Summary on The Multilingual Conversational Speech Language Model Challenge: Datasets, Tasks, Baselines, and Methods

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Main Authors: Mu, Bingshen, Guo, Pengcheng, Sun, Zhaokai, Wang, Shuai, Liu, Hexin, Shao, Mingchen, Xie, Lei, Chng, Eng Siong, Xiao, Longshuai, Feng, Qiangze, Wang, Daliang
Format: Preprint
Published: 2025
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author Mu, Bingshen
Guo, Pengcheng
Sun, Zhaokai
Wang, Shuai
Liu, Hexin
Shao, Mingchen
Xie, Lei
Chng, Eng Siong
Xiao, Longshuai
Feng, Qiangze
Wang, Daliang
author_facet Mu, Bingshen
Guo, Pengcheng
Sun, Zhaokai
Wang, Shuai
Liu, Hexin
Shao, Mingchen
Xie, Lei
Chng, Eng Siong
Xiao, Longshuai
Feng, Qiangze
Wang, Daliang
contents This paper summarizes the Interspeech2025 Multilingual Conversational Speech Language Model (MLC-SLM) challenge, which aims to advance the exploration of building effective multilingual conversational speech LLMs (SLLMs). We provide a detailed description of the task settings for the MLC-SLM challenge, the released real-world multilingual conversational speech dataset totaling approximately 1,604 hours, and the baseline systems for participants. The MLC-SLM challenge attracts 78 teams from 13 countries to participate, with 489 valid leaderboard results and 14 technical reports for the two tasks. We distill valuable insights on building multilingual conversational SLLMs based on submissions from participants, aiming to contribute to the advancement of the community.
format Preprint
id arxiv_https___arxiv_org_abs_2509_13785
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Summary on The Multilingual Conversational Speech Language Model Challenge: Datasets, Tasks, Baselines, and Methods
Mu, Bingshen
Guo, Pengcheng
Sun, Zhaokai
Wang, Shuai
Liu, Hexin
Shao, Mingchen
Xie, Lei
Chng, Eng Siong
Xiao, Longshuai
Feng, Qiangze
Wang, Daliang
Audio and Speech Processing
Sound
This paper summarizes the Interspeech2025 Multilingual Conversational Speech Language Model (MLC-SLM) challenge, which aims to advance the exploration of building effective multilingual conversational speech LLMs (SLLMs). We provide a detailed description of the task settings for the MLC-SLM challenge, the released real-world multilingual conversational speech dataset totaling approximately 1,604 hours, and the baseline systems for participants. The MLC-SLM challenge attracts 78 teams from 13 countries to participate, with 489 valid leaderboard results and 14 technical reports for the two tasks. We distill valuable insights on building multilingual conversational SLLMs based on submissions from participants, aiming to contribute to the advancement of the community.
title Summary on The Multilingual Conversational Speech Language Model Challenge: Datasets, Tasks, Baselines, and Methods
topic Audio and Speech Processing
Sound
url https://arxiv.org/abs/2509.13785