Optical-Acoustic Spectrum Mapper

```html Optical-Acoustic Spectrum Mapper

Mapping continuous light wavelength (nm) onto the 12-tone musical chromatic octave

Wavelength 700.0 nm

Optical Freq 428.3 THz

Musical Note C (The Root)

Interval Ratio 1.000 (0 Cents)

Root Offset (Pitch Calibration)

Root C Benchmark:

```