I think one can get a bit too hoity-toity about commercial software; and
I am not fan number 1 of Microsoft either;
BUT, as VLC (which is Open Source, Hurrah, Hurrah, Hurrah) plays WMV
files "just like that" we should not complain.
I know, Andre, that if somebody suggested I ran out and bought 2 dv
cameras and then spent ages fiddling around reimporting
the recorded video files and so on I would get a bit miffed.
Obviously the chaps on the Webinar did "what came naturally" with the
broadcast software; I know I would.
Andre Garzia wrote:
Bill,
I am sure you guys probably thought about this before. You can use external
monitor adapters on both computers hooked to dv cameras to record both
screens at the same time. Then you can pick these high quality sources
and edit to recreate the cuts you made live.
it's a ton of work and needs two cameras but it has no quality downside.
I am fine with the WMVs you put though, they play fine on my mac with vlc
cheers
Andre
On Wed, Jun 24, 2009 at 11:25 PM, Bill Marriott <w...@wjm.org> wrote:
Michael,
Really?
Really.
I think you should forego foisting MS POS formats on everyone and
use mp4 for distribution instead. I can explain how if necessary.
Be my guest. We've already spent dozens of hours trying to work around
this.
The GoToWebinar software we use for our webinars records *only* in WMV --
our choices are WMV that uses a special GoToWebinar codec that works only
on
Windows, and requires installation of the GoToWebinar software; or a
cross-platform, portable WMV. Every option we have tried to transcode such
files has resulted in, at the minimum, a file size of twice as large, and a
loss in quality (such as what you would get converting a WMA file to MP3).
For example, we had to recode an earlier webinar because of a glitch and
the
file size went from 50MB to 140MB after our best efforts.
Some people have suggested we use a second computer to capture the video
using different screen recording software, but this is also sub-optimal as
a) the second computer is capturing compressed audio/video as a "guest" of
the conference, not capturing the source screens; b) the GoToWebinar
software captures the screens at a consistent resolution, without needing
to
worry about resetting the capture rect as we change presenters and other
details; c) the other programs often require installation of a special
codec, themselves.
Note also that you said you prefer mp4, as if this were a universal format.
But most Windows users cannot view that format, without having QuickTime or
other additional software installed, and we wouldn't want to "foist"
anything on them. Plus WMV is a "progressive download" that starts to play
fairly quickly, as opposed to requiring the whole file to be downloaded.
So, if you've got an idea that doesn't have these downsides, let me know.
- Bill
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