nac preset 24_2_1 0
nac file select left-channel_24kHz_left_48kbps_10ms.lc3 0 0 0
nac file select left-channel_24kHz_left_48kbps_10ms.lc3 0 0 1
nac broadcast_name broadcast1 0

nac preset 24_2_1 1
nac file select right-channel_24kHz_left_48kbps_10ms.lc3 1 0 0
nac file select right-channel_24kHz_left_48kbps_10ms.lc3 1 0 1
nac broadcast_name broadcast2 1

nac start 