mravanelli/pytorch-kaldi

pytorch-kaldi is a project for developing state-of-the-art DNN/RNN hybrid speech recognition systems. The DNN part is managed by pytorch, while feature extraction, label computation, and decoding are performed with the kaldi toolkit.

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The toolkit bridges PyTorch's model flexibility with Kaldi's robust acoustic processing through a modular DNN/HMM architecture, supporting multi-stream inputs and complex neural topologies (MLPs, CNNs, RNNs, LSTMs, SincNet) configured via intuitive YAML files. Key capabilities include automatic feature chunking with context expansion, multi-GPU training, HPC cluster integration, and plug-in support for custom acoustic models without modifying core code. Built-in scheduling for dynamic hyperparameter adjustment (batch size, learning rate, dropout) during training enables sophisticated training regimens.

2,396 stars. No commits in the last 6 months.

No License Stale 6m No Package No Dependents
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Maturity 8 / 25
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2,396

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446

Language

Python

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Last pushed

Mar 14, 2022

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