Precise sound level ANALYSIS. Mic audio VISUALIZER. Various graphics and diagram types. Spectrum Analyzer is a precise sound level meter with multichannel harmonic analysis and detailed graphical representation. Spectrum Analyzer FEATURES: sound level meter. harmonic analyzer. adjustable graphics. Apple Watch support. SOUND LEVEL METER. precise acoustic noise measurer. HARMONIC ANALYZER. multichannel audio frequency analysis. graphical audio frequency representation. ADJUSTABLE GRAPHICS. various graphics and diagram types. zoom of selected chart areas.