Extracting DVD-Video surround audio to DVD-A?? - AVS Forum
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post #1 of 7 Old 03-04-2007, 08:57 AM - Thread Starter
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Huge apologies for what I know has been discussed before, but my searches either came up with very old (2004) posts, or techno talk that confused my pitiful little brain...

My question: is there any product out there that will take the surround sound audio tracks from DVD-movies and put it on a DVD-A disc?

(I have a car equipped with DVD-A; I'm not selling anything -- just want these discs for my own use from DVDs I already own. I own discWelder Bronze...)

Thanks.
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post #2 of 7 Old 03-04-2007, 11:31 AM
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First you need to find a ripper that can defeat the copy protection and get the DTS or DD track off of the DVD.

Having done that, you need to decode the DD/DTS to the basic WAV format that discWelder supports. I've used foobar2000 to do that, but if I recall correctly I could only persuade it to output a single 6-channel WAV file, whereas discWelder needs six 1-channel WAV files. But any audio editor that supports multi-channel WAV should be able to make that last conversion.

All a bit of a pain. Maybe someone can suggest an easier route.
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post #3 of 7 Old 03-04-2007, 03:16 PM
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It's very easy.

1. Download DVD-Audio Extractor http://www.castudio.org/dvdaudioextractor/ free for 30 days. Use this to extract the DVD-V audio track into a 6 channel wav file.
2. Download DVD-Audio Solo http://www.cirlinca.com/products.htm free for 30 days. Use this software to write the 6 chanel (5.1) wav files to a blank DVD-R in DVD-A format.

It's that simple!!!!!!! Works great in my TL. Love Elton John's live DVD-V's from Best Buy on this.
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post #4 of 7 Old 03-04-2007, 08:10 PM
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Anyway to do the reverse?
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post #5 of 7 Old 03-05-2007, 08:51 AM
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None that I know of. No one has a software program that breaks the DVD-A encryption, and allows for ripping of the tracks. Besides, you don't need to, as all DVD-A's already have the downmixes on the DVD-V already.
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post #6 of 7 Old 03-11-2007, 06:39 AM
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Quote:
Originally Posted by rickneuropa View Post

It's very easy.

1. Download DVD-Audio Extractor http://www.castudio.org/dvdaudioextractor/ free for 30 days. Use this to extract the DVD-V audio track into a 6 channel wav file.
2. Download DVD-Audio Solo http://www.cirlinca.com/products.htm free for 30 days. Use this software to write the 6 chanel (5.1) wav files to a blank DVD-R in DVD-A format.

It's that simple!!!!!!! Works great in my TL. Love Elton John's live DVD-V's from Best Buy on this.

The first part will (usually) only extract the Dobly Dirgital stream (11/12 comnpression) and not the DTS stream.
Best bet is to find a copy of DVDDecrypter somewhere and go into Stream Processing mode, extract the DTS file, and then look up a lovely little tool called "Tranzcode" and the "Tranzcode GUI".
This will take the DTS stream & demux into 6 mono 32 bit Floating Point WAV files.
Run these through your DAW and get fixed point 24/96 files.
Best of all is that DVDDecrypter will also generate an IFO file with all the chapter points in HH:MM:SS:FF or HH:MM:SS:CCC (The latter is for discWelder use) so you know where to place the markers.

Then use Cirlinca's DVD-Audio Solo.

Be aware there is a hidden "Gotcha" in DVD-Audio Solo though.
It will allow you to create a disc using 5.1 at 24/96 without MLP compression. This is out of spec, and whilst it will play on some players, because of the bitrate being a whopping 13.8Mb/sec, it is far from guaranteed to play.
You may want to consider running a Sample Rate Conversion (If the DTS stream was at 96KHz) to 48KHz.
Odds are quite high the DTS stream will be at 24/48 payload though.
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post #7 of 7 Old 03-12-2007, 07:48 AM
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Actually, the DVD-Audio Extractor does extract the DTS stream! Just click on the DDS heading, and a drop down list will show the DTS stream to choose. this will then change all the tracks below the heading to the DTS stream choice.
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