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Linguistic Distance Segregates Latent Representations in Automatic Speech Recognition Systems

arXiv · AI, language, vision and robotics · article · Aug 31, 2026 · UTC

While automatic speech recognition (ASR) models have achieved remarkable improvements in recent years, performance disparities persist across different speaker populations. One such disparity is for speakers whose first languages (L1) are from families distant from English. This paper investigates the relationship between first language background and English ASR performance. Through empirical analysis, we observe that the correlation between speakers' L1 distance and ASR error rates yields a systematic effect on English Speech, with its strength varying across datasets and models. This associ

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