that must be on disk due to Librosa limitation.   raw_audio (np.ndarray) —
The raw audio file as a NumPy array.    Load audio.  set_resolution  < source > ( x_res: int y_res: int  )   Parameters   x_res (int) —
x resolution of spectrogram (time).   y_res (int) —
y resolution of spectrogram (frequency bins).    Set resolution.
