EssEQ by Voxengo 7-band graphic equalizer. Armadillo Sofware for real time analysis of musical sounds for Power Macintosh with 16 bit sound.

Software Music Machine Archive. The frequency analysis can be fine tuned in details: Another factor is, AAMS repeats the quality.

Blittr by ArcDev Noise Industries bufferoverride. Loaded with many user-friendly features, CommView combines performance and flexibility with an ease of use unmatched in the industry.