examples/encode_ref_audio.py

import torch
from librosa import load
from neucodec import NeuCodec

def main(ref_audio_path, output_path="output.pt"):
    print("Encoding reference audio")

    # Make sure output path ends with .pt
    if not output_path.endswith(".pt"):
        print("Output path should end with .pt to save the codes.")
        return

    # Initialize codec
    codec = NeuCodec.from_pretrained("neuphonic/neucodec")
    codec.eval().to("cpu")

    # Load and encode reference audio
    wav, _ = load(ref_audio_path, sr=16000, mono=True)  # load as 16kHz
    wav_tensor = torch.from_numpy(wav).float().unsqueeze(0).unsqueeze(0)  # [1, 1, T]
    ref_codes = codec.encode_code(audio_or_path=wav_tensor).squeeze(0).squeeze(0)

    # Save the codes
    torch.save(ref_codes, output_path)


if __name__ == "__main__":
    import argparse

    parser = argparse.ArgumentParser(description="NeuTTSAir Reference Encoding Example")
    parser.add_argument(
        "--ref_audio", type=str, default="./sample/Vĩnh (nam miền Nam).wav", help="Path to reference audio"
    )
    parser.add_argument(
        "--output_path",
        type=str,
        default="encoded_reference.pt",
        help="Path to save the output codes",
    )
    args = parser.parse_args()
    main(
        ref_audio_path=args.ref_audio,
        output_path=args.output_path,
    )