Eight-to-fourteen modulation

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Notion

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Science and technology

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What Wikipedia says

Eight-to-fourteen modulation (EFM) is a data encoding technique – formally, a line code – used by compact discs (CD), laserdiscs (LD) and pre-Hi-MD MiniDiscs. EFMPlus is a related code, used in DVDs and Super Audio CDs (SACDs).

Excerpt from the Wikipedia article “Eight-to-fourteen modulation”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Ehuang, Public domain, via Wikimedia Commons.