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Speech Recognition on LRS2 (test)

1.3WERWhisper-Flamingo
-1.46417.19335.8554.507Sep 28, 2018Dec 22, 2019Mar 17, 2021Jun 11, 2022Sep 4, 2023Nov 28, 2024Feb 22, 2026

Evaluation results

MethodLinks
Whisper-FlamingoLabelled hours=680,000, Unlabelled hours=-, Lang. model=Yes, Shared params=No, Training Protocol=Supervised2026.021.3——
USR 2.0Labelled hours=656, Unlabelled hours=2,649, Lang. model=No, Shared params=Yes, Training Protocol=Self/semi-supervised2026.021.3——
Auto-AVSRLabelled hours=3,448, Language model=true, Shared params=false2024.111.5——
Auto-AVSRLabelled hours=3,448, Unlabelled hours=-, Lang. model=Yes, Shared params=No, Training Protocol=Supervised2026.021.5——
USRLabelled hours=223, Unlabelled hours=1,759, Language model=true, Shared params=true2024.111.9——
USRLabelled hours=223, Unlabelled hours=1,759, Lang. model=Yes, Shared params=Yes, Training Protocol=Self/semi-supervised2026.021.9——
USRLabelled hours=223, Unlabelled hours=1,759, Language model=false, Shared params=true2024.112——
RAVEn (Large) w/ self-trainingEncoder=Transformer, LM=false, Unlab hours=1,759, Lab hours=223, Supervision regime=self-supervised2022.122.3——
RAVEn (Large) w/ self-trainingEncoder=Transformer, LM=true, Unlab hours=1,759, Lab hours=223, Supervision regime=self-supervised2022.122.3——
RAVEn w/ STLabelled hours=223, Unlabelled hours=1,759, Language model=true, Shared params=false2024.112.3——
RAVEn w/ STLabelled hours=223, Unlabelled hours=1,759, Lang. model=Yes, Shared params=No, Training Protocol=Self/semi-supervised2026.022.3——
RAVEn (Large)Encoder=Transformer, LM=false, Unlab hours=1,759, Lab hours=223, Supervision regime=self-supervised2022.122.5——
RAVEnLabelled hours=223, Unlabelled hours=1,759, Language model=false, Shared params=false2024.112.5——
RAVEnLabelled hours=223, Unlabelled hours=1,759, Lang. model=No, Shared params=No, Training Protocol=Self/semi-supervised2026.022.5——
Auto-AVSRLabelled hours=818, Language model=true, Shared params=false2024.112.6——
Auto-AVSRLabelled hours=818, Unlabelled hours=-, Lang. model=Yes, Shared params=No, Training Protocol=Supervised2026.022.6——
Our ModelLanguage Model=None2022.022.7——
Pan et al. (2022)Encoder=Transformer, LM=false, Unlab hours=60,000, Lab hours=223, Supervision regime=self-supervised2022.122.7——
Uni-AVSRLabelled hours=223, Unlabelled hours=60,000, Language model=false, Shared params=false2024.112.7——
Uni-AVSRLabelled hours=223, Unlabelled hours=60,000, Lang. model=No, Shared params=No, Training Protocol=Self/semi-supervised2026.022.7——
E2E ConformerLanguage Model=Powerful Transformer2022.023.9——
Ma et al. (2021b)Encoder=Conformer, LM=true, Lab hours=380, Supervision regime=supervised2022.123.9——
RAVEn (Base)Encoder=Transformer, LM=false, Unlab hours=433, Lab hours=223, Supervision regime=self-supervised2022.123.9——
CM-seq2seqLabelled hours=380, Language model=true, Shared params=false2024.113.9——
CM-seq2seqLabelled hours=380, Unlabelled hours=-, Lang. model=Yes, Shared params=No, Training Protocol=Supervised2026.023.9——
LF-MMI TDNNLanguage Model=External2022.026.7——
Yu et al. (2020)Encoder=CNN, LM=true, Lab hours=223, Supervision regime=supervised2022.126.7——
LF-MMI TDNNModality=Audio-only2020.016.71——
hybrid CTC/attention architectureStream=Audio + Video (A + V), Fusion strategy=Early Fusion, Visual frame rate=50 fps, Audio frame rate=50 fps2018.0973.6—
ClozeGERBackbone=LLaMA-2-7b, Source Speech=false, LoRA=true, Logits Calibration=true, Post-processing=true2024.057.4—3,980
ClozeGERBackbone=SpeechGPT, Source Speech=true, LoRA=true, Logits Calibration=true, Post-processing=true2024.057.6—3,820
Afouras et al.Stream=Audio + Video (A + V), Pre-training=non-publicly available dataset2018.098.2——
CTC/attentionLanguage Model=External2022.028.2——
hybrid CTC/attention architectureStream=Audio-only (A), Audio frame rate=100 fps2018.098.34.4—
CTC/AttentionModality=Audio-only2020.018.3——
Petridis et al. (2018)Encoder=LSTM, LM=true, Lab hours=380, Supervision regime=supervised2022.128.3——
hybrid CTC/attention architectureStream=Audio + Video (A + V), Fusion strategy=Late Fusion, Visual frame rate=50 fps, Audio frame rate=50 fps2018.098.54.7—
Afouras et al.Stream=Audio-only (A), Pre-training=non-publicly available dataset2018.099.7——
TM-seq2seqLanguage Model=External2022.029.7——
TM-CTCLanguage Model=External2022.0210.1——
CE TDNNModality=Audio-only2020.0110.17——
TM-Seq2seqModality=Audio-only2020.0110.5——
Whisper Baseline2024.0512.3——
TM-CTCModality=Audio-only2020.0115.3——
Method [30]Stream=Audio-only (A)2018.0929.914.3—
Method [30]Stream=Audio + Video (A + V)2018.0930.514.1—
Afouras et al.Stream=Video-only (V), Pre-training=non-publicly available dataset2018.0950——
hybrid CTC/attention architectureStream=Video-only (V), Visual frame rate=50 fps2018.0963.542.1—
Method [15]Stream=Video-only (V)2018.0970.4——