Alesis Digital Audio Tape or ADAT is a professional magnetic tape format used for the simultaneous digital recording of eight audio tracks at once, onto a Super VHS tape.
Developed by: Alesis
Used for: multitrack digital audio recording
Magnetic tape used: ½ inch S-VHS cassette
Number of tracks: 8. Multiple ADAT machines may be synchronized for a total of up to 128 tracks
Audio format: 44.1 and 48 kHz at 16 and 20 bits per sample
Other uses: to drive laser light shows.