Re: Poll: What is the Preferred Format for Aviation Video Download

WMV Please! Real is always a prob, tries to take over all kinds of
stuff... :(

Dave



On Thu, 26 Jan 2006 16:54:34 -0500, "John T" <jt@xxxxxxx> wrote:

>I share a number of flying videos on my web site in both Windows Media and
>Real Video formats. Frankly, I'm tiring of spending the time to render both
>high- and low-bandwidth versions of each video in two formats (making four
>files for each video), so I'm considering using a single format for all
>videos - which brings me to my question:
>
>Given a choice to download the following formats, which would you choose and
>why?
>
>MPEG-4
>WMV (v9)
>Real (v10)
>
>Some issues for consideration include:
>Size. MPEG-1/2 files are simply too large compared to Real and WMV. While
>storage isn't an issue, bandwidth is (and I run my own server that does not
>sit on a backbone).
>
>Quality. WMV and Real offer decent quality at a bitrate of ~250kbps. Of
>course, lower bitrates of ~53kbps (to support modem users) drastically cut
>down the quality in any format, but WMV and Real offer at least enough
>information to pick out a runway while on final. :) MPEG-4 offers similar
>quality for only a slightly larger file (for instance, a sample 1 minute
>video is about 1.99MB in WMV and 2.02MB in MPEG-4 for similar bitrates).
>
>Playback. Windows Media Player (WMP) is free and widespread on the most
>popular PC operating system. Real Player is free and is bundled with many
>name brand computers. There is a fairly wide range of players compatible
>with MPEG-4, though, including proprietary players (like Real and QuickTime
>[also free]) and "third-party" players.
>
>Compatibility. WMV and Real are proprietary formats, but they are relatively
>"open" and encoders are freely available for both formats. They also have
>the backing of some of the largest players (business-wise) in the computer
>industry. MPEG-4 is a standard published by international standards bodies,
>but licensing issues have kept encoders out of the mainstream for several
>years. However, that appears to be less of an issue now with a fairly wide
>availability (not necessarily distribution) of encoders and players. While
>most users are likely running some flavor of Windows, there is a large
>number of non-Microsoft users (both in OS and software in general). MPEG-4
>would appear to be the cross-platform format of choice, but not unless there
>is a large enough market penetration of players.
>
>Thanks for your input!

.

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