Sunil Kumar Kopparapu

Employment

• Tata Consultancy Services Ltd Principal Scientist
  2006 - Present

Education

• Indian Institute of Technology Bombay PhD
  1991 - 1996
• JNTU College of Engineering Kakinada BTech
  1984 - 1988

Projects & Funding

Projects & funding information is unavailable.

Publications (178)

• MC2SC: Signal Transformation for Multi-channel Signal Processing
  2026 DOI: 10.1007/978-981-95-4395-3_24
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• A Cost Minimization Approach to Fix the Vocabulary Size in a Tokenizer for an End-to-End ASR System
  2025 DOI: 10.1007/978-3-031-78119-3_23
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• EmbedAug: An Augmentation Scheme for End-to-End Automatic Speech Recognition
  Proceedings of the Annual Conference of the International Speech Communication Association Interspeech 2025 DOI: 10.21437/Interspeech.2025-1360
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• HamaraAwaz: Advancing Low-Latency Streaming TTS for Multilingual Speech in Indian Languages
  ICASSP IEEE International Conference on Acoustics Speech and Signal Processing Proceedings 2025 DOI: 10.1109/ICASSP49660.2025.10887580
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• Unifying EEG and Speech for Emotion Recognition: A Two-Step Joint Learning Framework for Handling Missing EEG Data During Inference
  Arxiv 2025 DOI: 10.48550/arXiv.2503.18964
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• A cost minimization approach to fix the vocabulary size in a tokenizer for an End-to-End ASR system
  Arxiv 2024 DOI: 10.48550/arXiv.2406.02563
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• Acoustic model adaptation in noisy and reverberated scenarios using multi-task learned embeddings
  Apsipa ASC 2024 Asia Pacific Signal and Information Processing Association Annual Summit and Conference 2024 2024 DOI: 10.1109/APSIPAASC63619.2025.10849198
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• Challenges and Opportunities Designing Voice User Interfaces for Emergent Users
  Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics 2024 DOI: 10.1007/978-3-031-60449-2_1
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• Generalized SpecAugment: Robust Online Augmentation Technique for End-to-End Automatic Speech Recognition
  Apsipa ASC 2024 Asia Pacific Signal and Information Processing Association Annual Summit and Conference 2024 2024 DOI: 10.1109/APSIPAASC63619.2025.10848913
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• Joint Class Learning with Self Similarity Projection for EEG Emotion Recognition
  ACM International Conference Proceeding Series 2024 DOI: 10.1145/3632410.3632417
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