Film-Tech Forum ARCHIVE: Gary Rydrstrom admits he has remixed Jurassic Park for the 3D release

This is topic Gary Rydrstrom admits he has remixed Jurassic Park for the 3D release in forum Film-Yak at Film-Tech Forum ARCHIVE.

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Posted by Aaron Garman (Member # 1653) on 04-04-2013, 10:47 AM:

Remixed for 3D

I don't know about you, but if this is the same re-mix that was on the Blu-ray, that is very very sad news indeed.

AJG

Posted by Brad Miller (Member # 2) on 04-04-2013, 04:25 PM:

My respect for Mr. Rydstrom is quickly dwindling. There is no excuse for this.

Posted by Steve Guttag (Member # 268) on 04-04-2013, 04:38 PM:

You can't have a 3D movie without 3D sound! [Roll Eyes]

Posted by Edward Havens (Member # 4715) on 04-04-2013, 05:04 PM:

I would have loved to see it in IMAX 2D.

Posted by Sam King (Member # 4029) on 04-04-2013, 05:38 PM:

Does this mean in IMAX we will actually get some Top Center channel sound?

Gotta love fixing what isn't broken. Maybe they can add some imperial walkers?

Posted by Aaron Garman (Member # 1653) on 04-04-2013, 05:53 PM:

I gotta give it to Cameron: at least Titanic's re-release was done right. Notice how we got a 5.1 mix on Blu-ray when the previous DVD had a 6.1 remix, probably by Rydstrom.

It's too bad, because his work is so so good. Why is he all of a sudden becoming a revisionist?

AJG

Posted by Jonathan Goeldner (Member # 4854) on 04-04-2013, 07:45 PM:

so Gary didn't do the 7.1 mix on the bluray [Confused]

Posted by Bobby Henderson (Member # 840) on 04-04-2013, 08:14 PM:

quote: Aaron Garman
Why is he all of a sudden becoming a revisionist?

Probably because he is being paid to make revisions by higher-ups who want revisions made. Either by Rydstrom or others who don't know the sound design like Rydstrom if Rydstrom passes on the work.

Posted by Martin McCaffery (Member # 37) on 04-04-2013, 09:10 PM:

When can we expect the first Academy Award for Redesigned Sound?

Posted by Louis Bornwasser (Member # 3063) on 04-04-2013, 10:09 PM:

Maybe the Razzies would be more in line for the Award!?

Posted by Aaron Garman (Member # 1653) on 04-05-2013, 12:23 AM:

Just got home from a screening. Here was my review:

Great scan of the film. 3D was extraordinarily well done. Best 3D conversion I've seen. Still pointless, but I have to give credit where credit is due. The soundmix? Shit. Absolute shit. Gary Rydstrom, the original sound designer and re-recording mixer said in an interview that he remixed it and it was dreadful. Less impact. Uneven dialogue throughout. Overly active surrounds. The volume was turned up midscrening and that helped a bit. Make sure to crank this one if you're projecting. Overall, still fun and a film that really demands a big screen. Looking forward to seeing it in 2D.

I can't believe someone of Rydstrom's talent signed off on that mix.

AJG

Posted by Brad Miller (Member # 2) on 04-05-2013, 01:36 AM:

Where is F when you need him?

Posted by Aaron Garman (Member # 1653) on 04-05-2013, 02:28 AM:

Where the F is F????

Posted by Ken Lackner (Member # 1002) on 04-05-2013, 01:29 PM:

What I wouldn't give to see this presented on the big screen as it was originally presented 20 years ago.

Who the F is F??

Posted by Manny Knowles (Member # 1171) on 04-05-2013, 02:45 PM:

The first 30-seconds of this clip from "Witches of Eastwick" says it all.

Posted by Jonathan Goeldner (Member # 4854) on 04-05-2013, 06:11 PM:

@ Aaron:
which audio mix are you referring to:

2D DCP (5.1 or 7.1 mix)?
3D DCP (5.1 or 7.1 mix)?
IMAX 3D DCP?

Posted by Claude S. Ayakawa (Member # 1401) on 04-05-2013, 07:23 PM:

I just saw JURASSIC PARK at Regal's Dole Cannery 18 in digital IMAX 3- D and found everything Aaron had pointed out about the sound mix totally unwarranted in my opinion. In fact, I never heard the movie sound this good before. The sound throughout the wilm was well placed and was clear including the dialogue.

