EBUAudioChannelPurposeCode Complete Main [CM] This is the main audio channel Built from EBU Tech 3285 - Broadcast Wave Format 2009-10-14 1 Original language 2009-10-14 1 Dubbing 2009-10-14 1 Music and Effects [ME] This audio channel reserved for music, including background music, and effects Built from EBU Tech 3285 - Broadcast Wave Format 2009-10-14 1 Visually Impaired [VI] This audio channel contains additional descriptive information to the attention of a visually impaired audience Built from EBU Tech 3285 - Broadcast Wave Format 2009-10-14 1 Hearing Impaired [HI] This audio channel provides louder or background noise free audio, optionally with additional descriptive information, for a hearing impaired audience Built from EBU Tech 3285 - Broadcast Wave Format 2009-10-14 1 Dialog [D] This audio channel conveys only the dialogs Built from EBU Tech 3285 - Broadcast Wave Format 2009-10-14 1 Commentary [C] This audio channel conveys an additional commentary track Built from EBU Tech 3285 - Broadcast Wave Format 2009-10-14 1 Emergency [E] This audio channel is reserved for emergency announcements Built from EBU Tech 3285 - Broadcast Wave Format 2009-10-14 1 Voice Over [VO] This audio channel conveys and additional optional voice over track Built from EBU Tech 3285 - Broadcast Wave Format 2009-10-14 1 Karaoke This audio channel is used for karaoke specific applications Built from EBU Tech 3285 - Broadcast Wave Format 2009-10-14 1