DIN EN 61937-7:2023-12
Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 7: Non-linear PCM bitstreams according to the ATRAC, ATRAC2/3 and ATRAC-X formats (IEC 61937-7:2004 + A1:2016); German version EN 61937-7:2005 + A1:2016