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README.md
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tags:
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- collator
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---
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#### Adaptive Context-Aware Noise Injection
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Preprocessing pipeline that includes adaptive context-aware noise injection to enhance model robustness. This method dynamically adjusts noise intensity based on the amplitude of the audio signal, ensuring realistic and effective augmentation.
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```python
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## HF transformers
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data_collator = DataCollatorSpeechSeq2SeqWithPadding(
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processor=processor,
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decoder_start_token_id=model.config.decoder_start_token_id,
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apply_augmentation=True, # Enable augmentation
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apply_noise_injection=True # Enable adaptive noise injection
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### pytorch
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data_collator = DataCollatorSpeechSeq2SeqWithPadding(
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apply_augmentation=True,
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apply_noise_injection=True # Enable adaptive noise injection
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)
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dataloader = torch.utils.data.DataLoader(dataset, batch_size=2, shuffle=True, collate_fn=data_collator)
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for batch in dataloader:
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outputs = model(batch)
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tags:
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- collator
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---
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## Dynamic Audio Data Augmentation
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Key Benefits
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Enhanced Robustness: By varying spectrogram parameters and injecting realistic noise, our models learn to handle a wide range of audio conditions.
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Low Overhead: The augmentation is integrated into the existing pipeline, ensuring minimal additional computational cost.
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On-the-Fly Spectrogram Parameter Adjustment:
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n_fft and hop_length: Values for n_fft and hop_length are randomly selected from predefined ranges for each audio sample, providing varied spectrogram representations.
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Log-Mel Modulation:
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### On-the-Fly Spectrogram Parameter Adjustment:
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n_fft and hop_length: Values for n_fft and hop_length are randomly selected from predefined ranges for each audio sample, providing varied spectrogram representations.
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### Log-Mel Modulation:
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Augmentation process integrates with the existing log-Mel spectrogram calculation. This means we modulate the parameters of the log-Mel spectrogram dynamically, ensuring no additional overhead is introduced while providing effective data augmentation.
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### Efficiency and Performance
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Log-Mel Spectrogram Manipulation:
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Augmentation process seamlessly integrates into the existing log-Mel spectrogram calculation, adding no extra overhead. This efficient design ensures that our preprocessing remains computationally lightweight and fast.
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#### Adaptive Context-Aware Noise Injection
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Preprocessing pipeline that includes adaptive context-aware noise injection to enhance model robustness. This method dynamically adjusts noise intensity based on the amplitude of the audio signal, ensuring realistic and effective augmentation.
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```python
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## HF transformers or pure pytorch
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data_collator = DataCollatorSpeechSeq2SeqWithPadding(
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processor=processor,
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decoder_start_token_id=model.config.decoder_start_token_id,
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apply_augmentation=True,
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apply_noise_injection=True # Enable adaptive noise injection
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)
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dataloader = torch.utils.data.DataLoader(dataset, batch_size=2, shuffle=True, collate_fn=data_collator)
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for batch in dataloader:
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outputs = model(batch)
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