librosa.core.octs_to_hz¶
- librosa.core.octs_to_hz(octs, A440=440.0)¶
Convert octaves numbers to frequencies.
Octaves are counted relative to A.
Parameters: octaves : np.ndarray [shape=(n,)] or float
octave number for each frequency
A440 : float
frequency of A440
Returns: frequencies : np.ndarray [shape=(n,)]
scalar or vector of frequencies
See also
Examples
>>> librosa.octs_to_hz(1) array([ 55.]) >>> librosa.octs_to_hz([-2, -1, 0, 1, 2]) array([ 6.875, 13.75 , 27.5 , 55. , 110. ])