Audio
- Phonautograph
- Tinfoil phonograph
- Gramophone disc
- Phonographic cylinder
- Wire recording
- Sound on film
- Open reel tape
- Tefifon
- Dictabelt
- Microgroove disc
- Minifon wire
- Fidelipac
- Stenorette
- Sound Tape Cartridge
- Minifon tape
- Stereo-Pak
- 8-track
- Compact Cassette
- Micro Pack 35
- Sabamobil
- DC-International
- PlayTape
- Mini-Cassette
- Microcassette
- HIPAC
- 3/4" U-matic
- Elcaset
- Laserdisc
- Compact disc
- DAT
- Pocket Rockers
- ADAT
- DCC
- Minidisc
- DTRS
- Digital audio player
- HitClips