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wav2vec2-xls-r-300m_phoneme-mfa_korean

This model is a fine-tuned version of facebook/wav2vec2-xls-r-300m on a phonetically balanced native Korean read-speech corpus.

• Model Management by: excalibur12

Training and Evaluation Data

Training Data

• Data Name: Phonetically Balanced Native Korean Read-speech Corpus
• Num. of Samples: 54,000 (540 speakers)
• Audio Length: 108 Hours

Evaluation Data

• Data Name: Phonetically Balanced Native Korean Read-speech Corpus
• Num. of Samples: 6,000 (60 speakers)
• Audio Length: 12 Hours

Training Hyperparameters

The following hyperparameters were used during training:

• learning_rate: 0.0001
• train_batch_size: 8
• eval_batch_size: 8
• seed: 42
• gradient_accumulation_steps: 2
• total_train_batch_size: 16
• optimizer: Adam with betas=(0.9,0.999) and epsilon=1e-08
• lr_scheduler_type: linear
• lr_scheduler_warmup_ratio: 0.2
• num_epochs: 20 (EarlyStopping: patience: 5 epochs max)
• mixed_precision_training: Native AMP

Evaluation Results

• <b>Phone Error Rate 3.88%</b>
• Monophthong-wise Error Rates: (To be posted)

Output Examples

MFA-IPA Phoneset Tables

Vowels

Consonants

Experimental Results

Official implementation of the paper (ICPhS 2023)
Major error patterns of L2 Korean speech from five different L1s: Chinese (ZH), Vietnamese (VI), Japanese (JP), Thai (TH), English (EN)

Framework versions

• Transformers 4.21.3
• Pytorch 1.12.1
• Datasets 2.4.0
• Tokenizers 0.12.1