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Putting SVCD onto a DVD?



 
 
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  #1  
Old September 15th 03, 11:51 PM
Click
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Default Putting SVCD onto a DVD?

Both SVCD & DVD use an MPEG2 codec, the first with a bit rate about 1/3 of
the latter. Are these 2 formats really just at either end of a continuum?
Would this mean that you could encode a video using the SVCD setting yet be
able to put 3 1/2 hours on a 4.7GB DVD disk? If you did this would there
be a problem in playing the disk on any DVD player that can currently
playback SVCD?

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Thanks in advance

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  #2  
Old September 16th 03, 12:47 AM
Anonymous Joe
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You should be able to do this....

While they both are MPEG-2, the DVD is a 720x480, where SVCD is 480x480. A
true SVCD has a bitrate limit of under 3000kbps (audio + video). A DVD is
much higher, over 8000kbps (again, audio + video). Obviously, this is where
the smaller file size in SVCD comes in.

As to how you actually burn them, I don't know, since I don't have a DVD
burner.....check some common sites, maybe they have something (dvdhelp.com,
doom9.org, etc.)



"Click" wrote in message
u...
Both SVCD & DVD use an MPEG2 codec, the first with a bit rate about 1/3 of
the latter. Are these 2 formats really just at either end of a continuum?
Would this mean that you could encode a video using the SVCD setting yet

be
able to put 3 1/2 hours on a 4.7GB DVD disk? If you did this would there
be a problem in playing the disk on any DVD player that can currently
playback SVCD?

--
Thanks in advance

Remove the XXX to reply

--
Thanks in advance

Remove the XXX to reply




  #3  
Old September 16th 03, 05:00 AM
Mike Richter
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Anonymous Joe wrote:
You should be able to do this....

While they both are MPEG-2, the DVD is a 720x480, where SVCD is 480x480. A
true SVCD has a bitrate limit of under 3000kbps (audio + video). A DVD is
much higher, over 8000kbps (again, audio + video). Obviously, this is where
the smaller file size in SVCD comes in.


Once again:

In general (I know of no exceptions, but they may well exist), a DVD
player checks first for the type of disc, then for its format among
those it knows. Thus, you may be able to write an SVCD to DVD, but it is
far from certain that the player will recognize it.

Mike
--

http://www.mrichter.com/

  #4  
Old September 16th 03, 09:50 AM
Carolyn Taliaferro
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Here is google search for SVCD 2 DVD.
http://www.google.com/search?sourcei...F-8&q=SVCD2DVD
.. One of the sites duscuss work arounds for this problem.
"Mike Richter" wrote in message
...
Anonymous Joe wrote:
You should be able to do this....

While they both are MPEG-2, the DVD is a 720x480, where SVCD is 480x480.

A
true SVCD has a bitrate limit of under 3000kbps (audio + video). A DVD

is
much higher, over 8000kbps (again, audio + video). Obviously, this is

where
the smaller file size in SVCD comes in.


Once again:

In general (I know of no exceptions, but they may well exist), a DVD
player checks first for the type of disc, then for its format among
those it knows. Thus, you may be able to write an SVCD to DVD, but it is
far from certain that the player will recognize it.

Mike
--

http://www.mrichter.com/



  #5  
Old September 16th 03, 01:51 PM
James Perrett
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Default

Click wrote:

Both SVCD & DVD use an MPEG2 codec, the first with a bit rate about 1/3 of
the latter. Are these 2 formats really just at either end of a continuum?
Would this mean that you could encode a video using the SVCD setting yet be
able to put 3 1/2 hours on a 4.7GB DVD disk? If you did this would there
be a problem in playing the disk on any DVD player that can currently
playback SVCD?


The SVCD format is different to a standard DVD, even though they both
use MPEG2 encoding. But you can certainly lower the bit rate when
encoding to DVD if you want longer playing time. However, a low bit rate
DVD looks worse than the same bit rate SVCD which is probably down to
the higher resolution used by the DVD. In my very limited experience I
would say that you can go down to around 4Mbit/s on a DVD without too
much obvious degradation but I'm sure a video professional wouldn't be
happy at that rate.

Cheers.

James.
  #7  
Old September 16th 03, 07:39 PM
Scott Alfter
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Default

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

In article ,
Click wrote:
Both SVCD & DVD use an MPEG2 codec, the first with a bit rate about 1/3 of
the latter. Are these 2 formats really just at either end of a continuum?
Would this mean that you could encode a video using the SVCD setting yet be
able to put 3 1/2 hours on a 4.7GB DVD disk?


You can't copy video directly from an SVCD to a DVD...SVCD video is 480x480,
which is incompatible with DVD. (DVD expects to see 720x480 or 352x480).

You can crank the bitrate on a DVD encode back to SVCD levels to fit more
onto it...you'll sacrifice some quality, but I have some DVDs with a dozen
episodes each of Good Eats on them that look OK. They're encoded at 352x480
and 2200 kbps, with AC3 audio at 128 kbps. Four hours is about as much as
I'd want to fit onto a DVD.

_/_ Scott Alfter
/ v \
(IIGS(
http://alfter.us Top-posting!
\_^_/ pkill -9 /bin/laden What is the most annoying thing on Usenet?

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=t1u4
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