I have a brand new
Dell PC, XPS 400, Pentium 4, 3.2 GHz (dual-core) with 2 gigabytes of memory.
Video card is a top of the line ATI Radeon X1900 XTX 512meg. Quicktime is
configured for 5.1 speakers, 44KHz, going through a Soundblaster X-Fi
XtremeMusic card. Brand new installation of Windows XP Media Center
edition, completely up to date with drivers/software (including the latest
Quicktime) and the playback of 1080p content "slows down" every 2 seconds or so.
It's like 3 seconds of smooth playback, then 2 seconds of slightly choppy..
repeat over and over.
This is a completely
new installation of Windows (without any of Dell's junkware) and there is
nothing else running in the background. I'm really out of ideas on this
experience this? In searching the web, I've found a few other places where
people are complaining about the same thing:
Windows Media HD
clips and DIVX HD clips play back fine, as do standard transport streams in
1080p (via nVidia's MPEG2 decoder.)
If an Intel 3.2
GHz dualcore processor is not fast enough to playback 1080p content on Windows,
how the heck are the Intel-based Macs doing it? Apple's website shows 3GHz
dual-core as the bare minimum requirement for 1080p
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