The Multilingual Conversational Speech LLM (MLC-SLM) Challenge is now open as a satellite event of Interspeech 2025!
Hosted by Meta, Google, Samsung Electronics, NAVER Corp, China Mobile, Northwestern Polytechnical University and Nexdata, this challenge aims to advance multilingual conversational AI by developing cutting-edge speech language models and providing access to a real-world multilingual conversational speech dataset.
The challenge consists of two tasks, both of which require participants to explore the development of speech language models (SLMs):
Task I: Multilingual Conversational Speech Recognition
Objective: Develop a multilingual LLM-based ASR model. Participants will be provided with oracle segmentation and speaker labels for each conversation.
Task II: Multilingual Conversational Speech Diarization and Recognition
Objective: Develop a system for both speaker diarization (identifying who is speaking when), and recognition (transcribing speech to text). No prior or oracle information will be provided during evaluation (e.g., no pre-segmented utterances or speaker labels). Both pipeline-based and end-to-end systems are encouraged, providing flexibility in system design and implementation.
The training set (Train) comprises approximately 11 languages: English (en), French (fr), German (de), Italian (it), Portuguese (pt), Spanish (es), Japanese (jp), Korean (ko), Russian (ru), Thai (th), Vietnamese (vi).
Important Dates (AOT Time)
March 10, 2025: Registration opens
March 15, 2025: Training data release
April 1, 2025: Development set and baseline system release
May 15, 2025: Evaluation set release and Leaderboard open
May 30, 2025: Leaderboard freeze and paper submission portal opens (CMT system)
June 15, 2025: Paper submission deadline
July 1, 2025: Notification of acceptance
August 18, 2025: Workshop date
We have set a prize pool of $20,000 for the winners. Based on performance, the top three teams in each track will be awarded:
1st Prize: $5,000
2nd Prize: $3,000
3rd Prize: $2,000
🔗 Join now: https://lnkd.in/gwR8dvVp
📩 Register here: https://lnkd.in/gUYs9M4Y
For inquiries: mlc-slmw@nexdata.ai
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