[mythtv-users] PVR500, PCHDTV 3000, and AMD64

[Brad Fuller]

R. G. Newbury wrote:
> Brad Fuller wrote:
>   
>> R. G. Newbury wrote:
>>     
>>>  With the 
>>> HD3000 card first, myth grabs one of the PVR500 tuners for LiveTV and 
>>> that is much more likely to work.. It is LiveTV which is the bugbear of 
>>> using the HD card.
>>>
>>>       
>> you got that right.
>>     
>
> And speaking of PVR500's and HD3000's, has anyone noticed a difference 
> in file size for the same program, recorded with the PVR500 and with the 
> HD3000?
>
> I grabbed a number of repeats of a one-half hour show about the Volvo 
> Ocean Race, from Rogers Sportsnet.
> I got shows on analog cable channel 22 and on digital (but non-HD) 
> channel 404. Same program, time-shifted.
> These programs are different sizes!
>
> I'm not at the machine, but IIRC the analog recording was 1.24 G and the 
> digital recording was .89G (no transcode, no commercial cutting).
>   

I would expect them to be different sizes, but not the ATSC smaller. 
Maybe it's your encoding settings.

Maybe the stream on the  ATSC channel  has less I-frames than usual -- 
isn't that a practice to save bandwidth (cost).

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