torch==1.9.0 torchaudio==0.9.0 transformers==4.9.2 datasets==1.11.0 pyctcdecode==v0.1.0 speechbrain pydub kenlm pyctcdecode soundfile ffmpeg-python gradio nltk librosa transformers transformers[sentencepiece] https://github.com/kpu/kenlm/archive/master.zip