Recommendation ITU-R BR.1384 specifies the track assignment, recording characteristics and level alignment for multi-channel audio sound recordings.
ITU-R BR.1384-1-2005 history
2011ITU-R BR.1384-2011 Parameters for international exchange of multi-channel sound recordings with or without accompanying picture
2005ITU-R BR.1384-1-2005 Parameters for International Exchange of Multi-Channel Sound Recordings with or without Accompanying Picture
ITU-R BR.1384-1-2005 Parameters for International Exchange of Multi-Channel Sound Recordings with or without Accompanying Picture was changed to ITU-R BR.1384-2011 Parameters for international exchange of multi-channel sound recordings with or without accompanying picture.