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vinyl records
n 1888 a gentlemen named Emile Berliner invented the flat disc record. These very first discs were produced of a vulcanised rubber and were between 12.5cm and 18cm in diameter. -
Audio cassette
he audio cassette, also called cassette tape, Compact Cassette, cassette, or simply tape, is a magnetic tape sound recording format. It was designed originally for dictation machines, but improvements in fidelity led the audio cassette to supplant the Stereo 8-track cartridge and reel-to-reel tape recording in most non-professional applications. -
8-track tape
The original format for magnetic tape sound reproduction was the reel-to-reel tape recorder, first available in the U.S. in the late 1940s but too expensive and bulky to be practical for amateur home use until well into the 1950s. Loading a reel of tape onto the machine and threading it through the various guides and rollers proved daunting to some casual users—certainly, it was more difficult than putting a vinyl record on a record player and flicking a switch—and because in early years each ta -
Compact Disc
The Compact Disc, or CD for short, is an optical disc used to store digital data. It was originally developed to store and play back sound recordings only, but the format was later adapted for storage of data (CD-ROM), write-once audio and data storage (CD-R), rewritable media (CD-RW), Video Compact Discs (VCD), Super Video Compact Discs (SVCD), PhotoCD, PictureCD, CD-i, and Enhanced CD. Audio CDs and audio CD players have been commercially available since October 1982. -
mp3
MPEG-1 or MPEG-2 Audio Layer III,[4] more commonly referred to as MP3, is a patented encoding format for digital audio which uses a form of lossy data compression. It is a common audio format for consumer audio storage, as well as a de facto standard of digital audio compression for the transfer and playback of music on most digital audio players.
