Datasets › AISHELL-2

AISHELL-2

Introduced by Jiayu Du et al. in AISHELL-2: Transforming Mandarin ASR Research Into Industrial Scale archive 2025-07-28

AISHELL-2 contains 1000 hours of clean read-speech data from iOS is free for academic usage.

Source: AISHELL-2: Transforming Mandarin ASR Research Into Industrial Scale Image Source: https://arxiv.org/pdf/1808.10583v2.pdf

Benchmarks archive 2025-07-28

All 4 leaderboards whose dataset resolves to this page shown (sort by any header). "First row" is the archive's own first row at snapshot, in the archive's row order; nothing here re-ranks and metric direction is not asserted.

First row (archive order)PaperCode
Speech Recognition AISHELL-2 Paraformer-large Word Error Rate (WER) 2.85 FunASR: A Fundamental End-to-End Speech Recognition Toolkit alibaba-damo-academy/FunASR 2 Compare
Speech Recognition AISHELL-2 Test Android Qwen-Audio Word Error Rate (WER) 3.3 Qwen-Audio: Advancing Universal Audio Understanding via... alibaba-damo-academy/FunASR +1 1 Compare
Speech Recognition AISHELL-2 Test IOS Qwen-Audio Word Error Rate (WER) 3.1 Qwen-Audio: Advancing Universal Audio Understanding via... alibaba-damo-academy/FunASR +1 1 Compare
Speech Recognition AISHELL-2 Test Mic Qwen-Audio Word Error Rate (WER) 3.3 Qwen-Audio: Advancing Universal Audio Understanding via... alibaba-damo-academy/FunASR +1 1 Compare

Papers archive 2025-07-28

2 shown of 2 papers with a leaderboard row on this dataset's benchmarks, newest first. The archive's own "papers using this dataset" list was never published, so this is the benchmark-backed subset; the archive's count for this dataset is 75. The Syntology column is from Syntology's graph (read 2026-09-24), stated per sample; it is not part of any archive number.

DateSamples run Syntology
Qwen-Audio: Advancing Universal Audio Understanding via Unified Large-Scale Audio-Language Models 2 3 14 Nov 2023 ran 5 of 7 samples (2 unverified; 7 pointer-only for licence)
FunASR: A Fundamental End-to-End Speech Recognition Toolkit 1 2 18 May 2023 not harvested

Dataset loaders archive 2025-07-28

1 loader as listed in the archive; links are outbound and not re-checked here.

Tasks archive 2025-07-28

License archive 2025-07-28

Custom

Modalities archive 2025-07-28

Languages archive 2025-07-28

Variants archive 2025-07-28

  • AISHELL-2
  • AISHELL-2 Test IOS
  • AISHELL-2 Test Android
  • AISHELL-2 Test Mic

4 variant names, as the archive lists them.

Report a problem or propose a change · a person checks every report against the paper or source before anything changes; decisions are listed on /corrections