WAV (Waveform Audio File Format). WAV is a music file format capable of storing Linear PCM audio (the digital encoding format used on compact discs) in completely uncompressed form. Ripping a CD and storing it as an uncompressed WAV results in “bit perfect” storage; the ripped music file is identical to the original CD data package. WAV files can also store high-resolution music files at greater bit depths and sampling rates than CD’s 16-bit/44.1kHz resolution. Uncompressed WAV files can be ripped and played back in iTunes and are very high quality. However, they do take up more hard drive storage space then AAC, MP3, or Apple Lossless. WAV files have one notable limitation- they do not support attached metadata tagging. Things like album art, song titles and other convenience features that enhance music library management and playback will be lost in subsequent generations (backups).
From: https://www.audioquest.com/theory-education/article/100-computer-audio-file-formats/
From: https://www.audioquest.com/theory-education/article/100-computer-audio-file-formats/