ZOO Digital's Innovation Team
ZOO Digital has developed new technology to identify dialog changes in different proxies of TV and movie content to speed up the dubbing and subtitling process. The version control technology, also known as Delta, automatically tracks dialog changes between different versions – removing the need for manual tracking, duplicated work and unnecessary delays.
In order to enable localised versions of a new TV show or feature film to be available for release in multiple countries simultaneously, content owners will often supply one or more preliminary versions of a title. This is so that localisation can begin before the edit has been finalised and means that each localised version will need to be amended to reflect changes in each of these preliminary releases.
Due to the difficulties in tracking changes applied during the post-production process, it is not always possible for content owners to provide an edit decision list (EDL) file that lists changes between versions of the video. When this is not available, localization providers must painstakingly compare different versions to identify dialog changes.
In a recent project that involved eight language dub streams and 30 subtitle streams, just one round of changes to the original language stream resulted in almost 1,200 affected events and over 13,000 affected words. When producing 38 language versions, with four more rounds of changes, this ended up involving around 2.5 million word changes in just one show. By automatically analysing and identifying the dialog changes between each successive proxy, Delta enables the differences to be determined accurately and reliably, removing unnecessary delays in the dubbing and subtitling process.
Delta is being used within ZOO’s cloud-based scripting service, which manages changes to localized TV and movie scripts. This removes the need for manually completing spreadsheets to track changes between script versions.
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