[Frameworks] 16mm synchronizers with sound

[Jean-Louis Seguin]

Somewhere in my junk, I have some stand alone optical readers that you plug into a sqwawk box. I don't recall they were ever tested but you're welcome to have them.

Jean-Louis

Sent from my iPod



> On Jan 25, 2014, at 2:34 PM, Scott Dorsey <kludge at panix.com> wrote:
> 
> 1. No, as far as I know, nobody has made a synchronizer with an optical head.
>   Magnasync did make outboard optical heads that would plug into a squawk box
>   for editing; they did not have any flywheel.  I never saw one in real life,
>   only at trade shows.
> 
> 2. Yes, you can run the optical head out of a projector outside the projector.
>  Supply 4V to light the exciter lamp (a 5V power supply with two series 
>  diodes to drop the voltage is a common solution) and take the solar cell
>  output into a microphone preamp.  It will take about 40 dB to bring the
>  signal up to line level.
> 
> 3. In the seventies there were a lot of JAN projector soundheads available on
>  the surplus market.  I tried to make an editing device using one, but I found
>  that without the proper flywheel arrangement the flutter was so high that 
>  voices were almost unintelligible, and with the proper flywheel I could not
>  start and stop on a dime (as is needed for editing) without scratching the
>  hell out of the film.
> 
> 4. If you have a synchronizer, why do you need optical sound anyway?  Just take
>  your optical track, dub it to fullcoat, and run it in parallel with the other
>  stuff.  The miracle of mag is that it's easy to put anything you want on it
>  any time.
> --scott
> 
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