The RWTH ASR System for TED-LIUM Release 2: Improving Hybrid HMM with SpecAugment

We present a complete training pipeline to build a state-of-the-art hybrid HMM-based ASR system on the 2nd release of the TED-LIUM corpus. Data augmentation using SpecAugment is successfully applied to improve performance on top of our best SAT model using i-vectors... (read more)

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