Explore the fascinating world of bucket brigade delay (BBD) circuits in this 45-minute video tutorial. Delve into the ingenious solution developed by engineers Sangster and Teer for creating delayed sound duplicates without digital signal processing. Learn how to reverse engineer a classic BBD architecture, recreate a basic version on a breadboard, and design a simple DIY audio delay using a BBD chip. Follow along with a comprehensive bill of materials and step-by-step explanations covering analog sampling, sample transfer, buffering, reconstruction, and more. Gain hands-on experience in building your own delay effects and understand the principles behind this revolutionary circuit that transformed audio processing.