The post converted 3-D was amazing and consider it just as good as AVATAR and HUGO which were both native 3-D productions. I was planning to see this in Real D at a theatre closer to where I live but I am glad I saw the IMAX version.

-Claude

Posted by Aaron Garman (Member # 1653) on 04-05-2013, 09:19 PM:

It was a 3D 5.1 DCP. It's possible the IMAX version has a different mix.

AJG

Posted by Jonathan Goeldner (Member # 4854) on 04-05-2013, 09:28 PM:

wouldn't the IMAX mix have height center channel audio matrixing?

Posted by Joe Redifer (Member # 3) on 04-05-2013, 09:47 PM:

Why would there be a separate sound mix for 2D and 3D?

Posted by Jonathan Goeldner (Member # 4854) on 04-05-2013, 10:00 PM:

^ there wouldn't be, I have NO IDEA why I asked it that way... [sleep]

Posted by Randy Stankey (Member # 64) on 04-05-2013, 11:32 PM:

quote: Manny Knowles
The first 30-seconds of this clip from "Witches of Eastwick" says it all.

Rape, incest, dildos and anal intercourse? Yup! Sounds about right! [Wink]

Posted by Brad Miller (Member # 2) on 04-06-2013, 05:18 AM:

quote: Claude S. Ayakawa
I just saw JURASSIC PARK at Regal's Dole Cannery 18 in digital IMAX 3- D and found everything Aaron had pointed out about the sound mix totally unwarranted in my opinion. In fact, I never heard the movie sound this good before. The sound throughout the wilm was well placed and was clear including the dialogue.

The odds are the Regal sound system was better than the sound system you saw it on in 1993. The reports I've been hearing from people who have heard it is that it is nowhere near as good as the original mix.

Posted by Steve Guttag (Member # 268) on 04-06-2013, 07:37 AM:

As I hated the original mix, that isn't saying much. A very painful mix to be heard and I ran a premier with those telling me that is how it should sound. We had a lot of complaints about it during the show too. That is another thing I never had during a premier either.

Posted by Louis Bornwasser (Member # 3063) on 04-06-2013, 07:57 AM:

Dialog issues? Louis

Posted by Joe Redifer (Member # 3) on 04-06-2013, 01:58 PM:

Steve, it probably sounded that bad because you had people there telling you how it should sound. Clearly they were wrong. It should not hurt anyone's ears.

Posted by Aaron Garman (Member # 1653) on 04-06-2013, 02:52 PM:

I can't imagine it ever hurting anyone's ears. To me, the original JP mix is one of those perfect mixes. Amazing fidelity and dynamic range. An example of something that can get very loud but never be fatiguing. Even in the quiet moments, it shines. The archeological dig at the beginning is a great example of this. Voice also always came across as crystal clear.

AJG

Posted by Brad Miller (Member # 2) on 04-06-2013, 03:08 PM:

JP was never harsh in the theaters I ran it in. Something was really wrong with your sound system for that premiere, Steve.

Posted by Steve Guttag (Member # 268) on 04-06-2013, 07:35 PM:

It was tuned for the Universal guys themselves...THEY set it as it was supposed to be. If it didn't make you want to leave the theatre...then it was YOU who didn't have a good tuning/sound system.

It is the first time I ever had to leave the theatre during the run through because I couldn't take the sound.

And the music...oh what a broken record it sounded like (I guess since it was DTS...it might have been a broken record).

Posted by Cameron Glendinning (Member # 3516) on 04-06-2013, 08:28 PM:

I remember that there were lots of complaints regarding the sound mix of Jurassic Park when it was first released, some West End Cinemas in London were turning up the centre channel to reduce the dynamic range because of complaints from the customers.

Posted by Manny Knowles (Member # 1171) on 04-06-2013, 10:03 PM:

quote: Steve Guttag
It was tuned for the Universal guys themselves...THEY set it as it was supposed to be.

Would these be the same people who think a room needs to be tuned twice a day..?

The following is a quote from this thread.

quote: F. Hudson Miller
Just for reference, our dub stages are done every morning and, if its mission critical, again mid-day. It is also reset every time we change procedures (from pre-dub to master to print master) or we change sound formats.

