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If I’m not mistaken, it also doesn’t work with LaserDiscs… it works only with CEDs.

The title is a bit misleading. LaserDiscs are digital but CEDs are analog.

Very different technologies.

I was under the impression that laserdisc encoded the video signal in analog. Some (all?) audio tracks were digital/pcm, however.

LaserDiscs are not quite a digital medium. The video is an FM analog signal (composite). Digital PCM audio was introduced about half a decade into the format's life.

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