äänilevyformaattinsa
Äänilevyformaattinsa refers to the various physical and digital formats used to store and play back audio recordings. Historically, the earliest prominent format was the phonograph cylinder, a wax or celluloid cylinder inscribed with sound grooves. This was largely superseded by the gramophone record, commonly known as a vinyl record. Vinyl records came in several speeds, including 78 rpm (revolutions per minute) for singles, and later 33⅓ rpm (LP - Long Play) and 45 rpm for extended play and singles, respectively. These records store analog audio information as physical undulations in a groove.
The mid-20th century saw the introduction of magnetic tape formats. Reel-to-reel tapes were used for professional
In the late 20th and early 21st centuries, digital audio files became dominant. Formats like MP3 (MPEG-1