pyrubberband.pyrb.pitch_shift

pyrubberband.pyrb.pitch_shift(y, sr, n_steps, rbargs=None)

Apply a pitch shift to an audio time series.

Parameters:

y : np.ndarray [shape=(n,) or (2, n)]

Audio time series, either mono or stereo

sr : int > 0

Sampling rate of y

n_steps : float

Shift by n_steps semitones.

rbargs

Additional keyword parameters for rubberband

See rubberband -h for details.

Returns:

y_shift : np.ndarray

Pitch-shifted audio