MusicianCV · TRMajor whole tone
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Tuning and pitch systems
Major whole tone · 9:8 → 320 × 9/8 = 360 Hz
Fix a reference frequency before comparing tunings. An octave doubles frequency. Convert a frequency ratio to cents with 1200 × log₂(ratio).
Example
Read the ratio alongside the worked calculation. · 9:8 / 320 × 9/8 = 360 Hz
Read the ratio alongside the worked calculation.9:8 320 × 9/8 = 360 Hz
Try it
How does a frequency difference differ from a ratio?
Answer
Moving the same interval to another pitch preserves the ratio. The difference in hertz can change.Related topics
Twelve-tone equal temperamentReferences
Frequency and Pitch of Sound
Subject-expert review pending.