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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » DTS time coding (Page 2)

 
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Author Topic: DTS time coding
Markus Lemm
Expert Film Handler

Posts: 113
From: Ottawa, Ontario, Canada
Registered: Nov 2005


 - posted 04-26-2016 10:02 AM      Profile for Markus Lemm   Author's Homepage   Email Markus Lemm   Send New Private Message       Edit/Delete Post 
Florian can you message me and I can walk you through the procedure. I've had to do this in the past for a couple of trailers that were about 5 seconds off. You will have to burn a new disc too.

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Jim Cassedy
Phenomenal Film Handler

Posts: 1661
From: San Francisco, CA
Registered: Dec 2006


 - posted 04-26-2016 10:04 AM      Profile for Jim Cassedy   Email Jim Cassedy   Send New Private Message       Edit/Delete Post 
quote: Leo Enticknap
I think the analog audio on his print is of the German "VF",
and he wants to hear the English

D'oh! I missed that small but significant detail in the original post.
Now I understand Florian's dilemna!.

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Blaine Young
Master Film Handler

Posts: 477
From: Kirkland, WA, USA
Registered: Sep 2006


 - posted 04-26-2016 10:47 AM      Profile for Blaine Young   Email Blaine Young   Send New Private Message       Edit/Delete Post 
I'm just thinking outside the box here. If you inserted 20 seconds of silent audio at the start of the R1 audio, you could - in theory - re-sync the track. However, to get the sync correct, you would need to know exactly how many 'frames' of audio to insert. DTS audio runs at 30 frames per second, so you actually have to insert the correct number of frames into the track. Plus you can't just insert the audio at the beginning of the reel since printed timecode on prints typically are between 30 and 60 frames INTO the reel.

If you have the German R1 and can get the frame number of the first DTS frame of the feature from the print, and the first DTS frame number of the 'studio' snipe, it may be possible to insert the necessary silent into the DTS R1 file to resync the reel.

In theory.

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Florian Kuik
Film Handler

Posts: 39
From: meppel, drenthe, nederland
Registered: Feb 2016


 - posted 04-26-2016 02:30 PM      Profile for Florian Kuik   Email Florian Kuik   Send New Private Message       Edit/Delete Post 
Wow, the community over here is very alive! Thanks for all the feedback. I indeed have a Tarzan print, bought from a collector and it has a German analof track. Off course, I want to listen to the english DTS.

@Blane, any idea how to edit this?

The timecode of the german R1 is 525 frames longer. So the sound starts to early on R1. I hoped there is a way to edit the audiofile or something like that to add this delay.

I send Markus a mail, if he knows a way, that would be great!

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Randy Stankey
Film God

Posts: 6539
From: Erie, Pennsylvania
Registered: Jun 99


 - posted 04-26-2016 02:40 PM      Profile for Randy Stankey   Email Randy Stankey   Send New Private Message       Edit/Delete Post 
Wasn't it supposed to be one of the selling points of DTS, back in the day, when you wanted to play a movie in an alternate language, all you had to do was swap out the disks?

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Jim Cassedy
Phenomenal Film Handler

Posts: 1661
From: San Francisco, CA
Registered: Dec 2006


 - posted 04-26-2016 03:23 PM      Profile for Jim Cassedy   Email Jim Cassedy   Send New Private Message       Edit/Delete Post 
Yes, Randy- -that was supposed to be a big selling point.

And while that promise was accurate in a technical sense, it was not always
true in practice.

Case in point:
We have a large Asian population here in San Francisco. I know one theater
owner who put DTS into two of his theaters, one of which was in a primarily
Asian populated neighborhood. He did this because some of his older Asian
customers often asked if it was possible for him to get some of the major
American releases with 'dubbed' Mandrin or Cantonese sound tracks, so they
could better understand and enjoy their moviegoing experience.

His plan was to have at least one or two alternate language shows a day to
accommodate his non-English speaking customers.

Of course the equipment sales rep said this would be "no problem".

