Home > Term: one-third octave
one-third octave
The bandwidth of a filter that comprises a frequency range of a factor of 21/3. (That is, f2 =21/3 f1 as defined in IEC 61260. ) The octave filter can be subdivided into three 1⁄3 octave-bands.
- Part of Speech: noun
- Industry/Domain: Fire safety
- Category: Prevention & protection
- Company: NFPA
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Creator
- nomura
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