Analogue audio – groove carriers | Obsolesence |
---|---|
Cylinders (replicated wax or moulded) 1876 – 1929 | Obsolete |
Cylinders (instantaneous / dictaphone) 1876 – 1950s | Obsolete |
Coarse groove disc (78 rpm and similar) 1888 – c.1960 | Obsolete |
Transcription disc (pressed) 1930s – 1950s | Obsolete |
Instantaneous lacquer disc 1930s – 1960s | Obsolete |
LP (long playing) microgroove 1950s – present | Soon to be Obsolete |
Metal Part | Obsolete |
Analogue audio – magnetic carriers | Obsolesence |
---|---|
Wire 1930s – late 1950s | Obsolete |
Magnetic tape reel-to-reel 1935 – present | Obsolete |
Talking Book Metal Cartridge | Obsolete |
Cartridge 1960 – present | Obsolete |
Compact cassette 1960s – present | Just Finished < 2 years |
Beta PCM and Hi-Fi Audio | Obsolete |
VHS Half Speed Longitudinal Audio | Just Finished < 2 years |
1/2” Beta Domestic High Fidelity Audio | Obsolete |
Digital audio & analogue – magnetic – tape carriers | Obsolesence |
---|---|
VHS PCM and Hi-Fi Audio | Just Finished < 2 years |
Digital audio – tape carriers | Obsolesence |
---|---|
Digital 8 track audio (S-VHS) | Obsolete |
Digital Compact Cassette | Obsolete |
Beta PCM Audio Only | Obsolete |
VHS PCM Audio Only | Just Finished < 2 years |
U-matic Audio Only (1630 or 1610) 1979-80 – present | Just Finished < 2 years |
Digital 8 track audio (Hi-8) | Just Finished < 2 years |
DAT Digital Audio Cassette 1980 – present | Just Finished < 2 years |
Digital audio – disc carriers | Obsolesence |
---|---|
Bernoulli Box – 20Mb flexible disk cartridge | Obsolete |
Compact disc (CD)1980 – present | Current |
Compact disc recordable (CDR) 1980 – present | Current |
Super Audio CD (SACD) 1999 - present | Current |
Magneto-Optical-Disk (MOD) | Obsolete |
Mini Discs (MD) – present | Current |
Digital audio – other | Obsolesence |
---|---|
Piano roll (88 note) 1902 – present | Declining |
References
Edmondson, Ray., 2004,Audiovisual Archiving: Philosophy and Principles, United Nations Educational, Scientific and Cultural Organization, Paris. p. 73, with additions by the NFSA.