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Reducing the size of Encoded Blu Ray Movie


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#1 cap2587

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Posted 09 April 2010 - 07:42 PM

Is there programs that can reduce the size of a Blu Ray movie to enable the file to fit onto a 25GB disk.  I have a movie in a bunch of M2ts files and they equal 29 GB and I only have a 25 GB disk.  What are my options?  Thanks.

#2 Jim_Hardin

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Posted 10 April 2010 - 02:41 AM

QUOTE (cap2587 @ Apr 9 2010, 11:42 PM) <{POST_SNAPBACK}>
Is there programs that can reduce the size of a Blu Ray movie to enable the file to fit onto a 25GB disk.  I have a movie in a bunch of M2ts files and they equal 29 GB and I only have a 25 GB disk.  What are my options?  Thanks.


File Size is meaningless… it depends on TIME and what output setting you choose:

Blu-ray 25 GB Capacity:
HQ— 3:29
SP— 4:00
LP— 4:43
EP— 6:24

Blu-ray 50 GB Capacity:
HQ— 6:59
SP— 8:02
LP— 9:27
EP— 12:50

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#3 cap2587

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Posted 10 April 2010 - 04:46 AM

Thanks for the reply Jim.  My post was a little vague and not a great question. Let me start again.  I recently purchased an LG Blu Ray Burner, which I got for a great deal at New Egg ($125).  I am wanting to find out everything there is to know about burning Blu Ray Files.  Each disc is not cheap, therefore I need to know the best procedure on how to burn with Blu Ray.  Is there some posts on Roxio on the best way to burn using Blu Ray.  I have some blank Blu Ray media - 25 GB.  What is the difference b/w m2ts and MKV files and would this impact on how I burn them onto a disk.  With a regular AVI file I would encode it in MY DVD to a folder set/Iso and then burn the image in Copy and Convert.  With Blu Ray would I perform the task the same way.  Any info you can give me would be much appreciated.  Can I watch an Iso Image using Roxio prior to burning onto a disk.  You chart you gave me in your reply was helpful.  What this tells me is that most movie's run no more than 3 hrs, therefore you should be able to burn using HQ with a 25 GB disc.  Thanks.

#4 Jim_Hardin

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Posted 10 April 2010 - 05:21 AM

QUOTE (cap2587 @ Apr 10 2010, 08:46 AM) <{POST_SNAPBACK}>
Thanks for the reply Jim.  My post was a little vague and not a great question. Let me start again.  I recently purchased an LG Blu Ray Burner, which I got for a great deal at New Egg ($125).  I am wanting to find out everything there is to know about burning Blu Ray Files.  Each disc is not cheap, therefore I need to know the best procedure on how to burn with Blu Ray.  Is there some posts on Roxio on the best way to burn using Blu Ray.  I have some blank Blu Ray media - 25 GB.  What is the difference b/w m2ts and MKV files and would this impact on how I burn them onto a disk.  With a regular AVI file I would encode it in MY DVD to a folder set/Iso and then burn the image in Copy and Convert.  With Blu Ray would I perform the task the same way.  Any info you can give me would be much appreciated.  Can I watch an Iso Image using Roxio prior to burning onto a disk.  You chart you gave me in your reply was helpful.  What this tells me is that most movie's run no more than 3 hrs, therefore you should be able to burn using HQ with a 25 GB disc.  Thanks.

We are getting closer wink.gif  

You use MyDVD to create a BD Movie disc. It exactly the same as creating a DVD Movie. However! Nothing in Roxio will burn a BD Folder set to disc that will work! Either direct burning or ISO is the only way.

You must have the Pro version or the BD Burning Plug-in (BD Burn). And in order to view it with CinePlayer, you must have the Viewer plug-in (CP Player) for that…

File types and size are completely irrelevant – just like a DVD Movie. Mix & Match all you want!

But Roxio will not take a MKV (DivX Plus) file so that will have to be converted, find some 3rd party converter.

I trust you bought some RE discs??? You can also find a 50 GB RE if you look a little… I did not shop around and gave up $60 for my 50 GB RE ohmy.gif   You can find it for half that and 25 GB RE discs should run about $13

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#5 cap2587

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Posted 10 April 2010 - 07:49 AM

Thanks for the extra info.  What exactly are RE discs. I have BD-R 25 GB.  Your saying create an Iso Image from the MKV file.  Can I view the Iso Image in Cine Player prior to burning?  I have Power DVD which is how I am viewing my DVD M2TS files/MKV files.  I am using Roxio Creator Pro 2010.  Does that Include the  BD Burning Plug-in or do I have to buy this separately.  Without this plug in I could not burn onto a Blu Ray disc.   Appreciate the help.

#6 Jim_Hardin

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Posted 10 April 2010 - 11:05 AM

QUOTE (cap2587 @ Apr 10 2010, 11:49 AM) <{POST_SNAPBACK}>
Thanks for the extra info.  What exactly are RE discs. I have BD-R 25 GB.  Your saying create an Iso Image from the MKV file.  Can I view the Iso Image in Cine Player prior to burning?  I have Power DVD which is how I am viewing my DVD M2TS files/MKV files.  I am using Roxio Creator Pro 2010.  Does that Include the  BD Burning Plug-in or do I have to buy this separately.  Without this plug in I could not burn onto a Blu Ray disc.   Appreciate the help.

REusable the equivalent of RW in the CD/DVD world. The 50 GB RE is the equivalent of a DVD-DL RW, which does not even exist!

The 2010 Pro has the BD Burning included.

