Papers › Deep Recurrent Neural Networks for Acoustic Modelling

Deep Recurrent Neural Networks for Acoustic Modelling

7 Apr 2015arXiv:1504.01482archive 2025-07-28

William Chan, Ian Lane

We present a novel deep Recurrent Neural Network (RNN) model for acoustic modelling in Automatic Speech Recognition (ASR). We term our contribution as a TC-DNN-BLSTM-DNN model, the model combines a Deep Neural Network (DNN) with Time Convolution (TC), followed by a Bidirectional Long Short-Term Memory (BLSTM), and a final DNN. The first DNN acts as a feature processor to our model, the BLSTM then generates a context from the sequence acoustic signal, and the final DNN takes the context and models the posterior probabilities of the acoustic states. We achieve a 3.47 WER on the Wall Street Journal (WSJ) eval92 task or more than 8% relative improvement over the baseline DNN models.

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Tasks

Acoustic ModellingAutomatic Speech RecognitionAutomatic Speech Recognition (ASR)Speech Recognitionspeech-recognition

Results from the paper archive 2025-07-28

TaskDatasetModelMetricValueRank at snapshotLeaderboardReport
Speech Recognition WSJ eval92 TC-DNN-BLSTM-DNN Word Error Rate (WER) 3.5 #11 of 17 Archive leaderboard report

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Methods

Convolution

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