In practice however, he found out that almost 99% of the time he tried to
do this, he was told that the foreign language version DTS disks he wanted
to get "were not licensed for use in the USA".

So, even though we knew these films were playing with DTS foreign language
tracks in places like Hong Kong & Singapore, ete, it was impossible to get those
disks for USA use due to various licensing agreements. It was further complicated
by the fact that in many cases foreign distribution was handled by a different
company than in the USA, and their contracts prohibited them from providing
content outside their 'home' country territory.

Almost every request was turned down. I remember the theater owner was
pretty pissed since he felt he'd been 'duped' into buying the DTS systems
which turned out to be 'useless' for the primary purpose he bought them for.

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Gordon McLeod
Film God

Posts: 9532
From: Toronto Ontario Canada
Registered: Jun 99


 - posted 04-26-2016 04:03 PM      Profile for Gordon McLeod   Email Gordon McLeod   Send New Private Message       Edit/Delete Post 
Well if you have a time code generator determine the Pix start location with the offending logo removed and then sync and lock
If you don't have a generator then record the time code off the reel as a wave file on a computer and then remove the footage and hopefully sync the starts on playback

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Marco Giustini
Film God

Posts: 2713
From: Reading, UK
Registered: Nov 2007


 - posted 04-26-2016 04:28 PM      Profile for Marco Giustini   Email Marco Giustini   Send New Private Message       Edit/Delete Post 
Leo,

The distributor was very confident that your DTS was working fine and that the projectionist (you) would use it!

Back in the days I knew very little projecionists actually using DTS - or whatever that was not switching on when flipping the big "ON" breaker on the wall.
Most of the time shows were in fact running with the last format which was selecting itself on the automation.

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Blaine Young
Master Film Handler

Posts: 477
From: Kirkland, WA, USA
Registered: Sep 2006


 - posted 04-27-2016 06:55 PM      Profile for Blaine Young   Email Blaine Young   Send New Private Message       Edit/Delete Post 
quote:
@Blane, any idea how to edit this?

The timecode of the german R1 is 525 frames longer. So the sound starts to early on R1. I hoped there is a way to edit the audiofile or something like that to add this delay.

525 frames at the typical 24fps?

Take hi-res pictures of several frames of the header of R1, before the first cut, and then after the first cut. If you can see clear printing inserts (change in color, whatnot) at the beginning and end of the studio bump, pictures of both, and where you can clearly tell the feature begins.

I'll get my binary calculator out.

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Carsten Kurz
Film God

Posts: 4340
From: Cologne, NRW, Germany
Registered: Aug 2009


 - posted 04-28-2016 05:54 AM      Profile for Carsten Kurz   Email Carsten Kurz   Send New Private Message       Edit/Delete Post 
quote: Randy Stankey
Wasn't it supposed to be one of the selling points of DTS, back in the day, when you wanted to play a movie in an alternate language, all you had to do was swap out the disks?

It was, but you would probably call your local distributor for a 'local foreign language disc' that would include proper timing for an added leader.

Disc/language swap It was a technical promise, but that doesn't mean it was always backed by distribution reality.

- Carsten

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Florian Kuik
Film Handler

Posts: 39
From: meppel, drenthe, nederland
Registered: Feb 2016


 - posted 04-30-2016 12:38 PM      Profile for Florian Kuik   Email Florian Kuik   Send New Private Message       Edit/Delete Post 
Thanks all! It will take me some time to compare the english and german print next to each other, but I will make pictures and let everyone now if this is a working solutioN!

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Daniel Schulz
Master Film Handler

Posts: 387
From: Los Angeles, CA USA
Registered: Sep 2003


 - posted 04-30-2016 02:42 PM      Profile for Daniel Schulz   Author's Homepage   Email Daniel Schulz   Send New Private Message       Edit/Delete Post 
Just a little more background on how things like this *should* have been handled.

DTS always encouraged international distributors who wanted to attach their own distributor logo to do that at negative assembly, with the distributor logo (whether silent or with sound) treated as a separate soundtrack element. DTS always treated trailers as Reel 14, so what you'd see on the print is a Reel 14 with the assigned serial number for the logo, and then at feature start the timecode would start at Reel 1 Frame 1.

