13.7.2 - Real-Time Denoising Techniques
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Practice Questions
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What is median filtering used for?
💡 Hint: Think about how the median value can provide a better representation of a set of numbers.
What does Wiener filtering minimize?
💡 Hint: Consider the implications of accuracy in signal processing.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of Wiener filtering?
💡 Hint: Think about how we can make estimates more accurate.
True or False: Median filtering works best for removing Gaussian noise.
💡 Hint: Consider the types of noise commonly encountered in signals.
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Challenge Problems
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Consider an audio signal disturbed by random noise. Describe how you would use both median and Wiener filtering to enhance the signal. What advantages does each bring?
💡 Hint: Think about the nature of the noise and how each filtering technique addresses it.
Using MATLAB, create a functional code snippet for real-time audio denoising utilizing both median and Wiener filters. Explain your choice of parameters.
💡 Hint: Consider the balance between timing and filter effectiveness for real-time processing.
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