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This topic comprises 5 pages: 1  2  3  4  5 
 
Author Topic: Dolby Fader Levels
William Kucharski
Expert Film Handler

Posts: 244
From: Louisville, Colorado, United States of America
Registered: Oct 2012


 - posted 06-17-2015 11:32 PM      Profile for William Kucharski   Email William Kucharski   Send New Private Message       Edit/Delete Post 
It was confirmed for me that I belonged in this group when I saw one of the Transformers movies at the Dolby Screening Room in San Francisco. It sounded awesome, but was unbearably loud and I spent the whole movie wishing I had access to the fader. (I suppose the fact that it was a crappy movie didn't help.)

As a fan of at least Transformers 1, 3 and 4, I'd love the opportunity to hear it in a "too loud" theater though the local IMAX did a respectable job with the title.

I went to see it again at a local AMC and went to the lobby twice to ask if they could turn it up at all; so disappointing.

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Randy Stankey
Film God

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


 - posted 06-18-2015 12:47 AM      Profile for Randy Stankey   Email Randy Stankey   Send New Private Message       Edit/Delete Post 
I happen to be in the camp of "Correctly calibrate your processor."

Yes, I understand that there are people who mix movies way too loud and that even when your processor is calibrated correctly, you still might end up being too loud.

Yes, I understand that movies vary and that the operator should check the levels for each movie and adjust the fader accordingly to the tastes of the audience and the style of movie.

Yes, I understand that equipment and auditoriums vary and that it is very hard or even impossible to calibrate two systems to sound exactly the same.

But I also believe that the technician should take the time to do the job right and that when he does, problems with wildly varying fader levels will be lessened.

The last theater where I set up a 650 would regularly run movies with the fader set between 6.5 and 7.0. Some movies that were extra loud needed the fader on 6.0 but others but some really quiet movies needed the fader on 7.5.

I rarely had to set the fader outside that range.

I say, if you do need to run with your fader too high or too low, you need to get your processor calibrated correctly.

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Aron Toplitsky
Expert Film Handler

Posts: 113
From: Gardena, CA, USA
Registered: May 2012


 - posted 06-18-2015 02:11 AM      Profile for Aron Toplitsky   Email Aron Toplitsky   Send New Private Message       Edit/Delete Post 
This is all very interesting! Thanks all for responding.

So when a few new films open at let’s say a local 18 screen AMC, will a projectionist actually take the time to set the proper level for each film? I would think not since most multiplexes don't care much about volume until there are complaints.

It's just been so frustrating going to theaters these days. I usually have to worry if an action film is going to be loud enough. And leaving the auditorium to ask for the volume to be raised is a big pain in the ass. It's not something I'd do. Is it a bit much to approach management prior to a film and request a volume check?

I can tolerate and prefer a loud mix, but to a point I guess. It's funny how seeing Terminator Salvation in the theater was SO loud that I kind of shut down and didn't really pay attention. That day I left not liking the film and didn’t really follow the story. Last week I watched it for the second time and enjoyed it much more. I never thought volume could affect me that way. That was one of the loudest theatrical experiences I ever had.

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Randy Stankey
Film God

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


 - posted 06-18-2015 03:44 AM      Profile for Randy Stankey   Email Randy Stankey   Send New Private Message       Edit/Delete Post 
With a 650, it is possible to recalibrate for each film but, unless you are in a mission critical situation, it's not necessary. In a googolplex theater it's unlikely that there would be anybody who knows how to do it right, anyway.

The processor needs to be calibrated upon installation and, if done right, it doesn't need to be fiddled with very often. You should be all right to simply have a tech do a preventative maintenance check every once in a while.

You will still have to adjust the fader for each given movie. It should need nothing more than a responsible person going to the theater and listening to the movie and deciding if it needs to be adjusted. But, if the processor is installed correctly, you won't have so many wild swings on the fader level.

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Carsten Kurz
Film God

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


 - posted 06-18-2015 06:04 AM      Profile for Carsten Kurz   Email Carsten Kurz   Send New Private Message       Edit/Delete Post 
In a larger multiplex, there will certainly be no one going through all the auditoriums and check volumes for all movies. If you're lucky, then local staff will be able to make adjustments based on complaints. So, no, it is never a good idea to sit through the movie and suffer. The moment you notice clearly that the sound is too loud or too soft, prepare yourself to get up and find someone. Of course, everyone, even experienced people, may need a few minutes into the movie to actually decide what the current setting will really come to. For some movies, it is easy to decide after a few seconds, for some, you need to wait a while into the action.

