The Beatles: Get Back, Peter Jackson’s documentary about the making of the album Let It Be and the band’s final public performance, on the rooftop of their Savile Row office, would have been impossible without custom-made artificial intelligence, say sound engineers who worked on the film.
Sixty hours of footage were recorded during the short period in 1969, but most of the audio was captured by a microphone that picked up the musicians’ instruments in a noisy jumble rather than a carefully crafted mix. It also recorded background noise and chatter, which made much of the footage unusable.
“It was …