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2. Vinyl data - Wikipedia

   en.wikipedia.org/wiki/Vinyl_data

   Vinyl data is the use of vinyl discs to store sequenced/encoded data rather than for simple analog recordings.This alternate use of the storage medium enabled the code of full motion videos (FMVs) and even simple video games to be stored in an analog format along with the soundtrack and sound effects.

3. LP record - Wikipedia

   en.wikipedia.org/wiki/LP_record

   The LP (from long playing [2] or long play) is an analog sound storage medium, specifically a phonograph record format characterized by: a speed of 33 + 1 ⁄ 3 rpm; a 12- or 10-inch (30- or 25-cm) diameter; use of the "microgroove" groove specification; and a vinyl (a copolymer of vinyl chloride acetate) composition disk.

4. Conservation and restoration of vinyl discs - Wikipedia

   en.wikipedia.org/wiki/Conservation_and...

   Vinyl, acetate, and shellac discs being exposed to soil and fungus spores. Library of Congress Study, 1959. The conservation and restoration of vinyl discs refers to the preventive measures taken to defend against damage and slow degradation, and to maintain fidelity of singles, 12" singles, EP’s, and LP’s in 45 or 33⅓ rpm 10" disc ...

5. Phonograph record - Wikipedia

   en.wikipedia.org/wiki/Phonograph_record

   Three vinyl records of different formats, from left to right: a 12 inch LP, a 10 inch LP, a 7 inch single. A phonograph record (also known as a gramophone record, especially in British English) or a vinyl record (for later varieties only) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove ...

6. Timeline of audio formats - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_audio_formats

   An audio format is a medium for sound recording and reproduction.The term is applied to both the physical recording media and the recording formats of the audio content—in computer science it is often limited to the audio file format, but its wider use usually refers to the physical method used to store the data.

7. Record collecting - Wikipedia

   en.wikipedia.org/wiki/Record_collecting

   The introduction of both the 33 1 ⁄ 3 rpm, 12-inch LP record and the 45rpm, 7-inch record, coming into the market in 1948/1949, provided advances in both storage and quality. These records featured vinyl (polyvinyl chloride or polystyrene), replacing the previous shellac materials.