CoreAudio watchOS 4.3 to 5.0 API Differences
CoreAudioTypes.h
Added
kAudioChannelLabel_BinauralLeft
Added
kAudioChannelLabel_BinauralRight
Added
kAudioChannelLabel_BeginReserved
Added
kAudioChannelLabel_EndReserved
Added
kAudioChannelLayoutTag_BeginReserved
Added
kAudioChannelLayoutTag_EndReserved