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Paraformer-Large

Beachmark Results

AISHELL-1

  • Decode config:
  • Decode without CTC
  • Decode without LM
CER(%) Pretrain model Finetune model
dev 1.75 1.62
test 1.95 1.78

AISHELL-2

  • Decode config:
  • Decode without CTC
  • Decode without LM
CER(%) Pretrain model Finetune model
dev_ios 2.80 2.60
test_android 3.13 2.84
test_ios 2.85 2.82
test_mic 3.06 2.88

Wenetspeech

  • Decode config:
  • Decode without CTC
  • Decode without LM
testset CER(%)
dev 3.57
test 6.97
test_net 6.74

SpeechIO TIOBE

  • Decode config 1:
  • Decode without CTC
  • Decode without LM
  • With text norm
  • Decode config 2:
  • Decode without CTC
  • Decode with Transformer-LM
  • LM weight: 0.15
  • With text norm
testset w/o LM w/ LM
SPEECHIO_ASR_ZH00001 0.49 0.35
SPEECHIO_ASR_ZH00002 3.23 2.86
SPEECHIO_ASR_ZH00003 1.13 0.80
SPEECHIO_ASR_ZH00004 1.33 1.10
SPEECHIO_ASR_ZH00005 1.41 1.18
SPEECHIO_ASR_ZH00006 5.25 4.85
SPEECHIO_ASR_ZH00007 5.51 4.97
SPEECHIO_ASR_ZH00008 3.69 3.18
SPEECHIO_ASR_ZH00009 3.02 2.78
SPEECHIO_ASR_ZH000010 3.35 2.99
SPEECHIO_ASR_ZH000011 1.54 1.25
SPEECHIO_ASR_ZH000012 2.06 1.68
SPEECHIO_ASR_ZH000013 2.57 2.25
SPEECHIO_ASR_ZH000014 3.86 3.08
SPEECHIO_ASR_ZH000015 3.34 2.67

Fine-tuning Results

Fine-tuning

  • Train config:
  • Training data: aishell-1
  • Training info: lr 0.0002, dataset_type: small, batch bins 2000, 2 gpu, acc_grad 1, 20 epochs
  • Decoding info: beam_size 1, average_num 10
model dev cer(%) test cer(%)
Pretrain 1.75 1.95
Full-tuning 1.62 1.78
  • Train config:
  • Training data: 16k sichuan dialect
  • Training info: lr 0.0002, dataset_type: small, batch bins 2000, 2 gpu, acc_grad 1, 20 epochs
  • Decoding info: beam_size 1, average_num 10
model Training Data(h) common cer(%) sichuan cer(%)
Pretrain 8.57 19.81
Full-tuning 50 8.8 12
100 9.24 11.63
200 9.82 10.47
300 9.95 10.44
1000 9.99 9.78

Lora Fine-tuning

  • Train config:
  • Training data: 16k sichuan dialect
  • Training info: lr 0.0002, dataset_type: small, batch bins 2000, 2 gpu, acc_grad 1, 20 epochs
  • Lora info: lora_bias: "all", lora_list ['q','v'], lora_rank:8, lora_alpha:16, lora_dropout:0.1
  • Decoding info: beam_size 1, average_num 10
model Training Data(h) Trainable Parameters(M) Memory Usage(G) common cer(%) sichuan cer(%)
Pretrain 8.57 19.81
Full-tuning 50 220.9 15 8.8 12
Lora Finetune 50 2.29 7 9.13 12.13
Full-tuning 200 220.9 15 9.82 10.47
Lora Finetune 200 2.29 7 9.21 11.28