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The DTS:X Encoder Suite offers a simplified workflow that makes it easy for users to perform full-file and segment-based encodes from a wide range of input formats, including PCM WAV, AIF, BWAV and object-based M2X. Edit and verify DTS bitstream files without the need for an additional encode pass.
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I'm trying to build a project in Encore with a couple of DTS-HD audio tracks (.dtshd), one of them is stereo and one is 5.1 surround. Each time the build fails with the error "Could not use file Stereo Audio.dtshd. This file is not legal for Blu-ray." When I delete the stereo track, the project builds, even with the DTS-HD 5.1 track. The only real difference between the two is that the stereo audio has a bit depth of 24 bits while the 5.1 track is only 16. Does Encore simply not recognize 24 bit DTS-HD audio, or is there something else I need to do to make it work?
DTS-HD Master Audio is treated in exactly the same way as Dolby True HD - whilst the codec itself has what the specs call "Mandatory Support" (ie all players must be capable of decoding it), exactly what is mandated is another story & it turns out that only the stereo form is mandatory - all surround forms are optional, and it is quite possible to have the DTS-HD Master Audio or the Dolby True HD light up on your amplifier to be actually hearing DTS Core Audio or even AC3.
A 5.1 DTS-HD MAS stream - extension is .dtshd - has 2 components - the core audio & the lossless extensions. The idea is that if the player or amplifier cannot handle the lossless stream, it will automatically output the hidden core audio stream, with no need for the user to do anything (for example, on a player using lightpipe for the audio to an amplifier) and when created with a proper Blu-ray DTS Encoder such as the DTS-HD MAS Encoder Suite, the core audio stream will automatically get created to the correct standard. The only option I get here is to choose if I want to risk the core stream at 96kHz.
Encore does not really support DTS very well - it is in passthrough mode only, so it is dependent on spec legal assets - and regular DTS in Encore will not work at 24-bit. It should do - you do not need to dither down to 16-bit before creating a regular DTS Core Audio file as it should happily accept a 24-bit source file but it would seem that something is wrong here with the source files.
Can I ask what the running time is please? At 2Gb 16-bit stereo lossless it should be about 23 minutes, if my mental arithmetic is working (it may not be & I cannot find a calculator) - something looks wrong with the info file, so can I also ask how these were created & in what tool?
I am running a DTS-HD MAS encoding at 5.1 24/96 with a 48k Core Audio stream, no automatic downmix set for stereo users ( a separate stereo stream is provided) - and I will post the Media Info report on it.
That would give you a bitrate of 2536kbps and no issues with a core stream either and I have noticed that 16-bit PCM at 48kHz gets larger after encoding to DTS-HD MA as well because of the core stream (not that you are using 16-bit stereo).
So your screen shots look correct - yet there is something there that I have only just noticed, and I feel it is worth pointing out that your naming convention on the stereo file has hinky characters.
I'm taking a foreign blu ray that is not english friendly, separating all the components with no compression, adding english subtitles and rebuilding it with a multi page menu. I've ran into a problem. I have ripped the original blu ray using DVD Fab then used tsmuxer to demux the files, that gives me a .dts file (the disc apparently has DTS HD 5.1 so I was expecting it to give me .dtshd files but it's just .dts)
Anyway importing these into encore goes fine and it doesn't want to transcode but when I build the project I get the not legal for blu ray error. I can't really understand it because the audio has come directly from a blu ray so it must be legal? I noticed in tsmuxer there is an option to downconvert dts hd to dts and when I select that encore builds the project without issue.
Is there anything I can do to resolve this? I don't know much about audio formats but I'd really like to do this without downconverting the audio if possible. I want to make a carbon copy of the original disc just english friendly.
I've read somewhere about someone splitting the DTS file into 6 wav files then using DTS HD encoder suite to build the dts file and encore accepts that - has anyone any experience of that? Sounds a little complicated.
Another thing I thought of doing is making the disc with downconverted audio then using this program (name escapes me) that lets you go into the blu ray folder structure after encore has finished and make changes, I could delete the downcoverted file and replace it with the original DTS file?
Ok I managed to solve my problem, hopefully it might help the OP. I downgraded my DTS HD track to normal DTS. I did this via tsmuxer but I imagine there are several programs that can do this, you could even convert it to an ac3 file. Let encore do it's thing and get everything else working, then use MultiAVCHD to delete the audio that we put in there to get encore to work (either downgraded DTS or ac3 etc) and replace it with the DTS HD track. I've tried it with mine and tested it afterwards - works absolutely fine.
As to why encore doesn't like DTS HD or how to get it done in encore without having to use MultiAVCHD I really don't know, but personally for the time spent trying to figure it out I'd just do the above.
Are you certain that you have the legal permission to do the edits you are making? You cannot just rip someone else's content & edit it to suit yourself - this is illegal under copyright law. The reason I mention this is because it is rare to have to rip content from someone else's disc if you are doing a legal reauthor job.
DTS-HD Master Audio (DTS-HD MA; known as DTS++ before 2004[1]) is a multi-channel, lossless audio codec developed by DTS as an extension of the lossy DTS Coherent Acoustics codec (DTS CA; usually itself referred to as just DTS). Rather than being an entirely new coding mechanism, DTS-HD MA encodes an audio master in lossy DTS first, then stores a concurrent stream of supplementary data representing whatever the DTS encoder discarded. This gives DTS-HD MA a lossy "core" able to be played back by devices that cannot decode the more complex lossless audio. DTS-HD MA's primary application is audio storage and playback for Blu-ray Disc media; it competes in this respect with Dolby TrueHD, another lossless surround format.
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