[mythtv-users] DTV HD and myth

[Robert Kulagowski]

>>  For those of us who really want to capture HD, here's some info I found
>> digging on Google
>>  A dual Opteron 252 (2.6Ghz) took 80% cpu power to capture 1080i60
>>  It also took up 6.9GB for 1 minute of video, which works out to 117MB/s
> ... so why can my $25 air2pc HDTV card capture a 1080i signal and
> do it in 8GB/Hour and 'raw' hdmi capture stuff is this massive?

Because your $25 air2pc HDTV card isn't dealing with uncompressed HD video.