Challenges of bd applications - Blu-ray Forum

erdega79 · 05-14-2005, 12:11 AM

Quote:

cpu power required for real time playback may exceed 5ghz

did I understand that right or not :shock: ? page 8 here http://www.blu-raydisc.com/assets/do...cs-3-12968.pdf

Blue · 05-14-2005, 02:02 AM

Depending on how complex the codes are and how poorly the software is written you may need 10GHz. However the trick is in using dedicated hardware decoders. The typical example is with DVD players. They are not known to have much computing power but can decode MPEG2 very well. Do the same thing on your computer and watch the cpu ussage go through the roof.

Blu-Wave · 05-15-2005, 11:31 PM

... of course, Sony and others have developed the multiprocessor Cell architecture, and even Intel and AMD are rolling out PC designs with more than one processor in each package - or even on the same substrate!

Both firmware and software solutions are likely to become available - particularly as, with a multiprocesor system you can carry on working and let the encoding or whatever carry on in the background without the front processor missing a beat ... 8)

05-15-2005, 11:31 PM	#3
Blu-Wave Active Member Member since:Apr 2004	Parallel Processing to go ... ... of course, Sony and others have developed the multiprocessor Cell architecture, and even Intel and AMD are rolling out PC designs with more than one processor in each package - or even on the same substrate! Both firmware and software solutions are likely to become available - particularly as, with a multiprocesor system you can carry on working and let the encoding or whatever carry on in the background without the front processor missing a beat ... 8)

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05-14-2005, 02:02 AM	#2
Blue Super Moderator Top contributor Member since:Jan 2005 Location:Melbourne Australia Blu-ray collection:206	Depending on how complex the codes are and how poorly the software is written you may need 10GHz. However the trick is in using dedicated hardware decoders. The typical example is with DVD players. They are not known to have much computing power but can decode MPEG2 very well. Do the same thing on your computer and watch the cpu ussage go through the roof.

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