Digital Linear Tape definition storage
(DLT) A kind of magnetic tape
drive originally developed by DEC
and now marketed by Quantum
DLT drives implement the Digital Lempel Ziv 1
(DLZ1) compression algorithm
in a combination of hardware
. They use a popular chip by Stac
(now hi/fn) to do the string searching. Counting, sorting and Huffman coding
are done in firmware (with hardware support for the Huffman algorithm?).
In April 1997 DLT drives can transfer 5 megabytes
per second and can store 35 gigabytes
on a single cartridge. Compression might roughly double these figures.