collaborators

5 papers

cs.CL2026

Preferences of a Voice-First Nation: Large-Scale Pairwise Evaluation and Preference Analysis for TTS in Indian Languages

Srija Anand, Ashwin Sankar, Ishvinder Sethi +10

Crowdsourced pairwise evaluation has emerged as a scalable approach for assessing foundation models. However, applying it to Text to Speech(TTS) introduces high variance due to lin…

cs.CL2025

Mark My Words: A Robust Multilingual Model for Punctuation in Text and Speech Transcripts

Sidharth Pulipaka, Sparsh Jain, Ashwin Sankar +1

Punctuation plays a vital role in structuring meaning, yet current models often struggle to restore it accurately in transcripts of spontaneous speech, especially in the presence o…

cs.CL2025

Towards Building Large Scale Datasets and State-of-the-Art Automatic Speech Translation Systems for 14 Indian Languages

Ashwin Sankar, Sparsh Jain, Nikhil Narasimhan +6

Speech translation for Indian languages remains a challenging task due to the scarcity of large-scale, publicly available datasets that capture the linguistic diversity and domain…

cs.CL2025

RASMALAI: Resources for Adaptive Speech Modeling in Indian Languages with Accents and Intonations

Ashwin Sankar, Yoach Lacombe, Sherry Thomas +3

We introduce RASMALAI, a large-scale speech dataset with rich text descriptions, designed to advance controllable and expressive text-to-speech (TTS) synthesis for 23 Indian langua…

cs.CL2025

Rethinking MUSHRA: Addressing Modern Challenges in Text-to-Speech Evaluation

Praveen Srinivasa Varadhan, Amogh Gulati, Ashwin Sankar +8

Despite rapid advancements in TTS models, a consistent and robust human evaluation framework is still lacking. For example, MOS tests fail to differentiate between similar models,…