In what year did the THX Sound System officially begin as a project within Lucasfilm?

Answer

1983

The official commencement of the THX standard occurred in the year 1983. This marked the beginning of the project while it was still situated internally within Lucasfilm. This initial phase saw the establishment of the rigorous acoustic requirements aimed squarely at commercial cinema installations. Furthermore, this launch year coincides with the release of the film *Return of the Jedi*, which served as a crucial early proof point demonstrating that both exhibitors and consumers recognized the value of this authenticated level of audio performance in movie presentations.

In what year did the THX Sound System officially begin as a project within Lucasfilm?
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