Long-Tail Rebalancing for Non-Verbal Vocalization-Aware ASR: A Track 1 System for the NVVSpeech Challenge

arXiv:2609.23462 · eess.AS, cs.CL, cs.SD · Submitted 2026-09-20 · Read on arXiv

eess.AS, cs.CL, cs.SD

Submitted: 2026-09-20

Updated: 2026-09-23

Comments: Accepted by ISCSLP 2026, NVVSpeech Challenge Track 1

Project page: https://nvvspeech-challenge.github.io

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Fine-Tuning — 5× in this paper · explained in 5 episodes
• Accuracy — 4× in this paper · explained in 1 episode
• Automatic Speech Recognition (ASR) — 2× in this paper · explained in 2 episodes
• Generalization — 2× in this paper · explained in 13 episodes
• Ablation — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Benchmarking — 1× in this paper · explained in 4 episodes
• Data Provenance — 1× in this paper · explained in 2 episodes
• Decoupling — 1× in this paper · explained in 2 episodes
• F1 Score — 1× in this paper · explained in 3 episodes
• Generalizability — 1× in this paper · explained in 6 episodes
• Grounding — 1× in this paper · explained in 3 episodes
• Provenance — 1× in this paper · explained in 4 episodes
• Representation Learning — 1× in this paper · explained in 2 episodes
• Supervised Fine-Tuning (SFT) — 1× in this paper · explained in 8 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Two-stage training — 1× in this paper · explained in 2 episodes

Sources

• Beyond Words: Towards Effective Modeling of Non-Verbal Vocalizations in ASR
• Decoupling Representation and Classifier for Long-Tailed Recognition
• Preference Optimization for Non-Verbal Vocalization Synthesis
• Balanced Meta-Softmax for Long-Tailed Visual Recognition
• NVSpeech: An Integrated and Scalable Pipeline for Human-Like Speech Modeling with Paralinguistic Vocalizations
• A Scalable Pipeline for Enabling Non-Verbal Speech Generation and Understanding
• WESR: Scaling and Evaluating Word-level Event-Speech Recognition
• Qwen3-ASR Technical Report

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