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Data Augmentation with Python

You're reading from   Data Augmentation with Python Enhance deep learning accuracy with data augmentation methods for image, text, audio, and tabular data

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Product type Paperback
Published in Apr 2023
Publisher Packt
ISBN-13 9781803246451
Length 394 pages
Edition 1st Edition
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Author (1):
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Duc Haba Duc Haba
Author Profile Icon Duc Haba
Duc Haba
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Toc

Table of Contents (17) Chapters Close

Preface 1. Part 1: Data Augmentation
2. Chapter 1: Data Augmentation Made Easy FREE CHAPTER 3. Chapter 2: Biases in Data Augmentation 4. Part 2: Image Augmentation
5. Chapter 3: Image Augmentation for Classification 6. Chapter 4: Image Augmentation for Segmentation 7. Part 3: Text Augmentation
8. Chapter 5: Text Augmentation 9. Chapter 6: Text Augmentation with Machine Learning 10. Part 4: Audio Data Augmentation
11. Chapter 7: Audio Data Augmentation 12. Chapter 8: Audio Data Augmentation with Spectrogram 13. Part 5: Tabular Data Augmentation
14. Chapter 9: Tabular Data Augmentation 15. Index 16. Other Books You May Enjoy

Summary

Audio augmentation is challenging to explain in a book format. Still, we gain a deeper understanding of audio amplitude, frequency, and sampling rate with additional visualization techniques, such as the audio Spectrogram, Mel-spectrogram, and Chroma STFT. Furthermore, in the Python Notebook, you can listen to the before-and-after effects of the audio augmentation.

Compared to the previous chapter, Waveform graphs show the amplitude of a signal over time, giving an understanding of its shape and structure. Spectrogram graphs show a visual representation of the frequencies of a signal over time, providing a deeper insight into the harmonic content of the sound.

An Audio Spectrogram comes in many variations, whether color mapping, window filtering, spectrum sides, magnitude mode, or frequency scale, among many more in the underlying Matplotlib specgram() function. Pluto uses Python code in wrapper functions on a few Spectrogram types. The majority of Spectrogram variations...

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