Posted by Aaron Garman (Member # 1653) on 04-07-2013, 12:44 AM:

Are you sure it wasn't playing back in Dolby A? [evil]

Posted by Tony Bandiera Jr (Member # 2365) on 04-07-2013, 09:49 AM:

I call BS on this:

quote:
F. Hudson Miller Just for reference, our dub stages are done every morning and, if its mission critical, again mid-day. It is also reset every time we change procedures (from pre-dub to master to print master) or we change sound formats.

Time is money in a dubbing stage and any facility that wastes that much time continually re-tuning the room cannot possibly be competent or cost-efficient.

Can you imagine any screening room or cinema telling the clients/customers to wait as a B-Chain was done when switching from say a DTS to a Dolby Digital show? [Roll Eyes]

I CAN see it reasonable for a daily morning touch-up as varying conditions of temperature and humidity can have a subtle effect on the sound of a room (but then again, if it is air-conditioned then those should be at a relatively constant value anyways.)

Honestly I think Mr. F threw that one out to try to defend his position.

Posted by Bobby Henderson (Member # 840) on 04-07-2013, 01:35 PM:

Jurassic Park sounded awesome at the GCC Northpark #1 theater. The sub-bass was strong enough to move the air in my chest. Dialog was clear throughout. The dynamics were literally startling in a few spots. I guess that sort of thing annoys some viewers, but I think it's great.
[evil]

I watched JP at a couple other theaters in the Dallas area just to see how they handled DTS (not as good as the Northpark theater). I also watched it a couple times here in Lawton (optical analog both times). The Video Triple theater forgot to remove "the Digital Experience" trailer from the front of the movie; it played in basic stereo there. The Vaska had it in mono.

Maybe I'm spoiled to the DTS track on Jurassic Park, as heard in the GCC Northpark theater. I watched it there maybe half a dozen times. The analog track kind of sucks by comparison. The T-Rex sequence, where it breaks out of its pen, really needs that very dynamic original 5.1 mix. The bass and dynamics are a big part of what sells that scene. When you listen to in plain optical analog the scene just isn't nearly as scary.

Posted by Manny Knowles (Member # 1171) on 04-07-2013, 02:07 PM:

^^ So true. After seeing it a number of times in DTS with THX at the GCC near my sister's place in Miami, I eventually checked it out in a theatre that was playing the analog tracks -- and that just confirmed everything for me right there.

So...was GCC known for having good sound, or is this mere coincidence?

Tony, I don't call BS on whether F's claim is TRUE or not. I call BS on whether it's NECESSARY. I think it's prima donna "I hear things nobody else hears" bullshit. (aka "job insecurity" bullshit.)

Posted by Aaron Garman (Member # 1653) on 04-07-2013, 02:54 PM:

George once said that sound is 50% of the experience. With Jurassic Park, I'd say it's nearly 75%. The CGI may be great, along with the animatronics. But without deep bass conveying the stomp of the T-Rex, the high pitched roar of a raptor, or even the fidelity of the John Williams' musical score, the movie is not nearly as exciting or engaging.

AJG

Posted by Manny Knowles (Member # 1171) on 04-07-2013, 03:04 PM:

I'd go with 50% -- turn off the visuals and see what happens.

Posted by Aaron Garman (Member # 1653) on 04-07-2013, 04:18 PM:

I'm such a geek I might actually try that... [Wink]

AJG

Posted by Jonathan Goeldner (Member # 4854) on 04-08-2013, 08:29 AM:

I saw this last night at Tysons on their IMAX-D screen ... and wow! just wow! aside from very (very) minor ghosting I thought the 3D conversion was excellent. The sound though, was a mixed bag - the surrounds seemed a little subdued, not by much, but it wasn't as assaultive as say 'Raiders of the Lost Ark' (IMAX-D, at the same theater). The T-rex roars raised the hair on my neck, but the one scene where the raptor breathes on the kitchen door window seemed dialed down and didn't have the punch that either the original theatrical mix or the DTS laserdisc has.

Posted by Joe Redifer (Member # 3) on 04-09-2013, 04:08 PM:

OK I just watched the T-Rex scene back-to-back on LaserDisc DTS (which according to Aaron is better than a handjob by God Himself) and the Blu-ray DTSHDMA 7.1 version (which according to Aaron is worse than committing suicide with a potato peeler).

