diablo@laptop:~/Desktop$ speaker-test -c2 -Ddefault -t wav
speaker-test 1.0.13
Playback device is default
Stream parameters are 48000Hz, S16_LE, 2 channels
WAV file(s)
ALSA lib pcm_dmix.c:864:(snd_pcm_dmix_open) unable to open slave
Playback open error: -2,No such file or directory
ALSA lib pcm_dmix.c:864:(snd_pcm_dmix_open) unable to open slave
Playback open error: -2,No such file or directory
ALSA lib pcm_dmix.c:864:(snd_pcm_dmix_open) unable to open slave
Playback open error: -2,No such file or directory
ALSA lib pcm_dmix.c:864:(snd_pcm_dmix_open) unable to open slave
Playback open error: -2,No such file or directory
ALSA lib pcm_dmix.c:864:(snd_pcm_dmix_open) unable to open slave
Playback open error: -2,No such file or directory
ALSA lib pcm_dmix.c:864:(snd_pcm_dmix_open) unable to open slave
Playback open error: -2,No such file or directory
ALSA lib pcm_dmix.c:864:(snd_pcm_dmix_open) unable to open slave
Playback open error: -2,No such file or directory
diablo@laptop:~/Desktop$