It has been a recurring feature of consumer audio gear since the first magic eye tube blinked into life, to have some kind of visualization of the sound being played. Most recently this has meant an ...

If you have a Raspberry Pi connected to an LED matrix, you might think about creating a simple oscilloscope. Of course, the Pi isn’t really well-suited for that and neither is an LED matrix, so ...

The LED Matrix Visualizer is a real-time audio visualization tool designed to simulate a flipdot display (84×28 pixels, black & white, ~15 fps). It processes audio from a microphone or uploaded file ...

Waveform Visualizer is a wall-mounted LED display that turns background noise into a clean, oscilloscope-style waveform. Built around a Raspberry Pi Pico 2, it samples a microphone module and renders ...

We've been following the quest for the world's best speakers for some time but remarkably, there's still room for improvement. A key issue that plagues proper sound reproduction (and thus its ...