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Topic: DTS decoding

Marin Zorica
Jedi Master Film Handler

Posts: 671
From: Biograd na Moru, Croatia
Registered: May 2003

posted 03-31-2004 05:41 AM

With films ve got a dts disc but because we got only analog optical sound ve can't play dts, but i try to play dts on PC with no results.

Are there some software for playing dts on PC or something similar, does is possible to connect dts time code reader to PC and play????

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Wolff King Morrow
Master Film Handler

Posts: 490
From: Denton, TX, USA
Registered: Feb 2004

posted 03-31-2004 05:51 AM

Aptx does offer editing and playback software, but I doubt they would grant a software liscense unless you were part of a studio company.

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Daryl C. W. O'Shea
Film God

Posts: 3977
From: Midland Ontario Canada (where Panavision & IMAX lenses come from)
Registered: Jun 2002

posted 03-31-2004 05:55 AM

Note that theatrical DTS audio discs are only licensed for use with a DTS manufactured player.

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Demetris Thoupis
Phenomenal Film Handler

Posts: 1240
From: Aradippou, Larnaca, Cyprus
Registered: Apr 2001

posted 03-31-2004 08:19 AM

DTS ROCKS!!

Sorry I had to say it.
By the way. Have you checked the Dolby site lately?? There is a new article which says that DOLBY is much better than DTS although people say that there are differences in the two formats! Ok the BIG LONG topic for discussion. I know that Mark and Brad will say that YOU CAN'T REALLY TELL A DIFFERENCE but one thing is for sure
DTS ROCKS
YEAH

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Daryl C. W. O'Shea
Film God

Posts: 3977
From: Midland Ontario Canada (where Panavision & IMAX lenses come from)
Registered: Jun 2002

posted 03-31-2004 08:20 AM

Were you expecting an article on Dolby's site proclaiming DTS as the superior format?

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Steve Kraus
Film God

Posts: 4094
From: Chicago, IL, USA
Registered: May 2000

posted 03-31-2004 09:20 AM

One should be careful in a film forum to specify if "DTS" refers to the theatrical version or the home video version. Dolby Digital is the same in either venue though the video version runs at a higher bit rate. But DTS at home is a completely different animal than DTS theatrical. I presume the discussion referred to above is about home DTS.

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Daryl C. W. O'Shea
Film God

Posts: 3977
From: Midland Ontario Canada (where Panavision & IMAX lenses come from)
Registered: Jun 2002

posted 03-31-2004 10:28 AM

I assumed we were talking about cinema DTS since most people that can handle optical analog, in a home setup, can also handle optical digital.

That and my extreme confidence in people posting in the correct forum. [Big Grin]

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Martin Brooks
Jedi Master Film Handler

Posts: 900
From: Forest Hills, NY, USA
Registered: May 2002

posted 03-31-2004 11:47 AM

DTS has a release on their site proclaiming lossless compression, but there isn't much in the way of details:

quote:

DTS Announces Lossless Digital Sound For Cinema

New Technology Delivers Lossless Soundtracks Identical to Master Tracks

PR for: DTS Cinema

DTS (Digital Theater Systems, Inc.) (NASDAQ: DTSI) announces the development of a system for delivering lossless digital soundtracks into movie theatres. With DTS lossless technology, a soundtrack played in the cinema is bit-for-bit identical to the original master. Demonstrations of the system to distributors and exhibitors will take place during 2nd quarter 2004.

DTS lossless technology works with all film specifications used in exhibition, including 16mm, 35mm, 70mm and any pulldown or frame rates, as well as digital pre-show, alternate content and digital cinema sources. Sampling rates include 44.1, 48, and 96 kHz at 16 to 24 bits.

DTS lossless coding is made possible by a new extension to the DTS Coherent Acoustics codec, which is used in applications including home theatre, car audio, PC and game console products, DVD-related software and broadcast. With this new development, Coherent Acoustics is able to offer a single, comprehensive system that can deliver quality levels from Internet streaming up to high definition and lossless.

