Mega-ASR: Towards In-the-wild^2 Speech Recognition via Scaling up Real-world Acoustic Simulation
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Abstract (arXiv)
Despite rapid advances in automatic speech recognition (ASR) and large audio-language models, robust recognition in real-world environments remains limited by an "acoustic robustness bottleneck": models often lose acoustic grounding and produce omissions or hallucinations under severe, compositional distortions. We propose Mega-ASR, a unified ASR-in-the-wild framework that combines scalable compound-data construction with progressive acoustic-to-semantic optimization. We introduce Voices-in-the-Wild-2M, covering 7 classic acoustic phenomena and 54 physically plausible compound scenarios, and train Mega-ASR with Acoustic-to-Semantic Progressive Supervised Fine-Tuning and Dual-Granularity WER-Gated Policy Optimization. Extensive experiments demonstrate that Mega-ASR achieves significant advantages over prior state-of-the-art systems on adverse-condition ASR benchmarks (45.69% vs. 54.01% on VOiCES R4-B-F, and 21.49% vs. 29.34% on NOIZEUS Sta-0). On complex compositional acoustic scenarios, Mega-ASR further delivers over 30% relative WER reduction against strong open- and closed-source baselines, establishing a scalable paradigm for robust ASR in-the-wild.
Key facts. Cited by 5 papers in the map (data through 14 Oct 2026). Builds on 38 of its 51 references that are in the map. First posted on arXiv 19 May 2026.
Builds on
38 of 51 references.
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26 more
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Citing papers per year: 2026: 5.
5 papers.
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- 2026Towards Quantifying Benchmark Optimization in ASR Modelscited by 0
- 2026Open-Qwen-Music: An Auditable Framework for LLM-Based Music Composition and Diffusion Renderingcited by 0
- 2026AlignAudio: A Unified Dual-Alignment Framework for Noise-Robust Speech-Conditioned Generationcited by 0
- 2026AlignAudio: A Unified Dual-Alignment Framework for Noise-Robust Speech-Conditioned Generation10 Oct 2026
- 2026Open-Qwen-Music: An Auditable Framework for LLM-Based Music Composition and Diffusion Rendering14 Sep 2026
- 2026VoiceMem: Streaming Dual-Brain Memory for Real-Time Interaction26 Aug 2026
- 2026Towards Quantifying Benchmark Optimization in ASR Models20 Aug 2026
- 2026Audio Interaction Model3 Jun 2026