IEC 61937-4 pdf download Digital audio – Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 Part 4: Non-linear PCM bitstreams according to the MPEG audio format 1 Scope This part of IEC 61 937 specifies the method for the digital audio interface specified in IEC 60958 to convey non-linear PCM bitstreams encoded in accordance with the MPEG audio....