[HSF] Video

[ebender001 at charter.net]

Mark:
Thanks for the response.  As a first step, perhaps allowing small quicktime files.  I am mostly interested in showing echo cine loops.  We can compress the hell out of them with the resultant product still being readable.

Ed Bender, MD


---- Mark Levinson <mmlevinson at hsforum.com> wrote: 
> 
> On Aug 20, 2007, at 6:37 PM, Edward Bender wrote:
> 
> > This is for Jon.  Maybe we can revisit the issue of video for the  
> > forum.  Perhaps limited storage of proscribed size/format.  Failing  
> > that, how about a forum sponsored You Tube private group.  I think  
> > we all want it.
> >
> Ed:
> 
> I could not agree more.    The issue is file size...upload time....  
> and compression
> 
> Many home edited digital movie files are huge....200 megs or more.    
> If you compress them before uploading, the compression may
> not be ideal for re-broadcast on the Web.       When we process  
> movies at the HSF, our production staff adjust the frame rate, bit rate,
> and compression CODEC to get best preformance for web broadcast.
> 
> You Tube solves this by converting all uploads to Flash media, and  
> there is open source code that can do this conversion.
> Still, very large source files take a very long time to upload.     
> Many of the You Tube videos were taken with pocket (point and shoot)
> video cameras taking MPEG2 at 15 frames / second at 320 x 140  
> resolution, and which are manageable in short sequences for file upload.
> However, my Luxtex OR camera takes at 640 x 480 at 30 fps, which is  
> more than 8 times the amount of data per second.
> 
> I have wanted for some time to be able to have any Forum member  
> upload surgical videos to our site automatically.     I can
> only say that it is a technical challenge to get the file uploaded to  
> the server, convert it to a quality suitable for web broadcast, and then
> post it.
> 
> We could set up a You Tube section, but I have not found it easy to  
> get back in to see You Tube videos which people have
> notified me about.   I posted a video there of my multiple  
> metastatice resection technique...but I can't find it!.     There is  
> a great deal of spam-like chatter on You-Tube as well.     So, its do- 
> able, but messy IMHO.
> 
> I will ask again amoungst my staff if this can be done via the  
> HSF.....it is definately a great suggestion..
> 
> Thanks,
> 
> Mark
> 
> Mark M. Levinson, MD
> Founder, Editor-in-Chief,
> The Heart Surgery Forum
> WWW: <http://www.hsforum.com>
> Email: <mmLevinson at hsforum.com>
> 
> 
> 
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