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Topic: Sankyo stereo projectors
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Andrew Woodcock
Film God
Posts: 7477
From: Manchester Uk
Registered: Aug 2012
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posted December 03, 2015 09:35 AM
I think I read the original Jason. If the stripe was decent, all the dialogue and all but a few of the effects should still be heard from the main stripe.
The term balance stripe derives from the fact that when a second magnetic track was originally placed onto the sprocket hole side of the film as a concept, the idea wasn't to record upon it. It was just to keep the film even as it was spooled onto the reel, hence the term balance, as it balanced the thickness from one side to the other of the films width.
Obviously, as the film has a magnetic stripe originally only on one side of the film, it is thicker on one side of the film than the other until a similar thickness stripe was placed opposite.
It was only some time later that some bright spark came up with the idea that it could be utilised to give a second track and hence came about the birth of Stereo projectors and editors.
The balance stripe though incredibly small in width (0.4mm) did work very well indeed while ever pre striped stock was manufactured to the very high standards that it was.
Once pre striped stock was no longer available, companies were forced to stripe their own Polyester prints using a paste which varies drastically in thickness and consistency at times and therefore can, at times, result in very poor or non existent sound from the track.
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"C'mon Baggy..Get with the beat"
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