features.py 文件源码

def __init__(self, tex_wnd, fft_len=512, sr=22050):
        self.tex_wnd = tex_wnd
        self.an_wnd_len = fft_len
        self.sr = sr

        # calc signal spectrum
        self.fft_tex_wnds = np.abs(
            librosa.stft(
                y=tex_wnd,
                n_fft=fft_len,
                hop_length=fft_len,
            )
        )