[Channel name] Back Center [Identifier] SPEAKER_BACK_CENTER [Index] 8 [Flag] 0x00000100 [1.0 Mono[Note 1]] No [2.0 Stereo[Note 2]] No [3.0 Stereo] No [3.0 Surround] Yes [4.0 Quad] No [5.0] No [5.0 Side[Note 3]] No [6.0] Yes [6.0 Side[Note 3]] Yes [7.0] No [7.0 Side[Note 4]] No [7.0 Surround[Note 3]] No [9.0 Surround] No [11.0 Surround] No [4.0 Surround] 
Yes
Y e s
N o