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Model: kresnik/wav2vec2-large-xlsr-korean Source: Original Platform
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README.md
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README.md
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---
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language: ko
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datasets:
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- kresnik/zeroth_korean
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tags:
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- speech
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- audio
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- automatic-speech-recognition
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license: apache-2.0
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model-index:
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- name: 'Wav2Vec2 XLSR Korean'
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results:
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- task:
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name: Automatic Speech Recognition
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type: automatic-speech-recognition
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dataset:
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name: Zeroth Korean
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type: kresnik/zeroth_korean
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args: clean
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metrics:
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- name: Test WER
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type: wer
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value: 4.74
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- name: Test CER
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type: cer
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value: 1.78
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---
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## Evaluation on Zeroth-Korean ASR corpus
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[Google colab notebook(Korean)](https://colab.research.google.com/github/indra622/tutorials/blob/master/wav2vec2_korean_tutorial.ipynb)
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```
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from transformers import Wav2Vec2ForCTC, Wav2Vec2Processor
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from datasets import load_dataset
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import soundfile as sf
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import torch
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from jiwer import wer
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processor = Wav2Vec2Processor.from_pretrained("kresnik/wav2vec2-large-xlsr-korean")
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model = Wav2Vec2ForCTC.from_pretrained("kresnik/wav2vec2-large-xlsr-korean").to('cuda')
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ds = load_dataset("kresnik/zeroth_korean", "clean")
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test_ds = ds['test']
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def map_to_array(batch):
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speech, _ = sf.read(batch["file"])
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batch["speech"] = speech
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return batch
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test_ds = test_ds.map(map_to_array)
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def map_to_pred(batch):
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inputs = processor(batch["speech"], sampling_rate=16000, return_tensors="pt", padding="longest")
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input_values = inputs.input_values.to("cuda")
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with torch.no_grad():
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logits = model(input_values).logits
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predicted_ids = torch.argmax(logits, dim=-1)
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transcription = processor.batch_decode(predicted_ids)
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batch["transcription"] = transcription
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return batch
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result = test_ds.map(map_to_pred, batched=True, batch_size=16, remove_columns=["speech"])
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print("WER:", wer(result["text"], result["transcription"]))
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```
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### Expected WER: 4.74%
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### Expected CER: 1.78%
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