136 results about "Octave band" patented technology

An octave band is a frequency band that spans one octave (Play ). In this context an octave can be a factor of 2 or a factor of 10⁰·³. 2/1 = 1200 cents ≈ 10⁰·³⁰¹. Fractional octave bands such as ¹⁄₃ or ¹⁄₁₂ of an octave are widely used in engineering acoustics.