Spectrum Ananlyzer pro 4.5      

K-System (K-20, K-14, K-12) by Bob Katz , Level Meter norm > DIN45406, Level Meter norm > Nordic N9, # Level Meter norm > BBC PPM, Level Meter norm > EBU PPM, Integration time from none up to 300ms, Referenz Level 0 dBFS and -18 dBFS, Note detector, dBFS and RMS Peak Level Meter, Weighting filters dB(A), dB(B) and dB(C), 1/3, 1/6, 1/12, 1/24 Octave displaying of the Spectrum, Zoom function, where you can select 4 frequency ranges....