Complex sentence: Dolby Stereo (or Dolby Analog) was the original analog optical technology developed by Dolby Laboratories for 35 mm film prints in 1976, and first used on the movie "Logan's Run".
Split into simpler sentences: Dolby Stereo (or Dolby Analog) was the original analog optical technology developed by Dolby Laboratories for 35 mm film prints in 1976. The Dolby mix was first used on the movie "Logan's Run".