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Multi-speaker Automatic Speech Recognition on AMI SDM (test)

22.07tcpWERDM-ASR (S2SND) (CN+EN 2900h)
20.358431.911743.46555.0183Apr 24, 2026May 1, 2026May 9, 2026May 17, 2026May 25, 2026Jun 2, 2026Jun 10, 2026

Evaluation results

MethodLinks
DM-ASR (S2SND) (CN+EN 2900h)Parms=1.7B, Label perturbation=None, Diarization source=diarization-provided speakers, Time prediction=LLM-predicted times2026.0422.0713.7221.265.95———
DM-ASR (DiariZen) (CN+EN 2900h)Parms=1.7B, Label perturbation=None, Diarization source=diarization-provided speakers, Time prediction=LLM-predicted times2026.0424.9714.8323.45————
DM-ASR (DiariZen) (CN+EN 2900h)Parms=0.6B, Label perturbation=None, Diarization source=diarization-provided speakers, Time prediction=LLM-predicted times2026.0425.114.8323.47————
Topline (B2)Label=Tight, Tightening strategy=N/A2026.0625.93———11.837.596.51
Proposed (P2)Label=Loose, Tightening strategy=VAD2026.0626.31———11.887.666.77
DM-ASR (DiariZen) (EN 1600h)Parms=0.6B, Label perturbation=None, Diarization source=diarization-provided speakers, Time prediction=LLM-predicted times2026.0426.614.8325.05————
Proposed (P3)Label=Loose, Tightening strategy=SC2026.0626.68———12.777.556.36
Proposed (P1)Label=Loose, Tightening strategy=Basic2026.0628.21———13.518.476.23
Baseline (B1)Label=Loose, Tightening strategy=N/A2026.0628.3———12.79.056.55
DM-ASR (DiariZen) (EN 630h)Parms=0.6B, Label perturbation=None, Diarization source=diarization-provided speakers, Time prediction=LLM-predicted times2026.0428.914.8326.89————
VibeVoice-ASRParms=7B2026.0429.813.4328.82————
Gemini-2.5-ProParms=-2026.0441.3923.7934.78————
DiariZen + Whisper-large-v3Parms=1.5B2026.0449.0614.6143.91————
Gemini-3.0-ProParms=-2026.0464.8643.0426.91————
Pyannote + Whisper-large-v3Parms=1.5B2026.04—23.0543.57————