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Sound Track
by J. G. Jackson
A Proposed Standard for Studios and Theatres
Bv B. A. Nixon
1. A Standard (Squeeze) 2 to 1 Image for 35mm Print (.96S"x.895").
2. A Standard Image Height of 5 Sprocket Holes Per Frame (35mm and 70mm).
3. A Standard Magnetic Sound Reproduction and Speed 22-1/2" Per Second (35mm and 70mm).
4. A Standard Screen Ratio — 2.12 to 1 (35mm and 70mm).
I he attenti\e proposal would result in practical advantages for the in<lu?tr\. Also mindful of a minimum expenditure in time and financial outlas to am one phase of the industry; initiator) <>r other\\i»<
I he dimensions of the drawing i~ ol close proximitj and feasible as to the intention for the described standards numbered 1 to 1. The necessar\ exact measurement? would natural!) be at the discretion of the Societv of Motion Picture and Tele\ ision Knjnneers.
I he implication of a 20' < increase in 35mm film stock required for final prints ma\ appear startling; hut the aihantages and elimination of man\ COStlj and time-consuming existing processes, would more than offset this increase: such as eliminating of various ratios, which in a majority of existing prints is a stock wasting and time-consuming process.
Elimination of the antiquated optical track and its main time-consuming processes.
Having a unified speed in all magnetic prints 1 35mm and 70mm i eliminates varied processes also.
The image aperture I .%8" to .895" J being identical height of 70mm .895", it eliminates man\ problems such as sound transfering to print: printing down from 70 to 35mm, nr vice \ersa: sets a uniform height for theatre screen and elimin
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2 to 1 Squeeze Image .968" x .895" — Screen Ratio 2.12 to 1 International Projections March. 1965
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