digital audiotape 
(abbreviation DAT)
noun [mass noun]
Magnetic tape which is used to make digital sound recordings of very high quality.I used it to restore the entire directory from DAT (digital audiotape), which took about 20 minutes....
- Unitary currents were recorded using a RK - 300 patch-clamp amplifier with a 10 - G feedback resistance and stored on digital audiotape.
- There's a way of thinking about digital videotape in the same way that you would think about digital audiotape, and a lot of contemporary musicians will use distortion as a characteristic of the music they're making.