Film-O-Sync - Free application for your Mac to help you synchronize digital sound to 16mm projection
Version: 0.5Film-O-Sync is a free application for your Mac to help you synchronize digital sound to 16mm projection. Film-O-Sync requires modification to the projector, so an instructable to describe the process is also available.
Operating System: Mac OS X
The modified projector feeds a tachometer signal to the computer, which plays the sound file in sync with the picture.