Junger D*AP4 LM Edition - 4-Channel Broadcast Audio ProcessorThe D*AP4 LM audio processor provides automatic and adaptive loudness management compliant with all current broadcast audio loudness recommendations including ITU R BS. 1770 standards (1, 2 and 3) as well as recommended practices ATSC A 85 (2011 2013), ARIB TR B32, Free TV OP 59, Portaria 354 and EBU R128. The D*AP4 LM audio processor features loudness control plus dynamic range processing and true peak limiting for up to four channels of audio (2x2.