skrypt@Eos:~/Desktop$ speaker-test -Diec958 -c2
speaker-test 1.0.13
Playback device is iec958
Stream parameters are 48000Hz, S16_LE, 2 channels
Using 16 octaves of pink noise
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 8 to 16384
Period size range from 8 to 16384
Using max buffer size 16384
Periods = 4
was set period_size = 4096
was set buffer_size = 16384
0 - Front Left
1 - Front Right
Time per period = 5.632490
0 - Front Left
1 - Front Right
Time per period = 5.973338
0 - Front Left
1 - Front Right
Time per period = 5.973350
0 - Front Left
1 - Front Right
Time per period = 5.973344
0 - Front Left
1 - Front Right
Time per period = 5.973335
0 - Front Left
1 - Front Right
Time per period = 5.973333
0 - Front Left
1 - Front Right
Time per period = 5.973342
0 - Front Left
1 - Front Right
Time per period = 5.973356
0 - Front Left
1 - Front Right
Time per period = 5.973323
0 - Front Left
1 - Front Right
Time per period = 5.973343
0 - Front Left
1 - Front Right
Time per period = 5.973343
0 - Front Left
1 - Front Right
Time per period = 5.973339
0 - Front Left
1 - Front Right
Time per period = 5.973346
0 - Front Left
1 - Front Right
Time per period = 5.973341
0 - Front Left
1 - Front Right
Time per period = 5.973343
0 - Front Left
1 - Front Right
Time per period = 5.973340
0 - Front Left
1 - Front Right
skrypt@Eos:~/Desktop$