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QuartzNet: Deep Automatic Speech Recognition with 1D Time-Channel Separable Convolutions

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arxiv 1910.10261 v1 pith:BYOU3TEY submitted 2019-10-22 eess.AS

classification eess.AS
keywords modelautomaticlayersrecognitionseparablespeechtime-channelaccuracy
verification ladder T0 review T1 audit T2 compute T3 formal
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We propose a new end-to-end neural acoustic model for automatic speech recognition. The model is composed of multiple blocks with residual connections between them. Each block consists of one or more modules with 1D time-channel separable convolutional layers, batch normalization, and ReLU layers. It is trained with CTC loss. The proposed network achieves near state-of-the-art accuracy on LibriSpeech and Wall Street Journal, while having fewer parameters than all competing models. We also demonstrate that this model can be effectively fine-tuned on new datasets.

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