looks like there's a free ITU BS.1770 meter for PC:
Orban releases Loudness Meter software « Analogue/Digital
surround version will not be free.
download here:
Index of /meter
i will try this thing today if it's vst (but if somebody has a LM100 and a PC, a direct comparison would be good)
does anybody know anything about this company?
interesting doc about loudness controll with some history:
http://www.orban.com/support/orban/t...%20Picture.pdf