defaults.pcm.rate_converter "speexrate_best" pcm.!default { type plug slave.pcm dragon } ctl.!default { type hw card v15 } pcm.dragon { type asym playback.pcm { type dmix ipc_key 1428301 ipc_perm 0660 ipc_gid audio slave { channels 2 pcm { type hw card v15 format S24_3LE rate 96000 } #period_size 1024 #buffer_size 8192 } } }