How to extract subtitles from blue ray or iso file? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 9 Old 04-14-2019, 01:55 PM - Thread Starter
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How to extract subtitles from blue ray or iso file?

I've looked into ripping Blu Ray and met so many problems. Clearly I am out dated and old. This I can't really figure out it seems.


I've tried to use anydvd to make an iso, but then realized when rip was completed a 25 ish GB iso file is too large. On the bright side anydvd did not run into any problems with encryption etc. And vlc was able to show movie with subtitles.



So next step was shrinking file size in handbrake. Worked like a charm, or so I believed until I sat down to watch a movie. During the encoding and transforming it into a mkv file using handbrake I did loose the subtitle.



1: As I already have done a bunch of iso files and handbrake converted mkv files and do not wanna start all over again I wonder if I can somehow extract the subtitles from the iso file (iso files still in my temp folder) or from the blu ray disc if I insert the disc into the bd drive? That way I could just dump the subtitle file into the same folder as the mkv file.



2: What format is the most common for subtitles and what should I aim for? I kind of like SRT as that is a clear text file where I easily can do a visual check to see if extract was correct.



3: What tools are suited to extract subtitles from iso files or blu ray discs? I don't mind paying if a tool is great and actually work.



On some discs a program named Subtitle Edit works other not at all. I've tried also ease fab lossless copy, but that one only gives out eror msg.



What tool will let me extract only the subtitle from iso image or blu ray disc? If you know a tool that can extract subtitles from iso files or blu ray discs this and that tool has high success rate it is ok if it is a paid option. But I prefer to test out a trail version before paying to make sure it does what I need it to do.
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post #2 of 9 Old 04-14-2019, 02:14 PM - Thread Starter
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If I miss placed this thread feel free to move it to correct forum. I just noticed there was also a blu ray software thread.
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post #3 of 9 Old 04-14-2019, 03:35 PM
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Quote:
Originally Posted by downslope View Post
I've looked into ripping Blu Ray and met so many problems. Clearly I am out dated and old. This I can't really figure out it seems.


I've tried to use anydvd to make an iso, but then realized when rip was completed a 25 ish GB iso file is too large. On the bright side anydvd did not run into any problems with encryption etc. And vlc was able to show movie with subtitles.



So next step was shrinking file size in handbrake. Worked like a charm, or so I believed until I sat down to watch a movie. During the encoding and transforming it into a mkv file using handbrake I did loose the subtitle.



1: As I already have done a bunch of iso files and handbrake converted mkv files and do not wanna start all over again I wonder if I can somehow extract the subtitles from the iso file (iso files still in my temp folder) or from the blu ray disc if I insert the disc into the bd drive? That way I could just dump the subtitle file into the same folder as the mkv file.



2: What format is the most common for subtitles and what should I aim for? I kind of like SRT as that is a clear text file where I easily can do a visual check to see if extract was correct.



3: What tools are suited to extract subtitles from iso files or blu ray discs? I don't mind paying if a tool is great and actually work.



On some discs a program named Subtitle Edit works other not at all. I've tried also ease fab lossless copy, but that one only gives out eror msg.



What tool will let me extract only the subtitle from iso image or blu ray disc? If you know a tool that can extract subtitles from iso files or blu ray discs this and that tool has high success rate it is ok if it is a paid option. But I prefer to test out a trail version before paying to make sure it does what I need it to do.
easier thing to do would be just to google "download subtitle files" and pick a link and follow to a site. Many have already extracted the subtitle into an SRT file or something similar that you can download without fuss. (yea, this thread should be moved)
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post #4 of 9 Old 04-15-2019, 01:46 AM - Thread Starter
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Quote:
Originally Posted by kcgr View Post
easier thing to do would be just to google "download subtitle files" and pick a link and follow to a site. Many have already extracted the subtitle into an SRT file or something similar that you can download without fuss. (yea, this thread should be moved)

No can do I am sorry. The language I am after is making the download part almost impossible to find subtitles for less known movies. And even more main stream movies are fare between.



I need to find a way to either extract subtitles from bd disc, disc image on hdd or encoding into mkv but retaining. subtitles.



I already got anydvd hd. And it works. Strips decrytption etc. It seems they also got a tool named clonebd but I don't know if clonedb will do what I am after. And I don't feel to spend even more cash on software that might not do what they advertise. And the extracting part and file shrinking is only for paid version, so a trial testing perion version will not let me test out what I am looking for.



What are the common way to back up blu ray discs yet keeping subtitles and reducing file size to about half of original size?
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post #5 of 9 Old 04-15-2019, 06:38 AM
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You could try asking here Doom9 Subtitle Threads

Blu-Ray subtitles are PNG's which are pictures. You need to OCR them before you can deal with them as text. There are a few programs on Doom9 that can do what you want.
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post #6 of 9 Old 04-15-2019, 08:54 AM - Thread Starter
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Thank you Jason. I didn't know the subtitles are actually image files on blu ray discs. Nice of you to enlighten me.


Problem is for now solved. In addition to anydvd I also now use clonedb and that fixes mkv and subtitles.

I let anydvd hd run in the background and then I can use clonedb to convert directly to mkv with the subtitles intact.

CloneDB does not handle encrypted discs, so anydvd hd runs in the backgrond and takes care of that.

In clonedb I can choose output size so all is well.



It is not a free solution but it seems to be a working solution so seems well worth the money .

Last edited by downslope; 04-15-2019 at 09:56 AM.
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post #7 of 9 Old 04-15-2019, 09:51 PM
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Not sure about iso files but you can try the free software subtitle edit. I have used it to extract the native .png bluray subtitle from a mkv rip and run through the software to convert to .srt then place that in the same mkv folder for playing.

You could also try this but I have not used it:
https://www.easefab.com/tutorial/ext...-srt-file.html

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post #8 of 9 Old 04-17-2019, 06:25 PM - Thread Starter
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Tried that and all I get is errors, and the more I look into it, well it seems like a scam of some sort. In addition to the software you mentioned there is at least one more with the very same user interface that also does not work according to other customers. The other one got a different branding but otherwise looks the same. Both will show up on google searches and a few forums but other then that hard to find reviews.



So for now I will say this, do not waste your money on that software. It will not do anything of what they claim. I tried their trial version first. First look it seems legit. User interface seems relatively clean and things make sense. Then when things didn't work according to their website there was a trial version limitation that made sure operations timed out after 2-3 minutes. So I figured trial version was just timed out and full version would work. I paid and registered and thought it would be all ok.



Then when you try to put it to work it might do nothing at all or come with error messages. No responses to my emails so as far as I can tell it is a scam or a poorly run shop at best. Don't waste your money.



Any dvd I run into about 15 + years ago for the first time. Since then they have teamed up with others and clonedb works wonders alongside anydvd and is well worth the money. It does what I need and I can do it all in one step.
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post #9 of 9 Old 04-17-2019, 07:18 PM
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TsMuxer is a great no frills app for extracting subs. I think you would need another app to convert them to SRT though. Bdsup2sub will convert PGS subtitles to other formats (although I'm not 100% certain SRT output is supported).
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