Table 1 Pitch-scale intervals expressed in absolute number of semitones (∣αst∣) and as multiplying factors (α)
∣αst∣ | [0–4] | (4–7] | (7–12] | > 12 |
|---|---|---|---|---|
α<1 | [0.8–1) | [0.67–0.8) | [0.5–0.67) | < 0.5 |
α>1 | (1–1.26] | (1.26–1.50] | (1.50–2] | > 2 |
∣αst∣ | [0–4] | (4–7] | (7–12] | > 12 |
|---|---|---|---|---|
α<1 | [0.8–1) | [0.67–0.8) | [0.5–0.67) | < 0.5 |
α>1 | (1–1.26] | (1.26–1.50] | (1.50–2] | > 2 |