This spectrum analyzer takes an audio signal from an iPod, phone, or CD player through a 3.5 mm jack and displays the level for dozens of frequency bands much like an audio visualizer in iTunes or ...

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 ...

handle the user interface and visualization. After an audio file is dragged and dropped in the drop zone, the AudioContext in the Web Audio API analyzes the audios frequency spectrum in real time ...