Overtones count from the first frequency above f0, offset by one from harmonic numbering.
Evidence
An earlier term still used by many authors for referring to the components of a periodic waveform is “overtones.” The first overtone refers to the first frequency component that is “over” or above f0, which is the second harmonic. The second overtone is the third harmonic and so on. — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 790
Categorization
Category: Definitional Content
- DEFINE: Clarifies the offset relationship between overtone numbering and harmonic numbering, a frequent source of confusion.
Related
- Overtone numbering is offset one step behind harmonic numbering (similarity 0.97)
- The harmonic overtone series of strings is a lucky gift, not a fixable property (similarity 0.78)