[mythtv-users] HDDs optimised for PVRs

Michael T. Dean mtdean at thirdcontact.com
Sat Apr 14 16:35:40 UTC 2007


On 04/14/2007 02:45 AM, Roo wrote:
>  On 14/04/07, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> >
> > What I want to know is where they've found a provider actually
> > transmitting high-definition video at the bitrate they mention:
> > "500GB – enough for up to 30 hours of HD video" which works out to
> > 16 2/3GB per hour. Converting from GB to GiB, that's 15.5GiB per
> > hour. The highest bitrate channels I see are about 8.5GiB/hour and
> > that's US MPEG-2 as opposed to the UK's MPEG-4 AVC (H.264).
>
>  It seems these drives a derivatives of the devices optimised for the
>  digital video recorder market used in the security industry. I think
>  this is where the very high bitrate and "up to 16 streams" statements
>  come from, recording multiple, high resolution surveillance cameras
>  simultaneously.


That makes sense.  It definitely doesn't sound like MPEG-encoded video.

Thanks,
Mike


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