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Speaker Diarization research benchmarks – Page 4 · SOTA2 Research

Speaker Diarization

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

Simulated mixtures beta=3, overlap ratio 19.1%

14.36DER

3

Feb 26, 2026

Simulated mixtures beta=2, overlap ratio 27.3%

12.28DER

3

Feb 26, 2026

VoxCeleb2 (held-out)

Echo (VBx-only)

3.84Predicted K

2

Jun 2, 2026

CALLHOME American English 2-speaker (CH-109) (eval)

d-vector + spectral

5.97Confusion

2

Feb 26, 2026

0.24Diarization Error Rate

2

Feb 26, 2026

27.1DER

2

Feb 26, 2026

Synthetic VoxCeleb2 2-spk

15DER

1

Jun 2, 2026

CALLHOME part 2

28.5DER

1

Jun 2, 2026

18.8DER

1

Jun 2, 2026

8.07DER

1

Jun 2, 2026

Simulated 2-spk mixtures

2.69DER

1

Jun 2, 2026

DL Sprint 4.0 (Private test)

Bangla-WhisperDiar

26.133DER (%)

1

May 12, 2026

DL Sprint 4.0 (Public test)

Bangla-WhisperDiar

18.518DER

1

May 12, 2026

0.183DER (%)

1

Feb 26, 2026

31.5DER

1

Feb 26, 2026

Page 4 of 4

Popular datasets

AMI CALLHOME DIHARD AliMeeting VoxConverse

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