| Platform SDK: Broadcast Architecture | 
The AudioSubchannel property sets or retrieves the audio subchannel for a device. An audio subchannel is used to transmit a secondary audio stream, such as a foreign language translation or a censored version of a multimedia soundtrack. Visual Basic syntax is shown.
object.AudioSubchannel [ = lSubChannel ]
  Windows NT/2000: Unsupported.
  Windows 95/98: Requires Windows 98.
  Header: Declared in vidsvr.odl.
  Import Library: Included as a resource in vid.ocx.
BPCDeviceBase, BPCDeviceBase.DefaultAudioType, BPCDeviceBase.VideoSubchannel