From my experience as a projectionist, volumes do vary, but not so much. So, if a movie is really too loud or too soft, most of the time there is something wrong or a deviation from the standard volume is active. Most cinemas are able to control volume through fader cues from their server at run time. That is, they could adjust volume for every trailer or main feature if necessary. When I see what happens in our cinema, variations are small. Our standard fader setting on our AP20 is 4.5 for preshow, and it goes up to 5.5 for the main feature. Quite often I do adjust to 5.7-6. Very rarely, usually on dubbed art-house films, I have to reduce to 5.2 or 5.0. That is actually not much in variation. And I do think, slightly too loud is always better than slightly too soft. From discussions with other projectionists in germany, I know that no one is playing at 7 here too. I am fascinated to hear that some people play at 3.5-4.5, but I can only assume that either the calibration is done different, or their cinema processor uses a very different fader characteristic than those playing at 5.5 to 6, so it could be that in reality, their level 4 is as loud as our level 5.5.

When calibrating an auditorium to official terms, strictly, the same reference level is only secured for fader setting 7 across all brands and types of cinema processors. At 6 or 8, the actual volume can be very different already between different equipment.

Yes, I have come to know cinemas that have no ability to either control volume manually from the auditorium or automatically per server/playlist cue. That's really a pain, as when they have multiple auditoriums, they usually play safe because they do not want to have complaints. One specific cinema I know is owner operated, that means, typically he is the only guy at the box office, and if he needs to adjust levels for his main auditorium, he has to climb three floors over a back-stair to get to the booth and leave the entrance and box office alone. You can imagine what that means for levels.

Well, even in these cases - complain, complain, complain, for both too loud and too soft! At some point he will have to install equipment that allows him to adjust levels.

- Carsten

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Jim Cassedy
Phenomenal Film Handler

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


 - posted 06-18-2015 09:40 AM      Profile for Jim Cassedy   Email Jim Cassedy   Send New Private Message       Edit/Delete Post 
I was reading backwards through this thread, and waaaaaaaay back on page one
(over 10 yrs ago !) Steve Guttag wrote:
quote: Steve Guttag
Dolby made a nifty gadget which has been dubbed the "annoyance" meter.
It merely gives an ongoing account of the relative level of a film over time.
It doesn't correspond to dB persay but some propritary level called Leqm.

What it does is measure the soundtracks for the entire length...and comes
up with a single number represenation...the higher the number the louder
the film overall.

Its nifty since the weight of any part of a film is proportional to the length
of an entire film.

Here's an actual photo of what Steve was talking about:
 -
There are two of them in the photo- - one is 'weighted' slightly differently from
the other. The soundtrack is sampled several times a second, and results are
sent to a computer which can then output the data as either a numerical table
or a graphical "map" of the entire movie sound level profile for analysis.

This still gets used on a regular basis. I've been asked to collect sound level
data for both the "Birdman" and "Furious 7" mixes recently, for example.

If you're curious to know more abou tit, there's a manual in the FT Warehouse.

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Randy Stankey
Film God

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


 - posted 06-18-2015 03:57 PM      Profile for Randy Stankey   Email Randy Stankey   Send New Private Message       Edit/Delete Post 
quote: Carsten Kurz
In a larger multiplex, there will certainly be no one going through all the auditoriums and check volumes for all movies. If you're lucky, then local staff will be able to make adjustments based on complaints.
I find that to be quite disturbing!

It is the operator's job to check each theater after the start of the feature to be sure that the sound and picture and the conditions of the auditorium, itself, are all okay.

That's the way I have always done it for fifteen years.

It doesn't take very long. Just one or two minutes. It's not a hard job, either. Just stand, quietly, in the back of the room and look and listen. Even in a 30-plex, it won't take long to do if there are a few people doing it.

Now that theaters are 99% digital, I understand that there is nobody who is specifically assigned to be the operator, anymore, but it is a simple thing for the manager to do, himself, or, better still, assign a crew of trusted employees to do it and report back.

Now that theaters are digital, this job has become even simpler!
Since we don't have to continually monitor mechanical equipment, there should be more time and more manpower available to put a real person in each theater for two minutes to make sure that customers are getting what they pay for.

The idea that digital presentation allows theaters to cut payroll falls flat on its face! Even with the reduced staff that digital presentation allows, it is a simple thing to require ushers to "check theaters" when they aren't doing another job.

How many stories do we know of ushers hanging around, out back, goofing off in so many ways? Where are the managers who are supposed to be keeping tabs on these employees?

In my mind, it's laziness. Sheer laziness!
And the advent of digital theaters has simply given lazy managers and employees an excuse to be even MORE lazy!

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Buck Wilson
Jedi Master Film Handler

Posts: 894
From: St. Joseph MO, USA
Registered: Sep 2010


 - posted 06-18-2015 04:35 PM      Profile for Buck Wilson   Email Buck Wilson   Send New Private Message       Edit/Delete Post 
That has not been my experience. The projectionist position and all payroll related to that position was cut day one of digital.

Payroll is extremely tight beyond that. You say ushers plural, but at this 10 screen, there is only 1 at any given time, including weekends. So they are trapped at the ticket box for their whole shift. Skeleton crew at all times, or else the GM will be hearing from the district manager! There is no one else to do it... concession staff is dealing with lines to the door, the one manager on the floor is ensuring rewards cards are being handed out, charity is being sold, refunds are being handled, complaints about long lines are being explained..... It's a miracle that the auditoriums even get cleaned between shows. too often, they don't.

