[Matroska-devel] Support for DTS and DTS-HD formats in the mkv container

Phillip Maness Phillip.Maness at dts.com
Wed Jun 22 21:53:32 CEST 2011

Thanks everyone for your input. It sounds like the following should be acceptable:

1. A_DTS is used for and DTS content that contains a core substream. It might be helpful to explicitly state this in the specification, e.g. "A_DTS supports DTS, DTS-ES, DTS-96/26, DTS-HD High Resolution Audio and DTS-HD Master Audio".

2. A_DTS/EXPRESS will be used for DTS Express (a.k.a. LBR) audio streams

3. A_DTS/LOSSLESS will be used for DTS Lossless audio that does not have a core substream

Is there any other component of the MKV spec that needs to be modified to support the two new applications of DTS codecs?

Is there anything else that needs to be taken into consideration?

Phil Maness

-----Original Message-----
From: matroska-devel-bounces at lists.matroska.org [mailto:matroska-devel-bounces at lists.matroska.org] On Behalf Of Steve Lhomme
Sent: Wednesday, June 15, 2011 12:45 PM
To: Discussion about the current and future development of Matroska
Subject: Re: [Matroska-devel] Support for DTS and DTS-HD formats in the mkv container

On Fri, Jun 10, 2011 at 9:56 AM, Moritz Bunkus <moritz at bunkus.org> wrote:
> On Friday 10 June 2011 03:14:50 Phillip Maness wrote:
> I'm undecided about splitting HD from A_DTS ( -> A_DTS). I'd argue that
> there are so few problems (in fact I haven't heard of a single problem
> on doom9 or in private mails) that I again think that breaking
> compatibility with existing devices is not worth it.

I think it's better not to break what we have today. But we could mark
HD and non-HD with the codec private. It should be discarded by
existing players adn DTS decoders don't expect to be passed external
codec data. And it would be possible to spot which one are actually HD
without breaking anything. (non-HD ones will simply have no codec
private data set).

Steve Lhomme
Matroska association Chairman
Matroska-devel mailing list
Matroska-devel at lists.matroska.org
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