MPEG-A is a group of standards for composing MPEG systems formally known as ISO/IEC 23000 - Multimedia Application Format, published since 2007.[1][2][3]
MPEG-A consists of 20 parts, including:
MPEG-A Part 1: Purpose for multimedia application formats
MPEG-A Part 2: MPEG music player application format
MPEG-A Part 3: MPEG photo player application format
MPEG-A Part 4: Musical slide show application format
MPEG-A Part 5: Media streaming application format
MPEG-A Part 6: Professional archival application format
MPEG-A Part 17: Multiple sensorial media application format
MPEG-A Part 18: Media linking application format
MPEG-A Part 19: Common media application format (CMAF) for segmented media (MPEG CMAF),[4] – a media application format for ABR (adaptive bitrate) media