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Deep convolutional neural networks for LVCSR

Sainath, Tara N., Mohamed, Abdel-rahman, Kingsbury, Brian, Ramabhadran, Bhuvana·2013·2013 IEEE International Conference on Acoustics, Speech and Signal Processing

Abstract

Convolutional Neural Networks (CNNs) are an alternative type of neural network that can be used to reduce spectral variations and model spectral correlations which exist in signals. Since speech signals exhibit both of these properties, CNNs are a more effective model for speech compared to Deep Neural Networks (DNNs). In this paper, we explore applying CNNs to large vocabulary speech tasks. First, we determine the appropriate architecture to make CNNs effective compared to DNNs for LVCSR tasks. Specifically, we focus on how many convolutional layers are needed, what is the optimal number of hidden units, what is the best pooling strategy, and the best input feature type for CNNs. We then explore the behavior of neural network features extracted from CNNs on a variety of LVCSR tasks, comparing CNNs to DNNs and GMMs. We find that CNNs offer between a 13-30% relative improvement over GMMs, and a 4-12% relative improvement over DNNs, on a 400-hr Broadcast News and 300-hr Switchboard task.

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Metadata

Authors
Sainath, T. N., Mohamed, A.-R., Kingsbury, B., & Ramabhadran, B.
Venue
2013 IEEE International Conference on Acoustics, Speech and Signal Processing
Publisher
IEEE
Published
2013-05
Pages
8614-8618
ISSN
1520-6149 (ISSN-L)
OpenAlex
W2112739286
Cited by
1,053
References
4
FWCI
44.88
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Deep convolutional neural networks for LVCSR. https://app.cochat.ai/papers/10.1109/icassp.2013.6639347
The paper
Sainath, T. N., Mohamed, A.-R., Kingsbury, B., & Ramabhadran, B. (2013). Deep convolutional neural networks for LVCSR. 2013 IEEE International Conference on Acoustics, Speech and Signal Processing. https://doi.org/10.1109/icassp.2013.6639347

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