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Code Switched and Code Mixed Speech Recognition for Indic languages

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arxiv 2203.16578 v2 pith:VX55CZDE submitted 2022-03-30 cs.CL eess.AS

Harveen Singh Chadha , Priyanshi Shah , Ankur Dhuriya , Neeraj Chhimwal , Anirudh Gupta , Vivek Raghavan This is my paper · ORCID
classification cs.CLeess.AS
keywords multilingualcodelanguagesindiclanguagerecognitionspeechswitched
verification ladder T0 review T1 audit T2 compute T3 formal
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Training multilingual automatic speech recognition (ASR) systems is challenging because acoustic and lexical information is typically language specific. Training multilingual system for Indic languages is even more tougher due to lack of open source datasets and results on different approaches. We compare the performance of end to end multilingual speech recognition system to the performance of monolingual models conditioned on language identification (LID). The decoding information from a multilingual model is used for language identification and then combined with monolingual models to get an improvement of 50% WER across languages. We also propose a similar technique to solve the Code Switched problem and achieve a WER of 21.77 and 28.27 over Hindi-English and Bengali-English respectively. Our work talks on how transformer based ASR especially wav2vec 2.0 can be applied in developing multilingual ASR and code switched ASR for Indic languages.

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  1. SurakshaEval: An Indic Safety Benchmark for Multilingual LLMs

    cs.CL 2026-08 conditional novelty 7.0 of 10

    SurakshaEval, a 2,968-prompt safety benchmark in 10 Indic languages plus English, shows that 27 current LLMs pass safety checks far less often in Indic scripts than in English.

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