[mythtv-users] DTV HD and myth

[David George]

On 07/18/2007 11:24 AM, jack snodgrass wrote:
> On 7/18/07, Richard Woelk <richardwoelk at yahoo.ca> wrote:
>
>   
>>  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 it is receiving MPEG2 compressed data, not raw data.