Звук, как "пластинку заъело". Мои параметры:
$ speaker-test -Dplug:surround51 -c6
speaker-test 1.1.3
Playback device is plug:surround51
Stream parameters are 48000Hz, S16_LE, 6 channels
Using 16 octaves of pink noise
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 6 to 10922
Period size range from 6 to 10922
Using max buffer size 10920
Periods = 4
was set period_size = 2730
was set buffer_size = 10920
0 - Front Left
Или что не так?