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Effects of spectrogram pre-processing for audio classification
How spectrogram pre-processing choices change the accuracy of an audio emotion classifier, written up on Medium.
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Adding noise to audio data
Mixing white and real-world noise into audio clips at a chosen SNR, with examples you can listen to.
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Value functions
Working through state and action value functions on a small grid world.
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Introduction to reinforcement learning
Notes on the basic ideas of reinforcement learning: agents, environments, rewards.
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Fairy rings
Why mushrooms sometimes grow in near-perfect circles, and the folklore behind it.