Audio Format Codes

Compressed

Format	Description
`mp4a`	AAC
`ac-3`	Dolby Digital, AC-3
`ima4`	ADPCM
`ADTS`	Audio Data Transport Stream
`aes3`	AES/EBU
`alaw`	A-law
`alac`	Apple Lossless
`samr`	Adaptive Multi-Rate Narrow Band
`sawb`	Adaptive Multi-Rate Wide Band
`dlbe`	Dolby E
`dts`	DTS
`dtsc`	DTS Core
`dtsh`	DTS-HD
`dtse`	DTS-HD Low Bit Rate
`dtsl`	DTS-HD Lossless
`udts`	DTS-UHD
`dtsx`	DTS-UHD Profile 2
`dtsy`	DTS-UHD Profile 3
`drm`	Protected Audio
`ec-3`	Dolby Digital Plus, EAC-3
`flac`	Free Lossless Audio Codec
`iab`	Immersive Audio Bitstream
`.mp3`	MPEG Audio Layer 3
`mpga`	MPEG Audio
`als`	MPEG-4 Audio Lossless Coding (ALS)
`ulaw`	μ-law
`302m`	SMPTE 302M
`331m`	SMPTE 331M
`s337`	SMPTE ST 337
`vorb`	Vorbis
`WMA1`	Windows Media Audio 7/8
`WMA2`	Windows Media Audio 9
`WMAP`	Windows Media Audio 9/10 Professional
`WMAL`	Windows Media Audio 9 Lossless
`WMAS`	Windows Media Audio 9 Voice

Format	Description
`fi32`	PCM, 32-Bit Fixed Point
`fl32`	PCM, 32-Bit Big-Endian Floating Point
`23lf`	PCM, 32-Bit Little-Endian Floating Point
`fl64`	PCM, 64-Bit Big-Endian Floating Point
`46lf`	PCM, 64-Bit Little-Endian Floating Point
`int8`	PCM, 8-Bit Signed Integer
`twos`	PCM, 16-Bit Big-Endian Signed Integer
`sowt`	PCM, 16-Bit Little-Endian Signed Integer
`in20`	PCM, 20-Bit Big-Endian Signed Integer
`02ni`	PCM, 20-Bit Little-Endian Signed Integer
`in24`	PCM, 24-Bit Big-Endian Signed Integer
`42ni`	PCM, 24-Bit Little-Endian Signed Integer
`in32`	PCM, 32-Bit Big-Endian Signed Integer
`23ni`	PCM, 32-Bit Little-Endian Signed Integer
`raw`	PCM, 8-Bit Unsigned Integer
`u16b`	PCM, 16-Bit Big-Endian Unsigned Integer
`u16l`	PCM, 16-Bit Little-Endian Unsigned Integer
`u24b`	PCM, 24-Bit Big-Endian Unsigned Integer
`u24l`	PCM, 24-Bit Little-Endian Unsigned Integer
`u32b`	PCM, 32-Bit Big-Endian Unsigned Integer
`u32l`	PCM, 32-Bit Little-Endian Unsigned Integer