SWIT M-1072A is the right monitor for SDI/HDMI embedded audio loudness monitoring, follows ITU-R BS.1770-3 and EBU-R-128 standards. M-1072A can display 2 channels (ch-1&2) of SDI/HDMI embedded audio VU/PPM meters, and the SDI/HDMI realtime loudness meters. The VU/PPM meters are green, and will turn yellow when audio level exceeds -20dB, and will turn red when exceeds -9dB. The Loudness meter marked -26LKFS to -22LKFS as the target comfortable section, regulated by ITU and EBU standards.