axfer-list man page
axfer-list — dump lists of available sound devices and nodes to transfer audio data frame.
axfer list direction target
direction = capture | playback
target = device | pcm
The list subcommand of axfer dumps lists of available nodes to transfer audio data frame. At present, the subcommand is helpful just for libasound backend of transfer subcommand.
Operates for capture transmission.
Operates for playback transmission.
Dumps a list of all soundcards and digital audio devices available in libasound backend for tranfer subcommand.
Dumps a list of all PCM nodes available in alsa-lib configuration space in libasound backend for transfer subcommand.
Compatibility to Aplay
Options of -l , --list-devices are handled as device operation. Options of -L , --list-pcms are handled as pcm operation.
axfer(1), axfer-transfer(1), alsamixer(1), amixer(1)
Takashi Sakamoto <email@example.com>