1)   Spectrum Ananlyzer pro 4.5 4.5
This sophisticated piece of software turns your computer into a modern, State-of-The-Art spectrum analyzer giving you features that go far beyond the possibilities of any stand-alone hardware unit.
RMS Peak Level Meter 1/3, 1/6, 1/12, 1/24 Octave Zoom function K-System (K-20, K-14, K-12) by Bob Katz,