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Old 02-23-2014, 10:04 AM   #1
Marconi
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Subtitles to CCs

I am hard of hearing and need Closed Captions or Subtitles. I also have thousands of DVDs that I would rather watch on TiVo because of the superior controls including its very handy 8-second instant replay control. Now, I could rip my DVDs and transfer the recording to TiVo but I'd have no CCs or subtitles. unless...

Is there a tool (for Mac) that will rip a DVD but convert the subtitles (or SDH) to closed captions such that they can be turned on and of during playback?

I know I can burn subtitles into the video image but then they cannot be turned off, and neither my wife nor daughter needs the CCs like I do. They both hear just fine.

So, is there a tool that, when ripping, will allow me to select a subtitle track to convert to closed captions AND output the file in a format that will not need transcoding (which would lose the CCs) when transferring back to TiVo?
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Old 02-23-2014, 11:13 AM   #2
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Marconi,

If there isn't an easy answer to your question, older Sony Blu-Ray and DVD players have an equivalent to the TiVo 8-second Instant Replay feature. I think it's 10-seconds and I've found it very useful.

Scott
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Old 02-23-2014, 11:32 AM   #3
Marconi
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Quote:
Originally Posted by HerronScott View Post
Marconi,

If there isn't an easy answer to your question, older Sony Blu-Ray and DVD players have an equivalent to the TiVo 8-second Instant Replay feature. I think it's 10-seconds and I've found it very useful.

Scott
My last Sony did not have this and I can find no current players that advertise the feature. Someone elsewhere told me that it used to be included in some older players but a patent holder complained.

Even the control layout on optical players is terrible on those I've seen. I have never seen any to compare with TiVo's for logical layout.
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Old 02-23-2014, 12:07 PM   #4
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Originally Posted by Marconi View Post
My last Sony did not have this and I can find no current players that advertise the feature. Someone elsewhere told me that it used to be included in some older players but a patent holder complained.

Even the control layout on optical players is terrible on those I've seen. I have never seen any to compare with TiVo's for logical layout.
My older Sony remote isn't bad.



Here's a Sony DVD remote that's smaller with the Replay and Advance buttons too.



Scott
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Old 02-23-2014, 02:13 PM   #5
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Many DVDs actually have closed captions encoded in them as well as DVD-style subtitles. Those are probably a better bet than converting subtitles to CC, but there do exist tools to do that. (I'd have to look them up, but I know they exist.)

Bear in mind that recent versions of the TiVo software, on Premieres and Roamios, will only accept captions in transport streams, and not program streams, due to a bug. You can send these to the TiVo via pyTivo, with the "ts=on" option in the Server section of pyTivo.conf.
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Old 02-23-2014, 03:45 PM   #6
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DVD subtitles to captions that work with TiVo I have not seen any flow that works on any OS platform. DVD subtitles to hard subtitles (embedded in video) using ccextractor & ffmpeg is possible, but you already mentioned not what you want to do.
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Old 02-24-2014, 12:14 AM   #7
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DVD subtitles and CC are not compatible. DVD subtitles are more like image overlays - bitmaps that are laid on top of the video. Most players don't upscale them properly which is why they look rough as anything.

Closed captions are real digital text embedded in the blanking part of the video signal. Unfortunately, those don't get passed through digital signals like HDMI - they have to be embedded into the video before being sent over HDMI.

Some DVDs come with closed captions, most are subtitled though as it allows for finer positioning of the text. And practically all Blu-Rays only have subtitles as again, the signalling is analog and it doesn't go through HDMI.

There are a few utilities out there that try to convert the subtitles to text using OCR. I'd try to tell you but the last time I saw it done was about a decade ago...
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Old 02-24-2014, 09:25 PM   #8
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DVD subtitles and CC are not compatible. DVD subtitles are more like image overlays - bitmaps that are laid on top of the video.
Which is why some DVDs (e.g. Muppets in Space) used 'subtitles' to do 'video commentary' which was basically a silhouette of the muppets watching the movie and commenting on it. (And as I said at netflix, was funnier than the main movie itself.)

BTW, since they want a Tivo, they could MAYBE get one of the old Tivo/DVD-recorder combinations.

Also, yeah, if you connect through composite, I think practically all DVDs "still" have the regular line 21 closed captions too.
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