Table 3. CER and relative CER reduction of various evaluation sets
Evaluation set
Whisper model
large-v2
Model A
Model B
KsponSpeech eval set
13.95
9.44 (32.33)
9.17
(34.26)
LibriSpeech test-clean
1.77
1.19
(32.77)
1.33 (24.86)
LibriSpeech test-other
2.86
2.87 (–0.35)
3.39 (–18.53)
CER, character error rate.