[gianguido@Portatilozzo ~]$ speaker-test -c 2
speaker-test 1.0.24.2
Playback device is default
Stream parameters are 48000Hz, S16_LE, 2 channels
Using 16 octaves of pink noise
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 96 to 1048576
Period size range from 32 to 349526
Using max buffer size 1048576
Periods = 4
ALSA lib pcm_pulse.c:734:(pulse_prepare) PulseAudio: Unable to create stream: Troppo grande
Unable to set hw params for playback: Errore di input/output
Setting of hwparams failed: Errore di input/output