В системе используется, точней должна использоваться дискретная звуковая карта
# lspci | grep -i audio
02:00.1 Audio device: ATI Technologies Inc RV630/M76 audio device [Radeon HD 2600 Series]
03:07.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01)
# lsmod | grep snd
snd_ice1724 72984 1
snd_seq_midi 3576 0
snd_seq_midi_event 3684 1 snd_seq_midi
snd_rawmidi 12513 2 snd_ice1724,snd_seq_midi
snd_ice17xx_ak4xxx 1700 1 snd_ice1724
snd_ac97_codec 79152 1 snd_ice1724
snd_hda_codec_atihdmi 1687 1
ac97_bus 710 1 snd_ac97_codec
snd_ak4xxx_adda 5131 2 snd_ice1724,snd_ice17xx_ak4xxx
snd_ak4114 5177 1 snd_ice1724
snd_hda_intel 16823 0
snd_pt2258 1992 1 snd_ice1724
snd_hda_codec 46062 2 snd_hda_codec_atihdmi,snd_hda_intel
snd_hwdep 4054 1 snd_hda_codec
snd_i2c 2594 2 snd_ice1724,snd_pt2258
snd_pcm 47222 5 snd_ice1724,snd_ac97_codec,snd_ak4114,snd_hda_intel,snd_hda_codec
snd_seq 35463 2 snd_seq_midi,snd_seq_midi_event
snd_timer 12270 2 snd_pcm,snd_seq
snd_seq_device 3673 3 snd_seq_midi,snd_rawmidi,snd_seq
snd 34415 16 snd_ice1724,snd_rawmidi,snd_ac97_codec,snd_ak4xxx_adda,snd_ak4114,snd_hda_intel,snd_pt2258,snd_hda_codec,snd_hwdep,snd_i2c,snd_pcm,snd_seq,snd_timer,snd_seq_device
snd_page_alloc 5045 2 snd_hda_intel,snd_pcm
soundcore 3450 1 snd