ProDigital (PD)

 (1) A digital audio format used in stationary-head multitrack digital tape recorders. In competition with the DASH format, ProDigital (also called ProDigi) supports two formats: 1/4″ 8-channel audio tape and 1″ 32-channel audio tape, with various sampling rates, and allows editing of digital tapes by mechanical splicing and punch-in recording.

(2) A parallelmaster clock format for up to 32 channels of 16-bit audio. Also called Melco. There are three versions of Melco/ProDigital: Dub-A, Dub-B, and Dub-C.