DECODE
DECODE(B_CHANNEL_LEFT, "Left");
DECODE(B_CHANNEL_RIGHT, "Right");
DECODE(B_CHANNEL_CENTER, "Center");
DECODE(B_CHANNEL_SUB, "Sub");
DECODE(B_CHANNEL_REARLEFT, "Rear-Left");
DECODE(B_CHANNEL_REARRIGHT, "Rear-Right");
DECODE(B_CHANNEL_FRONT_LEFT_CENTER, "Front-Left-Center");
DECODE(B_CHANNEL_FRONT_RIGHT_CENTER, "Front-Right-Center");
DECODE(B_CHANNEL_BACK_CENTER, "Back-Center");
DECODE(B_CHANNEL_SIDE_LEFT, "Side-Left");
DECODE(B_CHANNEL_SIDE_RIGHT, "Side-Right");
DECODE(B_CHANNEL_TOP_FRONT_LEFT, "Top-Front-Left");
DECODE(B_CHANNEL_TOP_FRONT_CENTER, "Top-Front-Center");
DECODE(B_CHANNEL_TOP_FRONT_RIGHT, "Top-Front-Right");
DECODE(B_CHANNEL_TOP_BACK_LEFT, "Top-Back-Left");
DECODE(B_CHANNEL_TOP_BACK_CENTER, "Top-Back-Center");
DECODE(B_CHANNEL_TOP_BACK_RIGHT, "Top-Back-Right");
DECODE(B_CHANNEL_MONO, "Mono");