The answer lies in the difference between analog and digital recordings.
Lp record vs vinyl.
33 45 and 78 rotations per minute rpm.
The difference in vinyl record speeds 33 45 and 78 records 33 45 78.
Vinyl records typically come in three speeds.
An lp is the largest of the lot.
Take a look at the graph below.
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An lp is specifically a 33 1 3 rpm vinyl record.
A vinyl can be used to describe a 45 rpm a 78 rpm or a 33 1 3 rpm record.
You may think are these related to the magical numbers from lost.
Original sound is analog by definition.
A vinyl record is an analog recording and cds and dvds are digital recordings.
These could consist of two vinyl lps in a single 2 lp box or one double sided lp 45s are seven inches across and spin at 45 rotations per minute on your record player.
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The lp was soon confronted by the 45 a 7 inch 180 mm diameter fine grooved vinyl record playing at 45 rpm.
They only have five minutes of playing time per side at most so they are usually used for singles.
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If you are a new comer to vinyl you may wonder what these numbers actually mean.
33 1 3 rpm 45 rpm and 78 rpm.
Vinyl records are produced to be played at one of three speeds.
To compete with the lp boxed albums of 45s were issued along with ep extended play 45s which squeezed two or even three selections onto each side.
The standard vinyl album is the 12 inch 33 rpm lp 7 inch 33 rpm ep and 7 inch 45 rpm single.
You will almost never deal with 78 rpm records so don t worry about that.
Vinyl is an analog storage medium which means there is a physical record of the music imprinted on the vinyl disc read by a sensitive needle called a stylus.