Basically, an Academy pre-empahsis filter would just be applying an EQ setting
to your sound file so that it would be designed to work in conjunction with a
theater's standard EQ'ing.
There was a standard "Academy Curve" that was utilized to try and create a
standard for mono, and it was replaced with the use of an ISO X-Curve for
stereo, which also had variances in the formula based on room size. Each of
these rolls off the high and low ends of the spectrum, effectively accounting
for the longer reverb of bass, and the hiss inherent in an optical soundtrack.
All of this is to say that it doesn't need to be expensive, and you could
effectively copy the older Academy Curve for your mono soundtrack through the
use of EQ that mimics its shape. Now, as for how good your file would sound
once it becomes an optical soundtrack is a little more of an art than just
applying a pre-set, but if there's not a wealth of subtlety in the shape of
your sounds, or a lot of high end (over 4K) or low end (under 100hz), you
should get acceptable results.
See here for a little history and explanation: THE X CURVE & Double-Head
Screenings | Music of Sound
THE X CURVE & Double-Head Screenings |...
The name sounds like some magic preset, and in a way it is, but I’m not sure if
magic is quite the right description.
View on www.musicofsound.c... Preview by Yahoo
-Jason Halprin
On Friday, April 25, 2014 3:27 PM, Roger Wilson <rogerdwil...@sympatico.ca>
wrote:
Hi again Jared,
Have a look at this link, it talks about prepping audio for 16mm mono track and
creating optical tracks.
http://www.sfu.ca/~gotfrit/ZAP_Sept.3_99/f/fsnd_lect_16mm_mix.html
Roger D. Wilson
Film Scientist
613 324 - 7504
rogerdwil...@sympatico.ca
http://www.rogerdwilson.ca
Without failure you can never achieve success. I have based my process and my
career as an experimental film artist on this statement; and I welcome it as it
pushes me forward as an artist to try something different, something new.
________________________________
From: jaredphutchin...@gmail.com
Date: Fri, 25 Apr 2014 14:35:21 -0500
To: frameworks@jonasmekasfilms.com
Subject: [Frameworks] Optical Sound - filter
Hello, all,
I am almost ready to send out for an optical track for my first sync-sound
print.
I gave a call to the lab which photographs for optical tracks and I was told
that my sound needed to be treated with an academy pre-emphasis filter. I was
wondering if this (possibly expensive?) stage is necessary for my film sound.
The soundtrack to my short is pretty primitive-sounding and not reliant on
great fidelity.
Thanks!
Jared
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