Unsupervised Learning and Representation of Mandarin Tonal Categories by a Generative CNN

Fuente: arXiv
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Autori principali: Schenck, Kai, Beguš, Gašper
Natura: Preprint
Pubblicazione: 2025
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author Schenck, Kai
Beguš, Gašper
author_facet Schenck, Kai
Beguš, Gašper
contents This paper outlines the methodology for modeling tonal learning in fully unsupervised models of human language acquisition. Tonal patterns are among the computationally most complex learning objectives in language. We argue that a realistic generative model of human language (ciwGAN) can learn to associate its categorical variables with Mandarin Chinese tonal categories without any labeled data. All three trained models showed statistically significant differences in F0 across categorical variables. The model trained solely on male tokens consistently encoded tone. Our results sug- gest that not only does the model learn Mandarin tonal contrasts, but it learns a system that corresponds to a stage of acquisition in human language learners. We also outline methodology for tracing tonal representations in internal convolutional layers, which shows that linguistic tools can contribute to interpretability of deep learning and can ultimately be used in neural experiments.
format Preprint
id arxiv_https___arxiv_org_abs_2509_17859
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Unsupervised Learning and Representation of Mandarin Tonal Categories by a Generative CNN
Schenck, Kai
Beguš, Gašper
Computation and Language
Machine Learning
This paper outlines the methodology for modeling tonal learning in fully unsupervised models of human language acquisition. Tonal patterns are among the computationally most complex learning objectives in language. We argue that a realistic generative model of human language (ciwGAN) can learn to associate its categorical variables with Mandarin Chinese tonal categories without any labeled data. All three trained models showed statistically significant differences in F0 across categorical variables. The model trained solely on male tokens consistently encoded tone. Our results sug- gest that not only does the model learn Mandarin tonal contrasts, but it learns a system that corresponds to a stage of acquisition in human language learners. We also outline methodology for tracing tonal representations in internal convolutional layers, which shows that linguistic tools can contribute to interpretability of deep learning and can ultimately be used in neural experiments.
title Unsupervised Learning and Representation of Mandarin Tonal Categories by a Generative CNN
topic Computation and Language
Machine Learning
url https://arxiv.org/abs/2509.17859