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Cetacean Translation Initiative: a roadmap to deciphering the communication of sperm whales ...
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Interpreting intermediate convolutional layers of CNNs trained on raw speech ...
Beguš, Gašper; Zhou, Alan. - : arXiv, 2021
Abstract: This paper presents a technique to interpret and visualize intermediate layers in CNNs trained on raw speech data in an unsupervised manner. We argue that averaging over feature maps after ReLU activation in each convolutional layer yields interpretable time-series data. By linearly interpolating individual latent variables to marginal levels outside of the training range, we further argue that we are able to observe a causal relationship between individual latent variables that encode linguistically meaningful units and activations in intermediate convolutional layers. The proposed technique allows acoustic analysis of intermediate layers that parallels the acoustic analysis of human speech data: we can extract F0, intensity, duration, formants, and other acoustic properties from intermediate layers in order to test where and how CNNs encode various types of information. Observing the causal effect between linear interpolation and the resulting changes in intermediate layers can reveal how individual ...
Keyword: Artificial Intelligence cs.AI; Audio and Speech Processing eess.AS; Computation and Language cs.CL; FOS Computer and information sciences; FOS Electrical engineering, electronic engineering, information engineering; Sound cs.SD
URL: https://arxiv.org/abs/2104.09489
https://dx.doi.org/10.48550/arxiv.2104.09489
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Deep Sound Change: Deep and Iterative Learning, Convolutional Neural Networks, and Language Change ...
Beguš, Gašper. - : arXiv, 2020
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