The following is a list of compression formats and related codecs.
Audio compression formats
Non-compression
Linear pulse-code modulation (LPCM, generally only described as PCM) is the format for uncompressed audio in media files and it is also the standard for CD-DA; note that in computers, LPCM is usually stored in container formats such as WAV, AIFF, or AU, or as raw audio format, although not technically necessary.
FFmpeg
Pulse-density modulation (PDM)
Direct Stream Digital (DSD) is standard for Super Audio CD
foobar2000 Super Audio CD Decoder (based on MPEG-4 DST reference decoder)
FFmpeg (based on dsd2pcm)
Pulse-amplitude modulation (PAM)Lossless compression
Actively used
Most popular
Free Lossless Audio Codec (FLAC)libFLAC
FFmpeg
Apple Lossless Audio Codec...