[mythtv-users] Basic requirements (hardware)

Jeff C tuner at hfx.eastlink.ca
Sat May 31 13:19:24 EDT 2003


At 11:09 AM 5/31/2003 -0400, you wrote:
>Jeff C wrote:
>
>># Turn down the sample rate for smaller files - about 2GB/hour
>>~jac/ivtv/ivtv/utils/test_ioctl -c bitrate=4000000,bitrate_peak=10000000
>
>jeff, in another thread you talk about jerky video, particularly during 
>transition points.  i have noticed that if i set my bitrate anything below 
>about 4.5Mb/s, then i start getting jerky audio.  if i set it to 2.5Mb/s, 
>then it is almost always skipping.
>
>i haven't had a chance to play around with this and get a proper report 
>together, but if you could test it at 2.5Mbps and lemme know if the 
>problem get worse, i'd appreciate it.  i'm on an athlon 1GHz (similar to 
>you) but i don't think the processor speed is the issue, i rarely break 
>10% watching mpeg-2 streams.  for the time being, i just went back to 8Mb/s.

Craig,

What speed disk are you using?  I'm on a 5400RPM disk with only a 2MB 
cache, and I am wondering if that might also be contributing?  I intend to 
go to a 120 or 160 GB drive at 7200RPM with an 8MB cache in a month or so, 
but until then I'm curious to know what you are using.

-Jeff




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