You would have to test your current players to see if they do BD Movies – rent one, how far away is a BlockBuster? laugh.gif  biggrin.gif  laugh.gif

I have the 2010 Pro but I had to buy the BD Player plug-in in order to see my masterpieces with CinePlayer  wink.gif
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#7 cap2587

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Posted 10 April 2010 - 11:20 AM

I will go ahead an purchase an RE BRDisc so I can practice.  This is the way I am going to burn my MKV file which is 4.37 GB.  Open up My DVD, go to Blu Ray Disk - no menu's.  Find the file and encode it using 25 GB Disk Size and HQ into an Iso File.  Then double click on the Iso File and burn it to a Blu Ray Disk.  Should I choose a slower write speed.  Does this sound like the best way to do it in Roxio Pro Creator 10.  Do you know anything about burning M2TS files. Can Roxio do these files or do they have to be converted to MKV files.  I keep reading alot about TS Muxer.  I think that lets you reduce the size and number of M2TS files.  Ideas.  Thanks.

#8 Jim_Hardin

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Posted 10 April 2010 - 11:44 AM

QUOTE (cap2587 @ Apr 10 2010, 03:20 PM) <{POST_SNAPBACK}>
I will go ahead an purchase an RE BRDisc so I can practice.  This is the way I am going to burn my MKV file which is 4.37 GB.  Open up My DVD, go to Blu Ray Disk - no menu's.  Find the file and encode it using 25 GB Disk Size and HQ into an Iso File.  Then double click on the Iso File and burn it to a Blu Ray Disk.  Should I choose a slower write speed.  Does this sound like the best way to do it in Roxio Pro Creator 10.  Do you know anything about burning M2TS files. Can Roxio do these files or do they have to be converted to MKV files.  I keep reading alot about TS Muxer.  I think that lets you reduce the size and number of M2TS files.  Ideas.  Thanks.

You still have not got it into your head that the file size or type is meaningless…

It is the output setting (HQ-SP-LP-EP) and the LENGTH that controls everything.

Throw the files into a MyDVD BD Project, click Burn, and walk away.

It knows what to do. wink.gif
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#9 ggrussell

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Posted 10 April 2010 - 01:13 PM

MyDVD will accept M2TS files, but I don't think it will accept MKV.  MKV must be converted first.
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#10 cap2587

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Posted 10 April 2010 - 01:29 PM

That helps me figure this out.  What does AVCHD stand for.  If I have a 30 GB M2TS File and I want to burn that to a 25 GB Blu Ray disk.  What size will it come out to be after using Roxio MYDVD to encode it to an Iso and will their be any loss in quality.  What format can MKV be converted to where Roxio will take the file.  Appreciate the help as all of this Blu Ray stuff is new to me.

#11 myguggi

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Posted 10 April 2010 - 02:11 PM

QUOTE (cap2587 @ Apr 10 2010, 05:29 PM) <{POST_SNAPBACK}>
That helps me figure this out.  What does AVCHD stand for.  If I have a 30 GB M2TS File and I want to burn that to a 25 GB Blu Ray disk.  What size will it come out to be after using Roxio MYDVD to encode it to an Iso and will their be any loss in quality.  What format can MKV be converted to where Roxio will take the file.  Appreciate the help as all of this Blu Ray stuff is new to me.



You really seem to have a hard time understanding that file size means almost nothing blink.gif  It is the time length of your project that matters unsure.gif

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#12 ggrussell

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Posted 10 April 2010 - 02:44 PM

QUOTE (cap2587 @ Apr 10 2010, 05:29 PM) <{POST_SNAPBACK}>
What does AVCHD stand for.  If I have a 30 GB M2TS File and I want to burn that to a 25 GB Blu Ray disk.
You could start by reading up on Bluray formats and codecs. Wikipedia has tons of information.

As for the files size, anytime a video file has to be compressed, there will be some loss of quality.  However with Hidef, it will be less noticeable than with standard definition.

How much will fit on a 25GB BD?  As the others have pointed out, it's easier to understand if you go by TIME.  There are many variables that will affect file size: video resolution (1080 vs 720 vs 480), video compression method (MPEG 2, AVC or VC1), audio compression method (PCM, AC3 or AAC), and then the bitrate for each the video and audio.

Most people say they can't tell the difference between MPEG 2 and AVC, but I certainly can. The downside is the file sizes for MPEG2 are larger so you don't get as much on the same disc 'time wise'.

Edited by ggrussell, 10 April 2010 - 02:44 PM.

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#13 cap2587

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Posted 11 April 2010 - 02:28 AM

I will read up more on Blu Ray file formats and everything else related to this topic.  I tried to make an Iso Image out of my 30 GB M2TS file. It comes out to 13 GB in total as an Iso.  I will focus on time from now on.  Why is there a big black line at th top of the screen when I play the iso after mounting the image.  Is that something that can be fixed or is that something to do with the project settings.  Thanks

#14 sknis

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Posted 11 April 2010 - 06:13 AM

QUOTE (cap2587 @ Apr 11 2010, 05:28 AM) <{POST_SNAPBACK}>
I will read up more on Blu Ray file formats and everything else related to this topic.  I tried to make an Iso Image out of my 30 GB M2TS file. It comes out to 13 GB in total as an Iso.  I will focus on time from now on.  Why is there a big black line at th top of the screen when I play the iso after mounting the image.  Is that something that can be fixed or is that something to do with the project settings.  Thanks


Sorry, VLC does do HD.

Edited by sknis, 11 April 2010 - 01:05 PM.

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#15 cap2587

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Posted 11 April 2010 - 08:19 AM

I have mounted the Iso File and played it in Power DVD and there is a thick black line at the top of the movie.  The size really looks reduced.  Not sure if it is the Iso or the media player I am playing it in.




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