Calculate octave-band frequencies from upper and lower frequencies, or find the octave count and fractional band center, lower, and upper limits.
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Octaves from Frequency Formula
The following two example problems outline the steps and information needed to calculate the Octaves from Frequency.
O = log (Fu/Fl) / log (2)
Variables:
- #O is the Octaves from Frequency (number of octaves)
- Fu is the upper frequency (hz)
- Fl is the lower frequency (hz)
How to Calculate Octaves from Frequency?
The following steps outline how to calculate the Octaves from Frequency.
- First, determine the upper frequency (hz).
- Next, determine the lower frequency (hz).
- Next, gather the formula from above = #O = log (Fu/Fl) / log (2).
- Finally, calculate the Octaves from Frequency.
- After inserting the variables and calculating the result, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
upper frequency (hz) = 50
lower frequency (hz) = 30
#O = log (Fu/Fl) / log (2) = ?
