Publications

A collection of my research work.

Compositional domain adaptation for automatic speech recognition with headwise selective attention merging

Natarajan Balaji Shankar, Zilai Wang, Eray Eren, Abeer Alwan

Computer Speech & Language 2027

Paper

Gumbel-BEARD: Automatic Layer Selection for Self-Supervised Adaptation of Whisper in Low-Resource Domains

Zilai Wang, Natarajan Balaji Shankar, Mohan Shi, Kaiyuan Zhang, Abeer Alwan

Interspeech 2026 2026

Paper

GC-LoRA: Gated Convolutional LoRA for Parameter-Efficient Acoustic Adaptation

Natarajan Balaji Shankar, Zilai Wang, Kaiyuan Zhang, Mohan Shi, Abeer Alwan

Interspeech 2026 2026

Paper

Entropy-Aware Domain-Routed Mixture-of-Experts Speech-LLM Framework: A Case Study of Multi-Domain Child-Adult ASR

Mohan Shi, Kaiyuan Zhang, Zilai Wang, Natarajan Balaji Shankar, Eray Eren, Abeer Alwan

Interspeech 2026 2026

Paper

Mind the Shift: Using Delta SSL Embeddings to Enhance Child ASR

Zilai Wang, Natarajan Balaji Shankar, Kaiyuan Zhang, Zihan Wang, Abeer Alwan

ICASSP 2026 2026

PaperCode

STACodec: Semantic Token Assignment for Balancing Acoustic Fidelity and Semantic Information in Audio Codecs

Kaiyuan Zhang, Mohan Shi, Eray Eren, Natarajan Balaji Shankar, Zilai Wang, Abeer Alwan

ICASSP 2026 2026

Paper

Selective Attention Merging for low resource tasks: A case study of Child ASR

Natarajan Balaji Shankar, Zilai Wang, Eray Eren, Abeer Alwan

ICASSP 2025 2025

PaperDOICode

CHSER: A Dataset and Case Study on Generative Speech Error Correction for Child ASR

Natarajan Balaji Shankar, Zilai Wang, Kaiyuan Zhang, Mohan Shi, Abeer Alwan

Interspeech 2025 2025

PaperCode

Comparing Unsupervised and Supervised Semantic Speech Tokens: A Case Study of Child ASR

Mohan Shi, Natarajan Balaji Shankar, Kaiyuan Zhang, Zilai Wang, Abeer Alwan

ASRU Workshop 2025 2025

Paper