How do vinyl records and record players work?

Vinyl record grooves (photo by Roomic Cube - CC-BY)Vinyl records fell out of use following the introduction of Compact Discs. However, they are still made in limited numbers, as are record players. A vinyl record contains a long spiral groove on each side. The sound is encoded into this groove by “wiggling” the groove from side to side in proportion to the sound [more…]

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