### Possible Answer

What are Octave and Third Octave Band Filters on a Sound Level Meter? 4th ... The optimus sound level meters can provide both 1:1 and 1:3 octave band analysis of ... - read more

A band is said to be an octave in width when the upper band frequency is twice the lower band frequency. A one-third octave band is defined as a frequency band whose ... - read more

Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm. You can also submit an answer or search documents about what is octave band analysis.