[puke]

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Jim Cassedy
Phenomenal Film Handler

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


 - posted 06-18-2015 06:35 PM      Profile for Jim Cassedy   Email Jim Cassedy   Send New Private Message       Edit/Delete Post 
^^^^^^^^^^^^^^^^^^
[thumbsup] What he said.
I know theaters that even if they got a complaint, the
staff wouldn't even know where to find the volume control.

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Stephan Shelley
Jedi Master Film Handler

Posts: 854
From: castro valley, CA, usa
Registered: Nov 2014


 - posted 06-18-2015 07:15 PM      Profile for Stephan Shelley   Email Stephan Shelley   Send New Private Message       Edit/Delete Post 
In this day and age it should not be that difficult. Most modern processors can be controlled remotely. Like from the computer in the managers office. For instance the JSD-60 has a web interface you can change the volume from.

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Buck Wilson
Jedi Master Film Handler

Posts: 894
From: St. Joseph MO, USA
Registered: Sep 2010


 - posted 06-18-2015 09:10 PM      Profile for Buck Wilson   Email Buck Wilson   Send New Private Message       Edit/Delete Post 
Well sure! But that costs money/effort, you see, cant be spending any of that even if it's directly related to customer service/presentation....

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Aron Toplitsky
Expert Film Handler

Posts: 113
From: Gardena, CA, USA
Registered: May 2012


 - posted 06-18-2015 11:54 PM      Profile for Aron Toplitsky   Email Aron Toplitsky   Send New Private Message       Edit/Delete Post 
I just wanted to share some experiences when I’d complain about volume being too low. Of course I complained after seeing the film and not during.

When the first Avengers was released, I had a ticket to see The Raven. Prior to seeing it, I looked in on Avengers for a few minutes. This was playing in a rather large auditorium (AMC Del Amo 18 Torrance CA) and it sounded so dead. When they play the proper volume almost all of their screens sound great. So I figured Avengers was turned down too low and hardly any of the low frequencies could be heard. Then I saw The Raven and it too sounded quite low. I complained on the AMC site and within a week I heard from the manager via email. She explained how they went to each auditorium and adjusted the faders to the proper levels. The manager said they noticed quite a few theaters were turned down and never turned back up. She said they lower the volume and never play at setting 7, out of fear of complaints and blowing their speakers. So they tend to play most films around 5.5. The problem was fixed, the following week I saw Avengers for the first time and the volume was perfect! She gave me her personal email and asked that I would contact her if I had any more issues. Of course since that manager left there have been problems with that theater. Same old crap, movies turned down too low and every now and then I’d have to speak with management. I even posted on this site about how their digital IMAX has lost their powerful LFE. I still haven’t gotten an answer about that. Anyhow, I got quite tired of this so I drive further to my local Arclight where this issue doesn’t occur.

I went to an Edward’s theater in Irvine CA to check out their RPX Theater and it was a major disappointment! Saw Expendables 3 and there was just no power behind the sound system. Not only was it on the low side, but I hardly heard any LFE or surrounds. I mentioned this to the manager who was very nice btw, and he said they had to tone down the RPX a great deal. He made it sound like it was re-EQ’d. Apparently it was too overwhelming for audiences.

So for the most part I’ve had positive experiences with management, but it still frustrates me to go to the movies and worry if the proper levels will be played. In order to avoid this, I have to go out of my way to theaters that care and those that test films out before showing them.

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Randy Stankey
Film God

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


 - posted 06-19-2015 01:00 AM      Profile for Randy Stankey   Email Randy Stankey   Send New Private Message       Edit/Delete Post 
Yes, Buck and Jim. I get it. We have to do more and more with less and less.

I know that you guys give a shit and I know that you are doing what you can with what you've got.

But I still bet that you guys make it a point to go in and check theaters whenever you can, even if it's not every show or even every day.

I'm talking more about those people who don't seem like they even have two brain cells to rub together. We've all seen them, all too frequently. People like that are just plain dumb and lazy.

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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999


 - posted 06-19-2015 06:42 AM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
In a Film-Tech DCS system...the volume is automatically adjusted based on tickets sold.

What would be even more cool is to take Dolby's LEQ(m) meter and based on that number adjust the fader for that movie up/down so as to provide a consistent OVERALL level.

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Dustin Mitchell
Phenomenal Film Handler

Posts: 1865
From: Mondovi, WI, USA
Registered: Mar 2000


 - posted 06-19-2015 09:35 AM      Profile for Dustin Mitchell   Email Dustin Mitchell   Send New Private Message       Edit/Delete Post 
So, not knowing much about EQ's, if a theatre is EQ'd with the fader set to 5 instead of 7, would 5 then be equivalent to 7 for 'reference' purposes? Of is the fader setting irrelevant when the EQ is done?

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