B_CHANNEL_TOP_BACK_CENTER
{ "Top Back Center", 1, B_CHANNEL_TOP_BACK_CENTER },
{ B_CHANNEL_TOP_BACK_CENTER, B_CHANNEL_SURROUND_BUS },
DECODE(B_CHANNEL_TOP_BACK_CENTER, "Top-Back-Center");
if (channelMask & B_CHANNEL_TOP_BACK_CENTER) {
| B_CHANNEL_TOP_BACK_CENTER | B_CHANNEL_TOP_BACK_RIGHT }
| B_CHANNEL_TOP_BACK_CENTER | B_CHANNEL_TOP_CENTER