From: marco poloni (email suppressed)
Date: Wed Feb 04 2009 - 07:36:32 PST
Thanks Todd, that's very helpful. I was really concerned about sound flutter with the method of enslaving a sound device to the projector's drive motor. m
-----Original Message-----
>From: Todd Eacrett <email suppressed>
>Sent: Feb 4, 2009 10:23 AM
>To: email suppressed
>Subject: Re: syncing sound on super-16mm
>
>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 :-)
>> Marco
>>
>> -----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...
>> >
>> >http://www.zachpoff.com/site/software/software.html
>> >
>> >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
>> amount
>> >> 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
>> to
>> >> modify an existing 16m projector by widening the gate's aperture
>> to
>> >> 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
>> via
>> >> an external "master" device that will also pilot the sound of a
>> CD,
>> >> 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
>> syncing
>> >> AC motors would be difficult and costly. A friend recommends
>> using
>> >> 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
>> anyone
>> >> 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
>> harder
>> >> than the more common SSL's. Does anyone know of a place that
>> could
>> >> 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>.
------------------------------------------------
Marco Poloni, Korsörer Strasse 1, D-10437 Berlin
gsm +41.78.6322028, skype marcopoloni
__________________________________________________________________
For info on FrameWorks, contact Pip Chodorov at <email suppressed>.