get_bark_band_indexes# Roughness.get_bark_band_indexes()# Get Bark band indexes. This method gets the Bark band indexes used for the roughness calculation as a NumPy array. Returns: : numpy.ndarrayArray of Bark band idexes. Return type: Union[Buffer, _SupportsArray[dtype[Any]], _NestedSequence[_SupportsArray[dtype[Any]]], bool, int, float, complex, str, bytes, _NestedSequence[Union[bool, int, float, complex, str, bytes]]]