The DTS LaserDisc had a teeny bit more punch. The Blu-ray's surrounds were much more active. Both version's dialog sounded about the same to me and they both played with the receiver at the same volume level and sounded like they were being played back at the same level (ie: one wasn't quieter than the other). Both versions had subwoofer that pushed my chest but the DTS LaserDisc pushed it a touch more and wiggled some hairs as well. Neither seemed more harsh in the EQ than the other. So either both are near field mixes or neither are. The difference isn't as night and day as Aaron would have you believe, but the DTS LaserDisc IS the better of the two.

Posted by Bobby Henderson (Member # 840) on 04-09-2013, 04:43 PM:

I never listened to the DTS Laserdisc version of Jurassic Park. I'm wondering how the Laserdisc compares to the "fixed" 2nd pressing of the Jurassic Park DTS DVD. I might expect some differences in music quality considering the DTS DVD is running at only half the bit rate of the LD track.

Posted by Aaron Garman (Member # 1653) on 04-09-2013, 11:53 PM:

I think I find it night and day because I've seen the movie too many times and just overly familiar with the original mix. Anything else just sounds out of place. Most people will find it enjoyable, but from an historical perspective, it's still revisionist filmmaking.

The DTS DVD was decent, just never had the same impact as the LD or the theatrical mix.

AJG

Posted by Bobby Henderson (Member # 840) on 04-10-2013, 09:33 AM:

Are you talking about the fixed disc (the replacement DTS DVD Universal sent to customers after sending in their original DTS DVD)? There's no question the first DD and DTS DVDs of Jurassic Park were lacking in sub-bass.

Posted by Aaron Garman (Member # 1653) on 04-10-2013, 11:36 AM:

The fixed DTS one. As far as I know the AC3 one never got a "fix".

I've actually never heard the broken DTS DVD...I got the fixed one from the start. Again, it's ok and watchable, just not the same as the DTS/AC3 LaserDiscs and the original 6 track.

And it always baffled me that a film so notorious for its sound would have these troubled releases. The LaserDiscs were all great, even the 2 channel PCM mixes were stellar for their time.

AJG

Posted by Joe Redifer (Member # 3) on 04-10-2013, 03:49 PM:

It's really interesting that there is a "fixed" version. This is not the only movie this has happened on. According to F, studios REALLY CARE about the home market. On such a high profile movie you would have thought they would catch such an error. But usually it's up to the consumer to do the bug testing on any product nowadays. It's hard for me to respect the professionalism of anyone who could overlook something like that before it was released.

Posted by Victor Liorentas (Member # 5272) on 04-10-2013, 04:27 PM:

In 1993 when we opened Schindlers List in 5.1 DTS. It was a THX house and the sound was really fantastic! What always stuck with me was the bass on the train arriving into Auschwitz. Every video version including the new Blu Ray has very little bass in comparison.
Did we just have our sub level to high? Or have they near field fixed it? Anyone else notice this on Schindler?

Posted by Aaron Garman (Member # 1653) on 04-10-2013, 04:34 PM:

Hmm, I don't remember it ever jumping out. Let me check my DTS LaserDisc...

AJG

Posted by Mark Strube (Member # 4190) on 04-10-2013, 10:05 PM:

I went to an IMAX 3D showing of Jurassic Park tonight. (LieMax at an AMC.)

This screen has always had rather impressive sound. Pleasing EQ, with feel-it-in-your-gut sub-bass.

The trailers sounded like the system was up to the challenge. Unfortunately, this version of Jurassic Park presented no challenge.

I kept waiting to feel the dino footsteps. It never happened. The dynamic range was also crushed. No really quiet scenes. No really loud scenes.

WHY would they neuter the sound mix like this? If they have to do anything to it, make it more dynamic and punchy. Systems have gotten more powerful over the years (for the most part).

Truly disappointing.

Posted by Brad Miller (Member # 2) on 04-11-2013, 01:08 AM:

I watched part of this 2 days ago and again today. Two different complexes, both in a couple of different well setup auditoriums.

Gary, why you make it suck??? It was very blah and dialed-down. Why? Why? Why?

F, let this be a lesson to you. Stop this nonsense!

What's really sad is there are people taking it upon themselves to rip the blu-ray AND a set of cinema DTS discs and go through great pains to marry the two onto a new blu-ray. If people like F would stop playing George Lucas on a finished product, these people wouldn't have to go through so much trouble.

What's next? Walkie-talkes in place of guns? Leave the movies AS THEY WERE ORIGINALLY MADE!!!

