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How am I going to be able to use my VHS recorders when digital is forced on us?



 
 
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  #107  
Old June 11th 05, 09:53 PM
Max Demian
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"Chris Howells" wrote in message
...
Max Demian wrote:
Wrong question. The length in minutes of NOT the deciding factor - look
at audio bitrate, video bitrate, CBR vs VBR, real-time vs non-real-time
encoding, domestic vs profession MPEG encoders, etc. There are many many
factors.


On the contrary. The user cares nothing about gigabytes and bitrates,
only how many hours on the disc and whether he has to get up from his
chair to change discs halfway through.


That they don't care may be the case; however your question of "how many
hours can you fit onto a DVD" is unanswerable. As has been pointed out it
depends on many factors. If you really wanted to you could quite possibly
fit tens or hundreds of hours on if you really wanted by encoding at a low
bitrate.

As a commercial example: Schindler's list (3hrs, B&W) was split onto two
disks. Lord of The Rings (~3hrs, colour) are on one disk.

It's up to the person producing the commericial DVD how they do it or what
quality the person with a DVD recorder uses.


I asked:
"How much do they put on commercial DVDs per disc? How long is a film before
they have to split it between two?"

IOW I was asking what they (commercial DVD producers) *do*, not what they
could do or the problems they might encounter deciding.

Of course if the question is unanswerable feel free not to answer it. ;-

--
Max Demian


  #109  
Old June 11th 05, 10:15 PM
Chris Howells
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Max Demian wrote:

I asked:
"How much do they put on commercial DVDs per disc? How long is a film before
they have to split it between two?"


As I already said you could probably put tens or hundreds of hours of
onto a DVD if you really wanted to encode at a ridiculously low bit rate.

IOW I was asking what they (commercial DVD producers) *do*, not what they
could do or the problems they might encounter deciding.


And I gave you two examples, one of Schindlers List and one of Lord of
The Rings. Both of similar length but one split and the other not.

 




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