Third Dimension Movies And E X P A N D E D Screen (1953)

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THREE-DIMENSIONAL MOTION PICTURES 183 unprecedented sound reproduction to theater audiences. It is expected that the future will bring even more un usual effects and more realistic reproduction. PEC PEC PEC Simplified block diagram of the Fantasound reproducing equipment. WARNER'S "VITASOUND" Vitasound employs a control track, but only one sound track, and they are on the same film with the image. Others under consideration similarly have both sound control and sound pickup from the picture print, but use two sound tracks. These latter, as we shall see in a mo ment, provide "stereophonic" sound. Like these, "Vita- sound" has horn systems, one at either side of center speakers, but in Warner method all speakers of course