Re: [MLUG] video compression

[Mike Miller <EMAIL:PROTECTED>]

On Mon, 7 Jan 2008, Scott Hussey wrote:

> > ----- Original Message -----
> > From: "Mike Miller" <EMAIL:PROTECTED>
> > To: "MLUG membership" <EMAIL:PROTECTED>
> > Sent: Monday, January 07, 2008 2:37 AM
> > Subject: [MLUG] video compression
> >
> >
> > > My digital video camera stores raw video on tapes that I transfer to 
> > > my hard drive where they consume about 13 GB/hr .avi files.  I would 
> > > like to retain all the information in the original files somehow and 
> > > be able to reuse the digital tapes, but the files are too big to fit 
> > > on a DVD.  I compressed a 677 MB avi file using gzip, but the 
> > > resulting .avi.gz file was still 599 MB, and it took a long time to 
> > > compress.
> > >
> > > Maybe I can just process the .avi files in the usual way to make video 
> > > DVDs without experiencing a noticeable loss of video or audio quality. 
> > > Do any of you have experience with this?
>
> AVI is just a container. It depends on the video codec used to within 
> the AVI container. At 13 GB/hr, you should have enough info to transcode 
> it to mp4 without noticeable degradation. Check out ffmpeg, I've used it 
> to transcode stuff and it is pretty easy.

I should study AVI and codecs a little more.  I knew that there were 
different AVI formats because I have had AVI files that would only play 
with a certain program.  Thanks for the tip on ffmpeg.

Mike

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