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from typing import NamedTuple
import numpy
class Wave(NamedTuple):
wave: numpy.ndarray
sampling_rate: int
class AcousticFeature(NamedTuple):
f0: numpy.ndarray
spectrogram: numpy.ndarray
aperiodicity: numpy.ndarray
mfcc: numpy.ndarray
def astype(self, dtype):
return AcousticFeature(
f0=self.f0.astype(dtype),
spectrogram=self.spectrogram.astype(dtype),
aperiodicity=self.aperiodicity.astype(dtype),
mfcc=self.mfcc.astype(dtype),
)
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