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Comparative performance analysis of end-to-end ASR models on Indo-Aryan and Dravidian languages within India’s linguistic landscape
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Comparative performance analysis of end-to-end ASR models on Indo-Aryan and Dravidian languages within India’s linguistic landscape
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Journal Article
Comparative performance analysis of end-to-end ASR models on Indo-Aryan and Dravidian languages within India’s linguistic landscape
2025
Overview
India’s linguistic diversity encompasses multiple language families, including the Indo-Aryan and Dravidian, which represent distinct phonological and morphological characteristics. This study aims to evaluate and compare the performance of end-to-end automatic speech recognition (ASR) systems for three Indo-Aryan languages—Marathi, Odia, and Gujarati—and three Dravidian languages—Tamil, Telugu, and Malayalam. Using four transformer-based pre-trained models—Wav2Vec2.0-base, XLSR-53, W2V2-BERT, and Whisper small—the analysis explores their adaptability to these languages’ linguistic features, with word error rate (WER) and character error rate (CER) serving as evaluation metrics. Results indicate that W2V2-BERT and XLSR-53 outperform other models, achieving lower WER and CER, especially for Indo-Aryan languages. However, higher error rates for Dravidian languages highlight challenges such as complex phonology and agglutinative morphology. This work provides a comparative insight into the strengths and limitations of pre-trained ASR models across India’s diverse linguistic landscape and underscores the need for language-specific adaptations to improve ASR accuracy for underrepresented languages.
Publisher
Springer International Publishing,Springer Nature B.V,SpringerOpen
Subject
