Musical interval
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Music
Frequency a
Hz (per s)
- FREQENCY -
kHz (per ms)
MHz (per µs)
GHz (per ns)
THz
per minute
per hour
per day
per week
per month
per year
--- PERIOD ---
ns
µs
ms
s
mins
hours
days
weeks
years
Frequency b
Hz (per s)
- FREQENCY -
kHz (per ms)
MHz (per µs)
GHz (per ns)
THz
per minute
per hour
per day
per week
per month
per year
--- PERIOD ---
ns
µs
ms
s
mins
hours
days
weeks
years
Ratio
:1
ppm
:2
:5
:10
% (:100)
:1 against
Interval
semitones
cents
quarter-tones
tones
perfect 5ths
octaves