ResearchResearch paperMultimodal Models · Large Language Models · Speech & Audio1 source · Oct 21, 2026

Omnilingual-MsASR: Benchmarking Multimodal, Multilingual, Long-Form Multi-Speaker ASR of Omni Large Language Models

To characterize the capability limit of current omni LLMs and guide future model development, we introduce Omnilingual-MsASR, a multilingual, multimodal benchmark for long-form Multi-speaker Automatic Speech Recognition (MsASR) covering six languages, recordings up to 30 minutes, and scenarios with up to 20 speakers.

Key points

  • Omni-modal large language models (LLMs) have achieved remarkable progress in audio and video understanding.
  • However, existing models struggle with long-form, multi-speaker videos, especially in understanding the entire video and recognizing who says what and when.
  • Omnilingual-MsASR provides parallel audio and video inputs to evaluate models' cross-modal consistency and their ability to exploit complementary cues across modalities.
  • These findings highlight fine-grained temporal localization, speaker disambiguation, and cross-modal synergy as key challenges for future omni-modal foundation models.

Sources (1)

  • [1]Omnilingual-MsASR: Benchmarking Multimodal, Multilingual, Long-Form Multi-Speaker ASR of Omni Large Language Models
    arXiv (AI, ML, NLP, CV, robotics, multi-agent) · Oct 21, 09:11 AM
    To characterize the capability limit of current omni LLMs and guide future model development, we introduce Omnilingual-MsASR, a multilingual, multimodal benchmark for long-form Multi-speaker Automatic Speech Recognition (MsASR) covering six languages, recordings up to 30 minutes, and scenarios with up to 20 speakers.
    Omni-modal large language models (LLMs) have achieved remarkable progress in audio and video understanding.

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