| Name | Shape | Description |
|---|---|---|
input_features | (batch, T, 80) | Kaldi fbank features (T is dynamic) |
embedding | (batch, 256) | Speaker embedding vector |
kaldi.fbank(wav * 32768, num_mel_bins=80, frame_length=25, frame_shift=10, round_to_power_of_two=True, window_type="hamming", use_energy=False, snip_edges=True, dither=0.0, sample_frequency=16000)feats -= feats.mean(axis=0).