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Update README.md

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@@ -132,22 +132,31 @@ test_dataset = test_dataset.map(speech_file_to_array_fn)
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  # Preprocessing the datasets.
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  # We need to read the audio files as arrays
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  def evaluate(batch):
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- inputs = processor(batch["speech"], sampling_rate=16_000, return_tensors="pt", padding=True)
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- with torch.no_grad():
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- logits = model(inputs.input_values.to(DEVICE), attention_mask=inputs.attention_mask.to(DEVICE)).logits
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- pred_ids = torch.argmax(logits, dim=-1)
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- batch["pred_strings"] = processor.batch_decode(pred_ids)
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- return batch
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  result = test_dataset.map(evaluate, batched=True, batch_size=8)
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- print("WER: {:2f}".format(100 * wer.compute(predictions=result["pred_strings"], references=result["sentence"], chunk_size=1000)))
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- print("CER: {:2f}".format(100 * cer.compute(predictions=result["pred_strings"], references=result["sentence"], chunk_size=1000)))
 
 
 
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  ```
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  **Test Result**:
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- - WER: 10.07%
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- - CER: 3.04%
 
 
 
 
 
 
 
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  # Preprocessing the datasets.
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  # We need to read the audio files as arrays
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  def evaluate(batch):
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+ \tinputs = processor(batch["speech"], sampling_rate=16_000, return_tensors="pt", padding=True)
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+ \twith torch.no_grad():
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+ \t\tlogits = model(inputs.input_values.to(DEVICE), attention_mask=inputs.attention_mask.to(DEVICE)).logits
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+ \tpred_ids = torch.argmax(logits, dim=-1)
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+ \tbatch["pred_strings"] = processor.batch_decode(pred_ids)
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+ \treturn batch
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  result = test_dataset.map(evaluate, batched=True, batch_size=8)
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+ predictions = [x.upper() for x in result["pred_strings"]]
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+ references = [x.upper() for x in result["sentence"]]
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+
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+ print(f"WER: {wer.compute(predictions=predictions, references=references, chunk_size=1000) * 100}")
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+ print(f"CER: {cer.compute(predictions=predictions, references=references, chunk_size=1000) * 100}")
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  ```
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  **Test Result**:
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+ My model may report better scores than others because of some specificity of my evaluation script, so I ran the same evaluation script on other models (on 2021-04-22) to make a fairer comparison.
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+
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+ | Model | WER | CER |
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+ | ------------- | ------------- | ------------- |
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+ | jonatasgrosman/wav2vec2-large-xlsr-53-spanish | **10.07%** | **3.04%** |
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+ | pcuenq/wav2vec2-large-xlsr-53-es | 10.55% | 3.20% |
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+ | facebook/wav2vec2-large-xlsr-53-spanish | 16.99% | 5.40% |
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+ | mrm8488/wav2vec2-large-xlsr-53-spanish | 19.20% | 5.96% |