On the Relationship between Accent Strength and Articulatory Features

• URL: http://arxiv.org/abs/2507.03149v1
• Date: Thu, 03 Jul 2025 20:08:28 GMT
• Title: On the Relationship between Accent Strength and Articulatory Features
• Authors: Kevin Huang, Sean Foley, Jihwan Lee, Yoonjeong Lee, Dani Byrd, Shrikanth Narayanan,
• Abstract summary: This paper explores the relationship between accent strength and articulatory features inferred from acoustic speech.<n>The proposed framework leverages recent self-supervised learning articulatory inversion techniques to estimate articulatory features.<n>Results indicate that tongue positioning patterns distinguish the two dialects, with notable differences inter-dialects in rhotic and low back vowels.
• Score: 26.865464238029748
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This paper explores the relationship between accent strength and articulatory features inferred from acoustic speech. To quantify accent strength, we compare phonetic transcriptions with transcriptions based on dictionary-based references, computing phoneme-level difference as a measure of accent strength. The proposed framework leverages recent self-supervised learning articulatory inversion techniques to estimate articulatory features. Analyzing a corpus of read speech from American and British English speakers, this study examines correlations between derived articulatory parameters and accent strength proxies, associating systematic articulatory differences with indexed accent strength. Results indicate that tongue positioning patterns distinguish the two dialects, with notable differences inter-dialects in rhotic and low back vowels. These findings contribute to automated accent analysis and articulatory modeling for speech processing applications.

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