692 Windows Media Audio WMA Audio Full Windows Media Audio Format is a subtype of the Advanced Systems Format, developed by Microsoft for storing audio data streams. It comprises a Header Object, which describes the properties of the data streams, a Data Object, which contains the actual data streams stored in Data Packets and, optionally, one or more Index Objects. Audio data is stored using the Windows Media Audio codec, and the format supports streaming across networks. Binary Little-endian (Intel) 01 Dec 2004 1 Digital Preservation Department / The National Archives 11 Mar 2005 02 Aug 2005 audio/x-ms-wma MIME com.microsoft.windows-media-wma Apple Uniform Type Identifier fmt/132 PUID wma File extension asf File extension 81 Windows Media Audio Header Object + Stream Properties Object (stream type = Audio Stream) with WMA Codec ID 1 Absolute from BOF 0 3026B2758E66CF11A6D900AA0062CE6C{12}0102 1 Variable {30}9107DCB7B7A9CF118EE600C00C205365{8}409E69F84D5BCF11A8FD00805F5C442B{38}(6101|6201|6301) Has lower priority than 693 Windows Media Video Has lower priority than 1228 Windows Media Video (WVC1) Has priority over 691 Advanced Systems Format Is subtype of 691 Advanced Systems Format