espnet / espnet/espnet_onnx

wav quality drop

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Description

hi, I initial text2speech using my own am_model and vocoder and export onnx model, but sound quality drops significantly, I just modify hifigan inference code in [https://github.com/Masao-Someki/espnet_onnx/blob/feature/add_PWGVocoder/espnet_onnx/export/tts/models/vocoders/parallel_wavegan.py](url) because hifigan code in repo ParalleWaveGAN does not support parameter x,
and i checked Espnet am and vocoder and onnx am and vocoder, they look the same
could you please offer some advises?

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