[1] This work led to RCA's Caruso-A Legendary Performer that applied Stockham's restoration techniques to acoustic recordings of opera great Enrico Caruso.
Ingebretsen worked with Pixar co-founder Ed Catmull in 1972 to produce one of the first digital films, a 20-second portrait of a human hand.
Ingebretsen commuted from Utah to Los Angeles, where he supervised the new digital recording for the 1982 re-release of Disney’s Fantasia.
Soundstream dissolved in 1985 and Ingebretsen spent the next 15 years in near anonymity in Salt Lake City, founding a series of small high-tech companies.
In 1999 Stockham and Ingebretsen received a Scientific and Engineering Award from the Academy of Motion Picture Arts and Sciences for their pioneering work in digital audio editing.