Generative AI
3 bite-size cards · 60 seconds each
Learn the key ideas, practical uses, and latest developments around Generative AI through concise, beginner-friendly explainers.
Guitar company D’Addario admits that AI music was used in a promotional video
D’Addario has acknowledged that its promotional video used music generated with Suno, an AI music service. The admission puts a familiar brand in a growing debate over transparency, creative labor, and whether audiences should be told when branded content includes AI-generated audio.
What is Generative AI?
Generative AI creates new content — text, images, audio, video, code — rather than just classifying or analyzing existing data. ChatGPT writing essays, Midjourney producing images from descriptions, and GitHub Copilot completing code are all generative AI systems, powered by models trained to produce novel outputs.
How Diffusion Models Generate Images: From Noise to Coherent Pictures
Generative image models like Stable Diffusion, DALL-E, and Midjourney don't paint — they denoise. The model learns to reverse a gradual noise-adding process, starting from pure random noise and iteratively refining it into a coherent image guided by a text prompt. The mechanism is surprisingly elegant.
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