Mike Tomlinson wrote:
En el artículo , Tom Del Rosso
escribió:

A mpeg file can be copied over 100 times faster than it takes to
play it. The disk's speed therefore seems to be so much faster than
needed for video, why is it even necessary to speed it up by
reducing the error-correction?

Because PVRs don't just play; they simultaneously record, from two
sources on twin-tuner models, and have features such as live pause and
action replay. So the disk may be having to deal with simultaneous
multiple streams of data.

That's only 3 or 4 times the load, but I can see that thrashing and
re-seeking would slow it down a lot more.

Constant thrashing for long periods causes wear and heating too, so I wonder
if they are designed for that.


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