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Course Outline
Foundations of Audio Classification
- Categories of sound events: environmental, mechanical, and human-generated.
- Overview of use cases: surveillance, monitoring, and automation.
- Distinguishing between audio classification, detection, and segmentation.
Audio Data and Feature Extraction
- Types of audio files and their formats.
- Considerations for sampling rate, windowing, and frame size.
- Extraction of MFCCs, chroma features, and mel-spectrograms.
Data Preparation and Annotation
- Working with UrbanSound8K, ESC-50, and custom datasets.
- Annotating sound events and defining temporal boundaries.
- Balancing datasets and applying audio augmentation techniques.
Building Audio Classification Models
- Utilizing convolutional neural networks (CNNs) for audio data.
- Evaluating model inputs: raw waveforms versus extracted features.
- Selecting loss functions, evaluation metrics, and managing overfitting.
Event Detection and Temporal Localization
- Strategies for frame-based and segment-based detection.
- Post-processing detections using thresholds and smoothing techniques.
- Visualizing predictions along audio timelines.
Advanced Topics and Real-Time Processing
- Applying transfer learning in low-data scenarios.
- Deploying models via TensorFlow Lite or ONNX.
- Handling streaming audio processing and managing latency.
Project Development and Application Scenarios
- Designing a complete pipeline from ingestion to classification.
- Developing proof-of-concept solutions for surveillance, quality control, or monitoring.
- Implementing logging, alerting systems, and integration with dashboards or APIs.
Summary and Next Steps
Requirements
- A solid understanding of machine learning concepts and the model training process.
- Proficiency in Python programming and data preprocessing techniques.
- Familiarity with the fundamentals of digital audio.
Target Audience
- Data scientists.
- Machine learning engineers.
- Researchers and developers specializing in audio signal processing.
21 Hours
Custom Corporate Training
Training solutions designed exclusively for businesses.
- Customized Content: We adapt the syllabus and practical exercises to the real goals and needs of your project.
- Flexible Schedule: Dates and times adapted to your team's agenda.
- Format: Online (live), In-company (at your offices), or Hybrid.
Price per private group, online live training, starting from 4800 € + VAT*
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