Abstract

Recent advances in speech language models have improved automatic speech recognition (ASR) for long-form audio. However, accurately and consistently transcribing domain-specific terminology remains challenging. Motivated by the world knowledge and contextual capability of large language models (LLMs), we propose Agentic-GER, an LLM-based agent for terminology correction in long-form speech. The agent uses global context from the full transcript to identify suspicious terms and resolve ambiguous hypotheses. It selectively re-transcribes the source speech to check candidate corrections, and uses accepted edits to guide subsequent decisions. Experiments with four LLMs and two ASR systems on GigaSpeechBench show consistent terminology improvements in both Chinese and English, with and without thinking. On Chinese speech, Agentic-GER achieves up to a 36.8% relative reduction in biased character error rate (B-CER) over the Whisper baseline.

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Open access
Green open access

Cite this article

APA 7

Zhu, Y., Wang, W., Gao, Z., Li, X., & Chen, X. (2026). agentic-ger: terminology recovery in long-form speech using global context. https://omanscience.com/en/articles/agentic-ger-terminology-recovery-in-long-form-speech-using-global-context

MLA 9

Zhu, Yanqiao, et al. "agentic-ger: terminology recovery in long-form speech using global context." https://omanscience.com/en/articles/agentic-ger-terminology-recovery-in-long-form-speech-using-global-context.

Chicago (author–date)

Zhu, Yanqiao, Wupeng Wang, Zhifu Gao, Xiangang Li, and Xie Chen. 2026. "agentic-ger: terminology recovery in long-form speech using global context." https://omanscience.com/en/articles/agentic-ger-terminology-recovery-in-long-form-speech-using-global-context.

Harvard

Zhu, Y., Wang, W., Gao, Z., Li, X. and Chen, X. (2026) 'agentic-ger: terminology recovery in long-form speech using global context', Available at: https://omanscience.com/en/articles/agentic-ger-terminology-recovery-in-long-form-speech-using-global-context.

Vancouver

Zhu Y, Wang W, Gao Z, Li X, Chen X. agentic-ger: terminology recovery in long-form speech using global context. https://omanscience.com/en/articles/agentic-ger-terminology-recovery-in-long-form-speech-using-global-context

IEEE

Y. Zhu, W. Wang, Z. Gao, X. Li, and X. Chen, "agentic-ger: terminology recovery in long-form speech using global context," https://omanscience.com/en/articles/agentic-ger-terminology-recovery-in-long-form-speech-using-global-context.