Pioneer

Digital audio cassette formats introduced to the audio professionals and consumer markets: more...

• Digital Audio Tape known more commonly as just DAT which had some success as a audio storage format among professionals before the prices of hard drives dropped and the capacities soared in the late 1990s. Hard drive recording has obsoleted DAT as hard drives as random access devices offer editing versatility way beyond what can be achieved with tape
• Digital Compact Cassette which received very little attention or adaptation.

Digital video cassettes include

• DV
• MiniDV (smaller form factor) - The industry standard
• Digital8

Analog audio cassettes used as digital data storage:

• Historically also the Compact audio cassette which was originally designed for analog storage of music was adapted to work as a cheaper alternative to disk drives in the late 1970s and early 1980s to provide digital storage for home computers.

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