Abstract

Major motion pictures have been produced predominately on 35mm film having a four-perforation frame at 24 frames/sec for over 50 years. Recently proposed changes to 30 frames/sec or three-perforation frames appear to provide improved quality or reduced cost. The practical means of converting camera, projection, and telecine equipment to these proposed formats is discussed. The effects on image quality, audio reproduction, and motion rendition, as related to both theatrical projection and worldwide television release, are also reviewed.

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