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README.md
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---
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license: apache-2.0
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tags:
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- generated_from_trainer
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metrics:
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- wer
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model-index:
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- name: whisper-meidum-ko-normalized-1273h
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results: []
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---
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# whisper-small-ko-normalized-1273h
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This model is a fine-tuned version of [openai/whisper-small](https://huggingface.co/openai/whisper-medium) on a custom dataset for improving Korean speech recognition.
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It achieves the following results on the evaluation set:
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- Loss: 0.1254
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- Wer: 0.0551
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## Model description
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The model was trained to transcript the Korean audio sources into text.
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## Intended uses & limitations
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This model was trained to extend the performance of the original whisper model for Korean transcription task.
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## Training and evaluation data
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I downloaded all data from AI-HUB (https://aihub.or.kr/). Two datasets, in particular, caught my attention: "Instruction Audio Set" and "Noisy Conversation Audio Set".
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Following indicates the hours information for each dastset.
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|dataset name| train_split | validation_split|
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|---|---|---|
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|Instruction Audio Set|910|105|
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|Noisy Conversation Audio Set|363|76|
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## Training procedure
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### Training hyperparameters
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The following hyperparameters were used during training:
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- learning_rate: 1e-05
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- train_batch_size: 32
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- eval_batch_size: 32
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- seed: 42
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- optimizer: Adam with betas=(0.9,0.999) and epsilon=1e-08
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- lr_scheduler_type: linear
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- lr_scheduler_warmup_steps: 100
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- num_epochs: 3
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- mixed_precision_training: Native AMP
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### Training results
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| Training Loss | Epoch | Step | Validation Loss | Wer |
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|:-------------:|:-----:|:-----:|:---------------:|:------:|
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| 0.0588 | 1.0 | 8775 | 0.1225 | 0.0604 |
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| 0.0287 | 2.0 | 17550 | 0.1186 | 0.0567 |
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| 0.0148 | 3.0 | 26325 | 0.1254 | 0.0551 |
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### Framework versions
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- Transformers 4.28.0.dev0
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- Pytorch 1.13.1+cu117
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- Datasets 2.11.0
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- Tokenizers 0.13.2
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