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This topic comprises 2 pages: 1 2
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Author
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Topic: Volume for movies?
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Patrick S. Chaffins
Film Handler
Posts: 11
From: Mount Clemens, Michigan, USA
Registered: Feb 2000
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posted 02-26-2000 10:57 PM
Devriendt,7 is just a "magic" number . . . The level that you play a film dependent on many factors, most of which have been covered above. The question is, what other chnages were made when you upgraded to "Digital"? One important thing to remember is what level was it at before the upgrade. One way to check is to switch to "SR" or "A-type" and set it at the level you heard before the upgrade. Note that level, now switch to the digital playback and again check the level. 1) it shouldn't change except that the surrounds will split
2) it sould sound cleaner, a little more high end frequency response, but not louder! If the volume level does change then there is something wrong in the set-up! (However, a properly set-up "SR" system will be barely noticable in HF response change) Now that you've got that refrence level and you digital level to match that and everybody is happy (ha,ha) then that is your "7"
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Stefan Scholz
Expert Film Handler
Posts: 223
From: Schoenberg, Germany
Registered: Sep 1999
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posted 02-27-2000 12:46 PM
I never changed fader setting in our theaters, 0.0 those are Pony units for all processing. With the B chains we use, we never got complaints. We are known for offering "picture and sound", something other places do not offer.
The Sony scale is a caliberated dB scale, and therefore displays the actual offset from reference level, which is the level, the system was set up with.
The Dolby "7" and the numbers do not directly show any offset to "reference", but one step is about 3-4 dB.
I have found many theatres which play at 3.5 - 4, and the sound is really too low, hardly intelligibable, but "due to customer's request".
Normally dialogue is recorded at 82 dB, 3 dB below ref., check with SPL while in theatre, well aligned sound systems reproduce about 82 dB. If sound FX are ghastly with this setting, the B chain could not handle, you'll need an afterburner, no device to crank volume levels down.
And I have always had theatre operators complain about absence of "auditorium faders", which I do not like. My old Ultra Stereo setup used to have one of theese devices, always set to 16 on the scale of 24 (2 o clock position), and was never altered.
I have a feeling, people are known to TV and video. There they can overcome dynamics with their remotes, by cranking up dialogue, and cranking down sound FX. And yes many complains come from those viewers with surround setups. "Sitting under spkr, and no surround etc", is common. They would require a seperate remote for the surrounds.
I think this existed. Back in the 50's. With 6 track mag 70 mm.
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