“DTS lossless technology delivers the only audio for standard film equivalent to the best sound that has been proposed for Digital Cinema to date. Because of our unique timecode system, we are the only format that is capable of delivering this,” said Mike Archer, Director of Cinema at DTS. “The introduction of this technology continues DTS’ tradition of leadership in digital audio for the entertainment industry.”

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Marin Zorica
Jedi Master Film Handler

Posts: 671
From: Biograd na Moru, Croatia
Registered: May 2003

posted 04-01-2004 03:56 AM

Ok i know the theatrical DTS disc are licensed to play with there own player, but in case DTS Cinema Processor what i know is PC with three cd decks and time code reader for symphonizing with film, it would be good to have software for PC and connect time code reader to pc, becose in that case in cinemas we could play dts with PC. Is there any kind of software for theaters sound or similar, not for editing or encoding surround, but for playing sound??, not just for DTS can SDDS, or DOLBY play with PC suport, or simmilar methods, as connecting reader s to PC and decoding it true pc with software or similar???, I know I little bit funny but that things interested me very much, because till 2 year ago i work mostly with optical sound, because a lot of cinemas here don't have any kind of digital sound.

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Steve Kraus
Film God

Posts: 4094
From: Chicago, IL, USA
Registered: May 2000

posted 04-01-2004 07:22 AM

quote:
I assumed we were talking about cinema DTS since most people that can handle optical analog, in a home setup, can also handle optical digital.

I was referring to the "DTS rocks!" comment and the mention made of some comparison on the Dolby site as possibly being about home DTS. I haven't seen the article in question.

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Mark J. Marshall
Film God

Posts: 3188
From: New Castle, DE, USA
Registered: Aug 2002

posted 04-01-2004 10:07 AM

The DTS processors are basically x86 PCs with specialized HARDWARE installed in them. If I understand it right, the only software used by the DTS cinema unit (aside from the software on the boot ROM) is the dts.exe file - which is on all of the DTS CD-ROMs.

The short answer is that it's probably technically possible to make a software only player, but no one has figured it out yet. And when they do, it will most likely be at least a contract breach, and at most illegal, to use it for a public showing.

Someone correct me if I'm wrong on any of that.

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Patrick A. Meister
Film Handler

Posts: 22
From: Switzerland
Registered: Aug 2003

posted 04-01-2004 11:19 AM

Hello!

Does someone know, WHERE the system is installed? Is there a Harddisk in it or is it on a ROM-Chip?

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Mark J. Marshall
Film God

Posts: 3188
From: New Castle, DE, USA
Registered: Aug 2002

posted 04-01-2004 12:17 PM

What system? The operating system?

As far as I know it boots from ROM and then runs the dts.exe file, and waits for the time code.

The XD10 does actually have a hard drive for storing sound tracks for multiple movies, but I'm not sure if that model boots from the hard drive or boots from ROM like the older units. Maybe someone else can comment on that.

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Steve Kraus
Film God

Posts: 4094
From: Chicago, IL, USA
Registered: May 2000

posted 04-01-2004 12:51 PM

It is almost certainly physically possible to do DTS decoding all in software given the power to today's PC's. Someone would just need to cobble together the decompression code together with whatever playback software and timecode management don't come from dts.exe on each disk. You still need a timecode reader and whatever means to connect that to the PC.

Now that the analog track is going to drop in quality maybe some hacker ought to be encouraged to do this so DTS playback can become universal.

(I already have the real thing so this is purely academic to me.)

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99

posted 04-01-2004 08:49 PM

Demetris,
I agree DTS definately rocks big time. It has also been far less trouble for our customers in the last year or so.... we see so many bad SRD reels that at least one large customer we service has discontinued buying SRD equipment. I realize that other parts of the U.S. don't expereince this problem... for what ever reason. To me there is nothing worse than telling a customer to shut off his 8000.00 SRD system because of a bad reel and customer annoying reversions!! This is not to chastise Dolby for what is a good performing system.... The labs really have to be blamed for this....

Mark

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