labeled_example.py 文件源码

def __init__(self,
                 audio_file: Path,
                 id: Optional[str] = None,
                 sample_rate_to_convert_to: int = 16000,
                 label: Optional[str] = "nolabel",
                 fourier_window_length: int = 512,
                 hop_length: int = 128,
                 mel_frequency_count: int = 128,
                 label_with_tags: str = None,
                 positional_label: Optional[PositionalLabel] = None):
        # The default values for hop_length and fourier_window_length are powers of 2 near the values specified in the wave2letter paper.

        if id is None:
            id = name_without_extension(audio_file)

        self.audio_file = audio_file

        super().__init__(
            id=id, get_raw_audio=lambda: librosa.load(str(self.audio_file), sr=self.sample_rate)[0],
            label=label, sample_rate=sample_rate_to_convert_to,
            fourier_window_length=fourier_window_length, hop_length=hop_length, mel_frequency_count=mel_frequency_count,
            label_with_tags=label_with_tags, positional_label=positional_label)