Update app.py
Browse files
app.py
CHANGED
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@@ -60,32 +60,37 @@ def process_audio(input_data, segment_duration=10):
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audio = audio[0]
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segments = segment_audio(audio, sr, segment_duration)
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segment_predictions = []
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eer_threshold = thresh - 5e-3
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for idx, segment in enumerate(segments):
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features = FEATURE_EXTRACTOR(segment, sr)
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features_avg = torch.mean(features, dim=1).cpu().numpy()
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features_avg = features_avg.reshape(1, -1)
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decision_score = classifier.decision_function(features_avg)
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decision_score_scaled = scaler.transform(decision_score.reshape(-1, 1)).flatten()
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decision_value = decision_score_scaled[0]
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pred = 1 if decision_value >= eer_threshold else 0
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if pred == 1:
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confidence_percentage = expit(decision_score).item()
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else:
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confidence_percentage = 1 - expit(decision_score).item()
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segment_predictions.append(pred)
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json_output = json.dumps(output_dict, indent=4)
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print(json_output)
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return json_output
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audio = audio[0]
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segments = segment_audio(audio, sr, segment_duration)
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segment_predictions = []
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confidence_scores = []
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eer_threshold = thresh - 5e-3 # small margin of error
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for idx, segment in enumerate(segments):
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features = FEATURE_EXTRACTOR(segment, sr)
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features_avg = torch.mean(features, dim=1).cpu().numpy().reshape(1, -1)
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decision_score = classifier.decision_function(features_avg)
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decision_score_scaled = scaler.transform(decision_score.reshape(-1, 1)).flatten()
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decision_value = decision_score_scaled[0]
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pred = 1 if decision_value >= eer_threshold else 0
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if pred == 1:
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confidence_percentage = expit(decision_score).item()
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else:
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confidence_percentage = 1 - expit(decision_score).item()
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segment_predictions.append(pred)
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confidence_scores.append(confidence_percentage)
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output_dict = {
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"label": "real" if sum(segment_predictions) > (len(segment_predictions) / 2) else "fake",
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"segments": [
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{
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"segment": idx + 1,
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"prediction": "real" if pred == 1 else "fake",
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"confidence": round(conf * 100, 2)
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}
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for idx, (pred, conf) in enumerate(zip(segment_predictions, confidence_scores))
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]
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}
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json_output = json.dumps(output_dict, indent=4)
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print(json_output)
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return json_output
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