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17-Nov-2005, 11:27
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#1 |
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Retarded moron
Join Date: Jun 2002
Location: Australia, Melbourne
Posts: 2,949
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Why are HDTV mpg files so big?
1.3GB for 22 minutes of recording.
WTF??
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17-Nov-2005, 11:34
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#2 |
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Regular
Join Date: Feb 2002
Location: Kings Langley
Posts: 446
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Because 22 mins of high def is a lot of data.
1.3GB / (22*60) is less than 1MB/sec or roughly7.8787 Mb/sec which is allowed even under normal SD mpeg2 DVD's CC
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Flickr |
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17-Nov-2005, 11:34
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#3 |
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Me me me
Join Date: Apr 2002
Posts: 15,351
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Cause they're HD...? And probably not MPG4?
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17-Nov-2005, 11:35
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#4 |
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Senior Member
Join Date: Feb 2002
Posts: 2,576
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That's not big, that's only 8.2Mbit/s.
DVDs are up to 9Mbit/s (typically around 6Mbit/s though). Cheers Gubbi
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I'm pink, therefore I'm spam |
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17-Nov-2005, 11:40
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#5 | |
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Regular
Join Date: Feb 2002
Location: Kings Langley
Posts: 446
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Quote:
[edit] Using 1024 is obivously the correct way to go, but I used 1000 as a quick approximation as my calc has nice buttons to do G and M etc. [/edit]
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Flickr Last edited by Captain Chickenpants; 17-Nov-2005 at 11:47. |
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17-Nov-2005, 11:41
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#6 |
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Retarded moron
Join Date: Jun 2002
Location: Australia, Melbourne
Posts: 2,949
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Unfortunately Australia's HDTV standard is half that of the rest of the world.
Only channel 9 offer 1080i HDTV everything else follows the (sub)standard of 540p. What do you guys recommend I do about compression?
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17-Nov-2005, 11:44
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#7 | |
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Regular
Join Date: Feb 2002
Location: Kings Langley
Posts: 446
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Quote:
CC
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17-Nov-2005, 11:47
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#8 | |
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Retarded moron
Join Date: Jun 2002
Location: Australia, Melbourne
Posts: 2,949
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I would LOVE to reduce file size without much loss in quality.
Quote:
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I eat coffee. |
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17-Nov-2005, 11:56
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#9 | |
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Regular
Join Date: Feb 2002
Location: Kings Langley
Posts: 446
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Quote:
Divx, Mpeg4, H.264 can all give better compression than mpeg2.
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17-Nov-2005, 13:42
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#10 |
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Member
Join Date: Mar 2002
Location: California
Posts: 901
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it's not the size that counts...
it's how you use it... 
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"the anonymity of the internet gives people the ability to grow e-balls..." |
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