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In Reply to: thanks for chiming in. posted by evector on September 19, 2005 at 13:22:57:
Yes, it is possible to do this.
You need a DVD-A authoring application that is capable of linking into an imported Video_TS folder though. I know of 2 that can do this - Sonic's DVD-Audio Creator and Minnetonka's discWelder Chrome.The way it is authored is quite simple:
1/. Create your Video_TS folder in a DVD-V authoring application - ideally one that does not use an Abstraction layer. For PC you can use either DVD Lab Pro & Sonic Scenarist. You may be able to get away with a prosumer application as long as the title is kept very simple as there are some restrictions imposed on a Video_TS for import into DVD-A discs.
If anyone is interested in this list, drop me a private email and I will happily send a copy.
2/. When the Video_TS is completed, Launch the DVD-A app and continue. I use Chrome, Build 2.0.24 so these guides apply to this application. I do not know how Sonic's DVD-A creator handles this.
Anyway - this is how it is done:
A/. Create a new project in Chrome.
B/. Double click on the album title in the arrange window. This will bring up the project properties. Set your TV standard as required, and then you will see a tab for Video_TS - choose to use an imported one, and browse to this.
C/. In Group 1, create your 5.1 MLP version.
D/. Add in another group.
E/. Right click on the time, and choose the correct VTS.There is a further restriction here imposed by Chrome, sadly. Although the rules say you can have up to 2 Audio streams per VTS, Chrome can only link directly to the whole VTS, and not to an individual stream. This is going to change in the next version though.
But - you definitely do not need to duplicate the 24/96 file in the Audio_TS.
Personally, I think it is a bad plan to use a 24/96 in a DVD-V title, simply because so many players will truncate it down to 16 bit and further decimate down to 48KHz. Having said that though, as long as your DVD-V authoring application can handle a 24/96 file, there is no reason why it cannot be in the Video_TS and referenced from the AMG.
In fact, the spec book clearly says that(From section AU8-1 in the spec book:)
"Every Title by each VTS in DVD-Video zone of DVD-Audio disc shall be
pointed by ATT Search Pointer Table (ATT_SRPT) in Audio Manager (AMG)."So, any Video_TS content really should be accessible from the AMG of the DVD-A player without having to reset the player to DVD-Video mode.
Sadly, Warners do not seem to author their discs correctly at all, and most of the time the Video_TS content is not accessible. This is bad authoring.
I have a great example - the K.D. Laing disc, Invincible Summer, says on the box it has a 24/96 Surround track and a 24/96 Stereo track.
It does not! There is a single MLP stream on the disc, so if there is a stereo version it is either an embedded one or else a downmix. It sounds like a downmix to me.But I'm rambling on again, and should perhaps shut up.
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Follow Ups
- Re: thanks for chiming in. - Neil Wilkes 08:14:40 09/20/05 (3)
- Are you able to create a very small "test" ISO image - Christine Tham 19:17:58 09/20/05 (1)
- Re: Are you able to create a very small "test" ISO image - Neil Wilkes 10:27:51 09/21/05 (0)
- thanks for clearing up the air and offering more detail. - evector 14:59:53 09/20/05 (0)
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