I would take a look at Kaltura, it's not so much a question of picking a
format that is appropriate for all different players as it is using a
streaming server that will allow derivative formats to be generated for
various clients. Kaltura seems to support this feature very well and we
have been using if for the last year. This is an open ended solution,
because as the formats and supported clients change, you can simply
generate the new derivative format and abandon the older format as time
goes by.

The basic sizes and formats you describe are there, we generally configure
a few different sizes in flash and h.264 plus support iPad formats.  The
viewer gracefully degrades to http streaming when flash capability is


On Saturday, November 26, 2011, Ken Irwin <[log in to unmask]> wrote:
> Hi all,
> I'm working with someone who's working to make their videos available
online and is particularly looking for mobile accessibility. That seems to
be a moving target these days, and I'm wondering if anyone with more
experience in this area might have some best-practices up their sleeve.
> We're trying to figure out:
> 1) What size & format to render the original vids in so they will be most
accessible, and
> 2) Which sizes and formats to make the lower-res videos available too.
> Flash, OGG, and MP4(H.264) are all on our radar.
> I think that Adobe Premier or something similar is probably the tool
they'll be using. They're looking at about 800 videos, so getting it right
the first time is highly desirable!
> Any thoughts?
> Thanks
> Ken

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