Posted by Bobby Henderson (Member # 840) on 04-11-2013, 12:51 PM:

quote: Mark Strube
I kept waiting to feel the dino footsteps. It never happened. The dynamic range was also crushed. No really quiet scenes. No really loud scenes.

I wonder if Steven Spielberg had any involvement with the audio track on this 3D movie release, the Blu-ray disc or even the previous DVD versions.

Toning down the bass, loudness and compressing any dynamics just plain entirely misses the point of the original JP audio mix.

One of my favorite sound moments in Jurassic Park was the hard scene cut from the baby raptor nursery to the adult raptor feeding pen. The camera is in close on that baby raptor. The music bed is low and tense. The film cuts to an elevated shot of the raptor feeding pen. The cut is punctuated by a very loud, very startling raptor scream. The first time I watched Jurassic Park that raptor scream scared the hell out of me. Then I started laughing. Wow. On repeated viewings I'd check out other audience members getting jolted by the same scene. It was funny as hell.

With a toned down mix I doubt any viewers would be getting startled at all.

Posted by Joe Redifer (Member # 3) on 04-11-2013, 01:00 PM:

Hmmm... maybe Gary just ran the entire mix through a Smart Afterburner™ and called it a day.

Posted by Aaron Garman (Member # 1653) on 04-11-2013, 11:56 PM:

quote: Victor Liorentas
In 1993 when we opened Schindlers List in 5.1 DTS. It was a THX house and the sound was really fantastic! What always stuck with me was the bass on the train arriving into Auschwitz. Every video version including the new Blu Ray has very little bass in comparison.
Did we just have our sub level to high? Or have they near field fixed it? Anyone else notice this on Schindler?

Just checked it out on DTS LaserDisc. No, there is some serious bass throughout the whole scene, including the shot where they show the smoke stack. I grew up watching this mostly from a TV broadcast and then the standard PCM track on the LaserDisc. I've heard the DVD but it wasn't memorable. This LaserDisc track, after listening again, is of very high fidelity. Very haunting too. The music comes across so beautifully.

AJG

Posted by Connor Wilson (Member # 6088) on 04-13-2013, 07:21 PM:

So today I watched Jurassic Park in IMAX 3D at Tyson's Corner. Yesterday, I watched the CAV LaserDisc to prep for comparison. Sorry, it wasn't DTS.

It was the best post-converted 3D I've ever seen, minus some minimal ghosting. Also the film scan is really good and has a warmer palette than the CAV LaserDisc. One thing I noticed in the 3D version was a green lens flare on Iam Malcom's face on the shot of him saying "the rape of the natural world", whereas the LaserDisc didn't have that. It seemed darker than the LaserDisc, and IMAX 3D is very bright.

Film transfer: 5 out of 5
3D conversion: 4.75 out of 5

The sound was okay. The sub-bass in the theatre was blown, which sucked. The trailer for After Earth which played before the film, had better dynamic range than the film itself. It wasn't as horrible as the remix for The Lion King, or the ETX Dolby Atmos presentation of A Good Day to Die Hard at Tyson's, nor was it as surprisingly decent as the remix for Monsters, Inc. Even the 2.0 matrixed surround on the CAV LaserDisc was superior than the remix. Wow, Gary, way to go.

Sound transfer: 4 out of 5
Theatre acoustics: 3 out of 5

Posted by Jonathan Goeldner (Member # 4854) on 04-13-2013, 10:52 PM:

^ not to digress, but AMC Tysons's 3D presentation of 'Monsters, Inc' on screen 8, specifically the sound (while only 5.1) was just outstanding (not to mention the excellent 3D conversion which to date is Pixar's best).

Posted by Marc D Fishman (Member # 6992) on 04-15-2013, 04:19 PM:

Manny and Tony... He is talking about SPL'ing the room, not tuning.

You didn't quote his entire statement.:

"How often are your rooms pinked and the SPL reset? Just for reference, our dub stages are done every morning and, if its mission critical, again mid-day. It is also reset every time we change procedures (from pre-dub to master to print master) or we change sound formats. "

Posted by Steve Guttag (Member # 268) on 04-15-2013, 11:55 PM:

What sort of meter are you using? If it is the standard RS meter...odds are it is the source of any variation you may see from beginning to end of day. Particularly with the digital equipment, I just don't see drift in the system (level wise)...now HF diaphragms do lose their HF output over time but not noticeably from the beginning to end of day.

