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A Digital Signal Processing System for Automatic Dialogue Post-Synchronization

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A digital signal processing system has been developed to eliminate the time consuming and repetitive nature of film and video dialogue post-synchronization. The system computes the relative timing differences between the studio dialogue and the original guide-track recording and uses this information to automatically edit a digitally stored version of the studio dialogue. The result is a high quality recording accurately in synchronism with the original location recording. The system is extremely rugged and accommodates most disrupting influences such as noisy guide-tracks, other voices and differing pronunciations. Initial experiments also indicate its applicability to foreign language dubbing.

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