This part of IEC 61595 applies to 8 to 64 channel digital audio recording on 12,7 mm or 25,4 mm wide tape (hereafter called tape), with stationary heads, for professional use. It defines the mechanical and electrical characteristics necessary to ensure the interchangeability of programmes, recorded as digital audio signals on magnetic tape in professional industries.
IEC 61595-1:1997 history
1997IEC 61595-1:1997 Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use - Part 1: Format A