[mythtv-users] MythTV vs. Windows Media Center
jedi
jedi at mishnet.org
Mon Feb 14 16:13:31 UTC 2011
On Sun, Feb 13, 2011 at 09:00:30PM -0800, Yeechang Lee wrote:
> Reynolds, Brian <Brian.Reynolds at fiserv.com> says:
> > How many hours of HD recording can you get in Myth with 2TB of
> > storage space? Let's assume you're using H.264.
>
> HD-PVR: 2000GB / 1.8GB per hour = ~1100 hours.
>
> HDHomeRun: 2000GB / 7GB per hour = ~266 hours.
>
> The HDHomeRun figure will in practice be larger than 266 since many HD
> channels over broadcast ATSC (or clear QAM cable) won't use the full
> available bitrate. A 5.4GB per hour bitrate equates to 370 hours, so
> 300 hours is about right given a typical mixture of bitrates.
>
> Conversely, while the default HD-PVR bitrate settings produce
> excellent HD video, using the maximum available bitrate will
> approximately double the space used per hour.
Do the max settings do anything in terms of quality though?
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