Just Intonation

12 Scales – Natural Tuning

Hz	Oktaves												Scale	Concert Pitch A4
			C-1	C0	C1	C2	C3	C4	C5	C6	C7	C8
1	2	4	8	16	32	64	128	256	512	1024	2048	4096	C	426,67 Hz
			Db-1	Db0	Db1	Db2	Db3	Db4	Db5	Db6	Db7	Db8
1,0625	2,125	4,25	8,5	17	34	68	136	272	544	1088	2176	4352	Db	435,2 Hz
			D-1	D0	D1	D2	D3	D4	D5	D6	D7	D8
1,125	2,25	4,5	9	18	36	72	144	288	576	1152	2304	4608	D	432 Hz
			Eb-1	Eb0	Eb1	Eb2	Eb3	Eb4	Eb5	Eb6	Eb7	Eb8
1,1875	2,375	4,75	9,5	19	38	76	152	304	608	1216	2432	4864	Eb	427,5 Hz
			E-1	E0	E1	E2	E3	E4	E5	E6	E7	E8
1,25	2,5	5	10	20	40	80	160	320	640	1280	2560	5120	E	426,67 Hz
			F-1	F0	F1	F2	F3	F4	F5	F6	F7	F8
1,375	2,75	5,5	11	22	44	88	176	352	704	1408	2816	5632	F	440 Hz
			F#-1	F#0	F#1	F#2	F#3	F#4	F#5	F#6	F#7	F#8
1,40625	2,8125	5,625	11,25	22,5	45	90	180	360	720	1440	2880	5760	Gb	432 Hz
			G-1	G0	G1	G2	G3	G4	G5	G6	G7	G8
1,5	3	6	12	24	48	96	192	384	768	1536	3072	6144	G	432 Hz
			Ab-1	Ab0	Ab1	Ab2	Ab3	Ab4	Ab5	Ab6	Ab7	Ab8
1,625	3,25	6,5	13	26	52	104	208	416	832	1664	3328	6656	Ab	443,73 Hz
			A-1	A0	A1	A2	A3	A4	A5	A6	A7	A8
1,6875	3,375	6,75	13,5	27	54	108	216	432	864	1728	3456	6912	A	432 Hz
			Bb-1	Bb0	Bb1	Bb2	Bb3	Bb4	Bb5	Bb6	Bb7	Bb8
1,75	3,5	7	14	28	56	112	224	448	896	1792	3584	7168	Bb	420 Hz
			B-1	B0	B1	B2	B3	B4	B5	B6	B7	B8
1,875	3,75	7,5	15	30	60	120	240	480	960	1920	3840	7680	B	432 Hz

all odd natural numbers are reference frequencies – 1-3-5-7-11-13-17-19……Hz

the root of the scale is called the reference frequency

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