yahoogroups.com, "Steve Watkins" <steve@...> wrote:
      >>
      >> Strange, I thought I bought an ipod as soon as they could do video,
      >> yet mine is updated and can play the 640x480 stuff.
      >>
      >> What version of software does itunes say is on your ipod? Mine is 1.2.1
      >>
      >> Meanwhile Im not exactly sure about this bitrate thing. To be honest
      >> theres usually a bit of flexibility with bitrates, not least because
      >> the numbers we usually take about are the average bitrate, it often
      >> varies quite a bit throughout the file. Quicktime may report one
      >> bitrate for the file, but expensive mp4 analysis software can show how
      >> the bitrate changes over the length of the video.
      >>
      >> I'll see what I can find about ipod or itunes bitrate limits.
      >>
      >> Cheers
      >>
      >> Steve Elbows
      >>
      >> --- In videoblogging@yahoogroups.com, "J. Rhett Aultman" <wlight@>
      >> wrote:
      >> >
      >> > Well, I'm not using 640x480 videos. I generally render my NTSC avi
      >> into a
      >> > 320x240 MOV file first, then transcode the 320x240 MOV into a
      >> 320x240 FLV
      >> > and a 320x240 M4V. Since I'm not allowed to manually set options
      > when I
      >> > use the "movie to iPod" export in QT, that would basically mean that
      >> QT is
      >> > intentionally choosing a bitrate that's too high for some iPod
      >> > generations, no?
      >> >
      >> > --
      >> > Rhett.
      >> > http://www.weatherlight.com/greentime
      >> > http://www.weatherlight.com/freetime
      >> >
      >> > > FYI, 640x480 videos do not play on my video iPod. I think maybe
      > it's a
      >> > > generational thing with the iPod. I have the latest version of
      > iTunes.
      >> > > When I plug my iPod in and check for updates, I get the message that
      >> > > my iPod is up to date - so I am not being offered the opportunity to
      >> > > update the firmware (maybe I was in the past - if it says I need an
      >> > > update, I update). Nevertheless, the 640x480 videos will not
      > transfer
      >> > > onto the iPod even though they play fine in iTunes. Your users
      > may be
      >> > > in the same boat with me. I believe I bought my iPod last
      > February, so
      >> > > that's approximately 15 months ago. I think a new generation of
      > video
      >> > > iPod came out after that - I don't remember - if it did then it's
      >> > > possibly an iPod generation thing. When I have time, which will
      > be in
      >> > > about 2 weeks, I intend to take the iPod over to my local Apple
      > store
      >> > > and ask about this problem. If I learn anything useful I'll post
      >> it here.
      >> > >
      >> > > Cheryl Colan
      >> > > I vlog: hummingcrow.com
      >> > > I make: whatwefound.blogspot.com
      >> > > I teach: node101phoenix.org
      >> > >
      >> > > --- In videoblogging@yahoogroups.com, "J. Rhett Aultman" <wlight@>
      >> > > wrote:
      >> > >>
      >> > >> Thanks for a little sanity checking, Steve. I really will need to
      >> > > follow
      >> > >> up with the user in specific and see what's going on, because
      >> we've been
      >> > >> pretty sure that, at least for the recent episodes, things were
      > fine.
      >> > >>
      >> > >> --
      >> > >> Rhett.
      >> > >> http://www.weatherlight.com/greentime
      >> > >> http://www.weatherlight.com/freetime
      >> > >>
      >> > >> > That is indeed horribly confusing because m4v's created by
      >> quicktime
      >> > >> > ipod export option should always play. I just tried episode 6
      > on my
      >> > >> > ipod and it transferred and played fine.
      >> > >> >
      >> > >> > So I dunno, got any detail on what the people with a problem are
      >> > >> > experiencing? Plays o in itunes but wont transfer to ipod?
      >> > >> >
      >> > >> > Strange!
      >> > >> >
      >> > >> > Cheers
      >> > >> >
      >> > >> > Steve Elbows
      >> > >> >
      >> > >> > --- In videoblogging@yahoogroups.com, "J. Rhett Aultman"
      > <wlight@>
      >> > >> > wrote:
      >> > >> >>
      >> > >> >> Gang,
      >> > >> >>
      >> > >> >> I've had some complaints from my viewers that the .m4v files we
      >> > > generate
      >> > >> >> for distribution on iTunes are not compatible with video iPods.
      >> > > We're
      >> > >> >> finding this horribly confusing because we generate them with
      >> > > Quicktime
      >> > >> >> using the "Movie to iPod" exporter.
      >> > >> >>
      >> > >> >> Could I trouble someone to pull up
      >> > >> >>
      >> http://greentime.blip.tv/?file_type=mov,mpeg4,mp4,m4v,mp3&skin=rss in
      >> > >> >> iTunes, look at Greentime Episode #6 or #5 and see what might be
      >> > > wrong?
      >> > >> >> We can't find anything wrong at all, but we also don't have an
      >> iPod
      >> > >> > to try
      >> > >> >> it on.
      >> > >> >>
      >> > >> >> We'd be most grateful.
      >> > >> >>
      >> > >> >> --
      >> > >> >> Rhett.
      >> > >> >> http://www.weatherlight.com/greentime
      >> > >> >> http://www.weatherlight.com/freetime
      >> > >> >>
      >> > >> >
      >> > >> >
      >> > >> >
      >> > >> >
      >> > >> >
      >> > >> > Yahoo! Groups Links
      >> > >> >
      >> > >> >
      >> > >> >
      >> > >> >
      >> > >>
      >> > >
      >> > >
      >> > >
      >> > >
      >> > >
      >> > > Yahoo! Groups Links
      >> > >
      >> > >
      >> > >
      >> > >
      >> >
      >>
      >
      >
      >
      >
      >
      > Yahoo! Groups Links
      >
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      >
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