However, for their own reasons, international versions often created an all-new Reel 1 that incorporated the different logo build as part of the Reel 1. DTS would typically handle this by using an alternate reel number and include both versions on the disc, so that we could have a single disc inventory. So if for example you have a movie that is Fox domestic but Paramount international, the disc would contain reels 1-5 plus a Reel 13, which is the international reel 1.

When dubbed versions were created, we would have to confirm with the dubbing studio which version of picture they were conforming to. On Tarzan it seems DTS was not informed (or misinformed) about the fact that the German dub did not match the OV picture and sound. What *should* have happened is an alternate reel number should have been assigned to the Germany version reel 1.

Where it gets interesting is if there was ever an English soundtrack that matched that German picture it all. Tarzan being a children's movie, it could be that the only soundtrack created that matched the German version picture was the German dub, and so although using a correctly-assigned alternate reel number would prevent sound from playing out-of-sync, the system would revert to analog when playing the reel that doesn't have a corresponding DTS audio file.

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Leo Enticknap
Film God

Posts: 7474
From: Loma Linda, CA
Registered: Jul 2000


 - posted 05-03-2016 09:23 AM      Profile for Leo Enticknap   Author's Homepage   Email Leo Enticknap   Send New Private Message       Edit/Delete Post 
quote: Daniel Schulz
However, for their own reasons, international versions often created an all-new Reel 1...
A major reason was censorship, and that didn't just affect reel 1. For example, as a general rule, at the different age points, the British Board of Film Classification is more tolerant of sex and less of violence than the MPAA. So it frequently happened (and probably still does happen) that a reel containing a sex scene (or a sexually suggestive scene) that was cut in the US was shown uncut in Britain, or one with a fight or torture scene that was shown uncut in the US was trimmed for the UK release, because the UK distributor was willing to make whatever cuts were needed to get a given certificate (rating). In particular, they would not want a major blockbuster to be rated 18, and would change was was necessary to get 15. To a lesser extent, that also happened with 15 to 12 and 12 to PG. If that happened, specific prints of the affected reel would be made for the British market.

Mix and match prints, containing some reels recycled from the US release, and others reprinted by a British lab, were very common. You could see instantly when you got one, because the US recycled reels came on 4" cores (that had been unclipped from the Goldberg flanges of their original shipping reels) and often smelled of the ultrasonic cleaning chemistry, whereas the British ones arrived on 3" cores and often had Technicolor UK (or whatever) lab labels on them.

So I'm guessing that DTS handled these the same way, except that if more than one reel were affected, there would have to have been a reel 14, 15, etc. on the discs.

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Daniel Schulz
Master Film Handler

Posts: 387
From: Los Angeles, CA USA
Registered: Sep 2003


 - posted 05-03-2016 09:48 AM      Profile for Daniel Schulz   Author's Homepage   Email Daniel Schulz   Send New Private Message       Edit/Delete Post 
quote: Leo Enticknap
So I'm guessing that DTS handled these the same way, except that if more than one reel were affected, there would have to have been a reel 14, 15, etc. on the discs.
That's exactly right - additional alternate reels were simply assigned new reel numbers, counting backwards from Reel 13. Reel 14 was reserved for trailers, and Reel 15 was unavailable for use for obscure technical reasons lost to the mists of time. We'd start to worry if a long movie had many alternate reels, because you could run out of either available reel numbers or disc space, and be forced to carry dual inventory.

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Florian Kuik
Film Handler

Posts: 39
From: meppel, drenthe, nederland
Registered: Feb 2016


 - posted 05-14-2016 05:09 AM      Profile for Florian Kuik   Email Florian Kuik   Send New Private Message       Edit/Delete Post 
I've had some help with making a cd with a 20 second ofsett. Not sure if that's the right time, but we can test the " procedure' that way.

Probably take another weeks to test it properly. Keep you informed!

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