Learn in the textbookDigital Representation of Audio and File Formats
DefinitionAAC is a lossy compression audio format developed after MP3 that tends to keep better sound quality than MP3 at the same data size.
ExplanationIts name stands for Advanced Audio Coding, and it was defined as part of the MPEG-2 and MPEG-4 standards. It is used in music streaming services, smartphones, and the audio of digital broadcasting.
AnalogyIt is like an improved packing tool: at the same weight, it lets you keep more of the contents.