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Negative Creep@calexander.bsky.social |
So I had to look this up, but basically: The laser is optically reads encoded information and translating that information into an audio/visual signal. Although there are similarities to the way the info is stored, CD/DVD/etc reads binary information whereas LD reads variable information.
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Negative Creep
@calexander.bsky.social
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Sorry I garbled the tenses in that skeet; vote C Alexander. Because the information varies by length and pits and stuff the translation is via Variable Frequency Modulation (a la radio) rather than DA/VC which is like “okay I read 0101111001, that’s one pixel of red.” Tremendous engineering feats.
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