Avid Technology Limited

Patrick D O'Connor

Eric C Peters

Michael Eric Phillips

Joseph H Rice

Curt A Rawley

Stephen J Reber

Paul D Garmon

Robert A Gonsalves

Robert A Gonzalves

A system for generating a digital representation of a video signal comprised of a sequence of video frames which each include two video fields of a duration such that the video plays at a first prespecified rate of frames per second. The sequence of video frames includes a prespecified number of redundant video fields. Redundant video fields in the video frame sequence are identified by a video processor, and the video frame sequence is digitized by an analog to digital convertor, excluding the identified redundant video fields. The digitized video frames are then compressed by a video compressor to generate a digital representation of the video signal which plays at a second prespecified rate of frames per second.

Electronic film editing system using both film and videotape format

A method of synchronizing digitized audio information and digitized picture information establishes a reference time base based on timecodes included with the audio and picture information. The reference time base may be used to synchronize output between a digitized source and one which may be digitized or undigitized.

Synchronization of multiple media streams

Media composer for editing source material. The media composer includes apparatus for receiving digitizing, storing and editing video and audio source material. Computing apparatus manipulates the stored source material and output apparatus communicates with the computing apparatus to display the manipulated material and control information. The computing apparatus includes JPEG compression techniques and is programmed to provide enhanced editing features.

Media composition system with media consolidation

Media composition system with enhanced user interface features

Synchronization of digital video with digital audio

Media composer with adjustable source material compression

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Framingham, MA, United States of America

Patrick D O'Connor