AAC (not hi-res): Apple's alternative to MP3 – stands for 'Advanced Audio Coding'. Lossy and compressed, but sounds generally better. Used for Apple Music streaming. ALAC (hi-res): Apple has also ...

ITunes wasn’t born at Apple. It was derived from a digital MP3 player, SoundJam, that was created in the late 1990s by two former Apple employees, Bill Kincaid and Jeff Robbin. After the player ...