Meet the audio file formats

There are a lot of audio file formats. Here are the ones you encounter most commonly. Analog formats Recorded sound consists of fluctuations in electrical current coming off of a microphone or mixing desk. Before computers, you translated that current into tiny smooth wiggles in the shape of the groove cut into a vinyl record, or …

Digital audio basics

Before you can understand how digital audio works, you need to know a few things about the physics of sound. This animation shows a sound wave emanating through the air from a circular source — imagine that it’s a drum or cymbal. As you can see, sound is a wave, like a ripple in a …