Apologies for cross-posting.
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*The International Conference on Spoken Language Translation*
*ACL – 22nd IWSLT 2025 – **Third** Call for Participation*
*31 July-1 August 2025 - Vienna, Austria*
The International Conference on Spoken Language Translation (IWSLT) https://iwslt.org/ is the premier annual conference for all aspects of Spoken Language Translation. Every year, the conference organises and sponsors open evaluation campaigns around key challenges in simultaneous and consecutive translation, under real-time/low latency or offline conditions and under low-resource or multilingual constraints. System descriptions and results from participants’ systems and scientific papers related to key algorithmic advances and best practices are presented.
IWSLT is the venue of the SIGSLTs https://iwslt.org/sigslt/, the Special Interest Group on Spoken Language Translation https://iwslt.org/sigslt/ of ACL https://www.aclweb.org/portal/, ISCA https://www.isca-speech.org/ and ELRA https://www.elra.info/. With a track record of 21 years, IWSLT benchmarks and proceedings serve as reference for all researchers and practitioners working on speech translation and related fields.
The 22nd edition of IWSLT will be run as a hybrid ELRA https://www.elra.info//ACL https://www.aclweb.org/portal/ event, co-located with ACL 2025 https://2025.aclweb.org/ from 31 July to 1 August 2025.
*Important Dates*
*January 1, 2025*: Release of shared task training and dev data
*March 15, 2025*: Scientific paper submission deadline
*Apr 1-15, 2025*: Evaluation period
*April 21, 2025*: System description paper and demo submission deadline
*May 15, 2025*: Notification of acceptance
*June 1, 2025*: Camera-ready deadline (all paper)
*July 31-Aug 1*, *2025*: IWSLT conference
*Evaluation*
The IWSLT 2025 features shared tasks https://iwslt.org/2025/#shared-tasks that address the following focus areas:
- High-resource ST: Offline track, Simultaneous track, Subtitling track, Model compression track
- Low-resource ST: Low-resource and Indic (multilingual) tracks
- Instruction-following Speech Processing track: Technical domain ST, ASR, Summarization, and QA
Training and development data for each shared task will be prepared and released by the respective organisers (for further information on this initiative, please refer to the IWSLT website https://iwslt.org/2025/). Participants will receive instructions about how to submit their runs. In addition, participants have the opportunity to present their work through a system paper that will be published in the ACL Proceedings.
*Conference*
IWSLT also invites submissions of scientific papers to be published in the ACL Proceedings and presented either in oral or poster format. The conference selects high-quality, original contributions on theoretical and practical issues of spoken language translation research, technologies and applications. Submissions will be accepted directly through the IWSLT submission site (to be announced on the website https://iwslt.org/2025/). We will also accept commitments of submissions with reviews from the ACL Rolling Review.
Additionally, to foster cross-pollination of ideas, the conference also invites the presentation of papers on speech translation recently published elsewhere. Please note that this is for non-archival presentation of papers relevant to speech translation already published in other venues (e.g., Findings for the *ACL, speech, NLP or MT conferences). Submissions for this category will be accepted through a dedicated form (to be announced on the website https://iwslt.org/2025/). Papers will be checked for relevance to IWSLT, and assigned either oral or poster presentation slots if selected.
*Demo Session*
We invite researchers, practitioners, and industry professionals to participate in an engaging demo session highlighting innovative systems, tools, and component technologies that advance the field of speech translation. The session will include live and interactive system demonstrations to foster discussion and knowledge exchange among participants across the field.
For more information, please see our Call for Demos https://iwslt.org/2025/call-for-demos.
*Contact* Please email iwslt-evaluation-campaign@googlegroups.com if you have any questions related to the shared tasks.
Thanks, Marine, Marcello, Alex, Jan, Sebastian, Elizabeth, Atul (IWSLT organisers)