TIL TIL: LaserDiscs were first marketed and sold in 1978 — and they were originally called DiscoVision! - eviltoast
    • sep@lemmy.world
      link
      fedilink
      English
      arrow-up
      12
      ·
      2 months ago

      Laserdisc had 4 audio tracks 2 digital and 2 analog. The digital tracks was what later became the cd. The analog tracks was often used by audio commentary along the movie and such.