Cosmo Welfare

sound research & evolution

1 Hz - c - chromatic


Tone Frequency
Hz
Interval
reference
Ratio Interval
C-1 8      
C0 16      
A0 26,67 C0 16 Hz 5/3 27/16 major sixth
Bb0 28,8 C0 16 Hz 9/5 16/9 minor seventh
B0 30 C0 16 Hz 15/8 major seventh
C1 32 C1 32 Hz 1/1 prime
Db1 34,13 C1 32 Hz 16/15 minor second
D1 36 C1 32 Hz 9/8 major second
ES1 38,4 C1 32 Hz 6/5 minor third
E1 40 C1 32 Hz 5/4 major third
F1 42,67 C1 32 Hz 4/3 perfect fourth
Gb1 45 C1 32 Hz 45/32 augmented fourth
G1 48 C1 32 Hz 3/2 perfect fifth
Ab1 51,2 C1 32 Hz 8/5 minor sixth
A1 53,33 C1 32 Hz 5/3 major sixth
Bb1 57,6 C1 32 Hz 9/5 minor seventh
B1 60 C1 32 Hz 15/8 major seventh
C2 64 C2 64 Hz 1/1 prime
Db2 68,27 C2 64 Hz 16/15 minor second
D2 72 C2 64 Hz 9/8 major second
ES2 76,8 C2 64 Hz 6/5 minor third
E2 80 C2 64 Hz 5/4 major third
F2 85,33 C2 64 Hz 4/3 perfect fourth
Gb2 90 C2 64 Hz 45/32 augmented fourth
G2 96 C2 64 Hz 3/2 perfect fifth
Ab2 102,4 C2 64 Hz 8/5 minor sixth
A2 106,67 C2 64 Hz 5/3 major sixth
Bb2 115,2 C2 64 Hz 9/5 minor seventh
B2 120 C2 64 Hz 15/8 major seventh
C3 128 C3 128 Hz 1/1 prime
Db3 136,54 C3 128 Hz 16/15 minor second
D3 144 C3 128 Hz  9/8 major second
ES3 153,6 C3 128 Hz 6/5 minor third
E3 160 C3 128 Hz 5/4 major third
F3 170,67 C3 128 Hz 4/3 perfect fourth
Gb3 180 C3 128 Hz 45/32 augmented fourth
G3 192 C3 128 Hz 3/2 perfect fifth
Ab3 204,8 C3 128 Hz 8/5 minor sixth
A3 213,33 C3 128 Hz 5/3 major sixth
Bb3 230,4 C3 128 Hz 9/5 minor seventh
B3 240 C3 128 Hz 15/8 major seventh
C4 256 C4 256 Hz  1/1 prime
Db4 273,07 C4 256 Hz 16/15 minor second
D4 288 C4 256 Hz 9/8 major second
ES4 307,2 C4 256 Hz 6/5 minor third
E4 320 C4 256 Hz 5/4 major third
F4 341,33 C4 256 Hz 4/3 perfect fourth
Gb4 360 C4 256 Hz 45/32 augmented fourth
G4 384 C4 256 Hz 3/2 perfect fifth
Ab4 409,6 C4 256 Hz 8/5 minor sixth
A4 426,67 C4 256 Hz 5/3 major sixth
Bb4 460,8 C4 256 Hz 9/5 minor seventh
B4 480 C4 256 Hz 15/8 major seventh
C5 512 C5 512 Hz 1/1 prime
Db5 546,13 C5 512 Hz 16/15 minor second
D5 576 C5 512 Hz 9/8 major second
ES5 614,4 C5 512 Hz 6/5 minor third
E5 640 C5 512 Hz 5/4 major third
F5 682,67 C5 512 Hz 4/3 perfect fourth
Gb5 720 C5 512 Hz 45/32 augmented fourth
G5 768 C5 512 Hz 3/2 perfect fifth
Ab5 819,2 C5 512 Hz 8/5 minor sixth
A5 853,33
C5 512 Hz 5/3 major sixth
Bb5 921,6 C5 512 Hz 9/5 minor seventh
B5 960 C5 512 Hz 15/8 major seventh
C6 1024 C6 1024 Hz 1/1 prime
Db6 1092,27 C6 1024 Hz 16/15 minor second
D6 1152 C6 1024 Hz 9/8 major second
ES6 1228,8 C6 1024 Hz 6/5 minor third
E6 1280 C5 1024 Hz 5/4 major third
F6 1365,33 C5 1024 Hz 4/3 perfect fourth
Gb6 1440 C6 1024 Hz 45/32 augmented fourth
G6 1536 C5 1024 Hz 3/2 perfect fifth
Ab6 1638,4 C6 1024 Hz 8/5 minor sixth
A6 1706,67
C5 1024 Hz 5/3 major sixth
Bb6 1843,2 C6 1024 Hz 9/5 minor seventh
B6 1920 C5 1024 Hz 15/8 major seventh
C7 2048 C6 2048 Hz 1/1 prime
Db7 2184,53 C6 2048 Hz 16/15 minor second
D7 2304 C6 2048 Hz 9/8 major second
ES7 2457,6 C6 2048 Hz 6/5 minor third
E7 2560 C6 2048 Hz 5/4 major third
F7 2730,67 C6 2048 Hz 4/3 perfect fourth
Gb7 2880 C6 2048 Hz 45/32 augmented fourth
G7 3072 C6 2048 Hz 3/2 perfect fifth
Ab7 3272,8 C6 2048 Hz 8/5 minor sixth
A7 3413,33 C6 2048 Hz 5/3 major sixth
Bb7 3686,4 C6 2048 Hz 9/5 minor seventh
B7 3840 C6 2048 Hz 15/8 major seventh
C8 4096 C7 4096 Hz 1/1 prime

Wolf Interval = D/A