• RalphWolf@lemmy.world
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    2 months ago

    And, they were analog!

    CDs, DVDs, and of course BluRays are digital, but laserdisc was analog.

      • sep@lemmy.world
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        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.