Posted by Joe Redifer (Member # 3) on 04-17-2013, 04:20 PM:

I love the Radio Shack meter but Steve's right. You can turn on the pink noise, set the level and have a good reading, turn the meter off (while leaving the pink noise playing), turn it back on and the reading might be *slightly* off from what it was seconds ago. I have to slap mine to get it to function (analog one with a needle, not digital).

Posted by Mike Blakesley (Member # 26) on 04-17-2013, 04:30 PM:

quote:
F, let this be a lesson to you. Stop this nonsense!

I get the feeling F decided to bag this site.

Posted by Manny Knowles (Member # 1171) on 04-20-2013, 01:09 PM:

Posted by Sean McKinnon (Member # 612) on 04-20-2013, 01:33 PM:

Well said! [Wink]

Posted by Brad Miller (Member # 2) on 04-20-2013, 02:16 PM:

I caught another 5 minutes of this last night in yet another theater. This time it was the end of the raptor scene (end of the movie). So sad. [thumbsdown]

Posted by Richard Fowler (Member # 893) on 04-20-2013, 05:19 PM:

Sad sounding.....I remember the original after listening scores of times while installing lots of DTS equipment in a hurry....

Posted by Aaron Garman (Member # 1653) on 04-20-2013, 05:44 PM:

I probably would have gone back to the cinema to see it several more times if the sound would have been right. I only went once.

Pity.

AJG

Posted by Brad Miller (Member # 2) on 04-20-2013, 06:37 PM:

They spent more money to remix it to make less money. Typical idiotic behavior. The same crap is happening at home for "near field mixes". It is a 100% waste of money for all the reasons on the other thread starring F himself.

Posted by Dennis Benjamin (Member # 1137) on 04-23-2013, 12:49 PM:

I took my kids this past weekend to see this:

1) I went to a Carmike location. Bad choice. Horrible experience.

2) Large dark spot on the screen. Bad DLP chip?

3) None too impressed with the sound.

Now I will say this: Jurassic Park came out in 1993 and the theatre I managed had DTS installed for this film. The sound
was amazing and blew me away in 1993. I remember running to open the auditorium doors on that last scene with the Tyranosaur. The people waiting in line in the lobby were very impressed with the loud dinosaur sounds coming out of the theatre.

Things aren't like they used to be.

Posted by Marcel Birgelen (Member # 6801) on 04-24-2013, 06:58 PM:

quote: Dennis Benjamin
2) Large dark spot on the screen. Bad DLP chip?

It is quite unlikely to have the same pixels fail on three seperate DLP chips. Was it a square or rectangular dark spot?

quote: Dennis Benjamin
Now I will say this: Jurassic Park came out in 1993 and the theatre I managed had DTS installed for this film. The sound
was amazing and blew me away in 1993.

I cannot compare yet, because I didn't see it yet. But at least in my case, my memory fooled me several times. I've witnessed a 35mm presentation in SRD of Saving Private Ryan not that long ago. The sound system is usually perfectly fine in that theater, but the sound mix was by far not as impressive as I remembered it. It lacked the immersive surround I've gotten used to in many recent features.

Posted by Dennis Benjamin (Member # 1137) on 04-28-2013, 07:01 PM:

Um, it was more shaped like a sideways oval. It was there throughout the entire show. I did not see any stain or anything on the screen before picture hit it. But who knows..

Posted by Mike Blakesley (Member # 26) on 04-28-2013, 10:22 PM:

If the picture was just darker, maybe it was a pop stain that had been "cleaned off" but they took some of the reflective material from the screen. ...Or was the picture completely gone in that spot?

Posted by Bobby Henderson (Member # 840) on 04-29-2013, 08:56 AM:

Could the dark spot be due to a burn mark on a reflector in the lamp house?

Posted by Marcel Birgelen (Member # 6801) on 05-06-2013, 06:33 PM:

The reflector itself is a lens and there is probably at least another condenser lens before it hits the DMDs, so I guess it is highly unlikely if not even impossible that a burn mark inside the reflector would end up as a small, dark spot on the screen.

Whatever it was, it must either have been in or near the focus of the projection lens or on the screen itself.

I've had a chance to see/hear the 3D release. I found the dialog to be somewhat uneven and the surround was probably a whole bit more present than in the original mix. The worst part was probably the footsteps part of the first T-Rex attack, it missed impact. Overall, I didn't think the mix was bad and to be honest, my recollection of the original DTS mix is so vague, that I don't dare to compare.