From: Todd Eacrett (email suppressed)
Date: Wed Feb 04 2009 - 07:23:52 PST
With audio chasing the picture on a decent projector, speed fluctuation shouldn't be any greater than that of the same projector running an optical track.
----- Original Message -----
From: marco poloni <email suppressed>
Date: Tuesday, February 3, 2009 2:03 am
Subject: Re: syncing sound on super-16mm
> This is great. I have been discussing with a friend of mine who
> does interfaces and he was thinking along similar lines, having a
> tachimeter regulate projector and sound device. But it is the sound
> that should drive the image, not the contrary, because fluctuations
> in sound speed are likely to be immedietly heard, whereas a small
> variation in the projector's speed is likely to pass unnoticed.
> I'll rush to this website and study the device! Sounds like a
> Wallace & Gromit gizmo �Film-O-Sync� - maybe it can also sync a
> toaster and vacuum cleaner :-)
> -----Original Message-----
> >From: Todd Eacrett <email suppressed>
> >Sent: Feb 2, 2009 11:28 PM
> >To: email suppressed
> >Subject: Re: syncing sound on super-16mm
> >Last spring, Zach Poff posted here about a free application he
> wrote called Film-O-Sync, available at...
> >Basically you modify a projector to output a tachometer signal.
> The Film-O-Sync software (running on a Mac computer) slaves to the
> tach signal and plays an AIFF or WAV file in sync.
> >Haven't tried it yet, but it seems like a simple and elegant
> solution. Kind of like shooting with pilot sync. Nothing needs to
> be crystal or mains synced -- the software makes the audio adjust
> to the speed variations of the projector.
> >(Or you could "sync" two projectors by running both from a single
> motor -- one S16 for picture, the other R16 for optical sound.)
> >Good luck,
> >Todd Eacrett
> >Victoria, BC, Canada
> >----- Original Message -----
> >From: marco poloni <email suppressed>
> >Date: Monday, February 2, 2009 8:25 am
> >Subject: syncing sound on super-16mm
> >> Dear Frameworkers,
> >> I am embarking on a technical endeavour which consists of
> >> attempting to sync super-16mm film with sound at the projection
> >> stage. As you well know S-16mm is a camera film. It has no space
> >> for an optical track between the image frames and the sprocket
> >> holes. I contacted Martin Sawyer in London, who did a good
> >> of research in adding a very fine optical track. He got good
> >> results, but said it was very difficult to find labs that would
> >> process this footage. If I am not mistaken, he abandoned this.
> >> I'd like to attempt exploring another route. The idea is first
> >> modify an existing 16m projector by widening the gate's aperture
> >> the �W�type gate of S-16mm. That's the not-too-difficult part.
> >> Second, I would have to find someone to crystal-sync the motor
> >> an external "master" device that will also pilot the sound of a
> >> MP3 or solid state player to ensure perfect sync.
> >> I have done quite some research and have some very technical
> >> questions. I am writing in the hope that someone might provide
> >> feedback.
> >> 1. It seems that syncing DC motors is fairly easy, whereas
> >> AC motors would be difficult and costly. A friend recommends
> >> a Bauer P8 projector which uses a DC motor. I am a big fan of
> >> Eiki's and am not ready to swap brands. I was wondering if
> >> knows whether their drive motors are AC or DC?
> >> 2. More specifically, should this be feasible with an Eiki, does
> >> anyone have a scanned service manual for an Eiki EX-300SL (or EX-
> >> 2000)with the electric circuitry? (350W xenon lamp)
> >> 3. I have been looking for an Eiki EX-300SL through the usual
> >> channels (ebay, ...). It is very difficult to find... Much
> >> than the more common SSL's. Does anyone know of a place that
> >> have a couple for sale?
> >> Thanks a lot beforehand for your input!
> >> Best,
> >> Marco
> >> ------------------------------------------------
> >> Marco Poloni, Kors�rer Strasse 1, D-10437 Berlin
> >> gsm +41.78.6322028, skype marcopoloni
> >> __________________________________________________________________
> >> For info on FrameWorks, contact Pip Chodorov at <email suppressed>.
> >For info on FrameWorks, contact Pip Chodorov at <email suppressed>.
> Marco Poloni, Kors�rer Strasse 1, D-10437 Berlin
> gsm +41.78.6322028, skype marcopoloni
> For info on FrameWorks, contact Pip Chodorov at <email suppressed>.
For info on FrameWorks, contact Pip Chodorov at <email suppressed>.