Answer:
1. Uncompressed audio formats
2. Formats with lossless compression
3. Formats with lossy compression
Explanation:
1. Uncompressed audio formats, such as WAV, AIFF, AU or raw header-less PCM;
2. Formats with lossless compression, such as FLAC, Monkey's Audio (filename extension .ape), WavPack (filename extension .wv), TTA, ATRAC Advanced Lossless, ALAC (filename extension .m4a), MPEG-4 SLS, MPEG-4 ALS, MPEG-4 DST, Windows Media Audio Lossless (WMA Lossless), and Shorten (SHN).
3. Formats with lossy compression, such as Opus, MP3, Vorbis, Musepack, AAC, ATRAC and Windows Media Audio Lossy (WMA lossy).
