[mythtv-users] MythTV vs. Windows Media Center

belcampo belcampo at zonnet.nl
Mon Feb 14 18:20:41 UTC 2011


jedi wrote:
> 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?
Yes, but if that's perceivable depends on your eyes.
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