[ale] Delivering ALE meetings on "Video" (was ALE CENTRAL for Thurs., 12/8, 7:30pm: SCALIX)

Mon Dec 12 10:27:25 EST 2005

I can put meeting stuff on ftp.ale.org

On 12/12/05, James P. Kinney III <jkinney at localnetsolutions.com> wrote:
> On Mon, 2005-12-12 at 06:40 +0000, aaron wrote:
> > I have the video equipment readily available and, since I'm at most every
> > meeting filling the moderator role, it is no problem to make a video
> > recording of  the main presentations. At Jim Kinney's request, and in
> > response to his offer for hosting an ALE video repository, I recorded this
> > month's SCALIX presentation. That's the easy part.
> >
> > The challenge, as well as the more time and resource consuming part of the
> > process,  is capturing and encoding the 60 or 90 minutes of video in a format
> > that's appropriate and useful for delivery. Given that this is a Linux group,
> > I think the encoding format should, at the least, be a cross platform codec
> > with established, readily available Linux support, even if it is unlikely to
> > be open source (almost all of the current media CODEC schemes are proprietary
> > and thus are not  available as default components of free Linux distros).
> > Functionally, the codec format must also create files small enough to stream
> > on high-speed or be easily downloaded and yet still deliver a reasonable
> > quality image with readable slides.
> >
> > I've been discussing this a bit with Jim Kinney off list and researching the
> > issue, but I haven't hit on a good solution yet. From my extensive video
> > experience, I know that using video resolution (720x480) framed to include
> > the speaker with the slide projections filling about 70% of the screen area,
> > DV (25mbps) and well encoded DVD (~10mbps) are just barely up to meeting the
> > quality requirement for readability.  Given that DV is ~13gb/hr and quality
> > DVD is 4.4gb/hr., I'm skeptical that mpeg is going to provide a useful video
> > without  needing at least a gigabyte for every hour.
>
> Bandwidth issues can easily swamp my upload capabilities (768k). I am
> envisioning only the speaker portion to make the video portion smaller.
> This would be 25-40 minutes (unless it's me giving another 90 minute
> yawner :). So the upload amount drops to ~2Gb or about 40 minutes to
> upload one copy.
>
> Ugh.
>
> Maybe BitTorrent...
>
> >
> > Video format suggestions are welcome, and I can encode on Mac if the Linux
> > side is playback only, but my experience is that most of the stuff that gets
> > labeled as video on the web isn't. In response to the video problems, I am
> > also pursuing some alternative delivery approaches for providing useable
> > visual information with much smaller bandwidth requirements, specifically
> > along the lines of delivering the presentations as slides synchronized to an
> > MP3 narration track of the program.
>
> A most presenters are using some form of presentation tool, a la Open
> Office, this is a very good idea. Sound import as mp3 into a
> presentation and then adjust the slide timing by watching the video is a
> very workable process. If the presentation needs alternate video input
> from a gizmo brought in (I'm thinking about the VOIP presentation
> showing the hardware) then perhaps a low resolution video coupled with a
> hi-res still would suffice.
>
> It can all be "web-a-fied" with the export to Flash capability in OOo.
> Of course those of use who use a dual opteron system for a desktop can't
> view it as Macromedia _still_ has no 64-bit capable Linux binary and the
> 32-bit version crashes on load.
>
> >
> > peace
> > aaron
> >
> >
> > On Sunday 11 December 2005 15:30, Michael B. Trausch wrote:
> > > Trey Sizemore wrote:
> > > >
> > > > I think this is a great idea.  Provided we have the commitment, it
> > > > would be great to have the sessions video-taped and made available for
> > > > those that have a conflict on the night of a given presentation.
> > > >
> > > > Does anyone have equipment to do this for the respective Central and NE
> > > > meetings?
> > > >
> > >
> > > I second this, for the same reason.  I'm not sure how many people here
> > > cannot make it due to scheduling conflicts and such, but for the moment,
> > > I'm one of those, too.  :-(
> > >
> > >     - Mike
> > >
> > > --
> > > Michael B. Trausch                                      fd0man at gmail.com
> > > AIM: MB Trausch                             Jabber:  mtrausch at jabber.com
> > >
> > >
> >
> > _______________________________________________
> > Ale mailing list
> > Ale at ale.org
> > http://www.ale.org/mailman/listinfo/ale
> --
> James P. Kinney III          \Changing the mobile computing world/
> CEO & Director of Engineering \          one Linux user         /
> Local Net Solutions,LLC        \           at a time.          /
> 770-493-8244                    \.___________________________./
> http://www.localnetsolutions.com
>
> GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
> <jkinney at localnetsolutions.com>
> Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
>
>
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