Table 1.

Possible scale tones used in stimulus creation (both equal tempered, in Hz).

#	Bohlen-pierce scale tones	Diatonic scale tones	Difference in cents
1	80	80	0
2	87.1	89.8	52.85
3	94.7	95.1	7.3
4	103.1	100.8	−39.06
5	112.2	106.8	−85.39
6	122.1	119.9	−31.48
7	132.8	134.5	22.02
8	144.5	151	76.18
9	157.3	160	29.46
10	171.2	179.6	82.93
11	186.3	190.3	36.78
12	202.7	201.6	−9.42
13	220.6	213.6	−55.83
14	240	239.7	−2.17

Equal tempered Bohlen-Pierce tones are about 146 cents apart from each other (ratio of ¹³√3), while equal tempered chromatic tones of a diatonic scale differ by 100 cents (¹²√2). The diatonic scale contained both major and minor thirds.