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$ lsmod|grep -i snd
snd_hda_codec_idt 57344 1
snd_hda_codec_generic 69632 1 snd_hda_codec_idt
snd_hda_intel 36864 0
snd_hda_codec 135168 3 snd_hda_intel,snd_hda_codec_idt,snd_hda_codec_generic
snd_hda_core 81920 4 snd_hda_intel,snd_hda_codec,snd_hda_codec_idt,snd_hda_codec_generic
snd_hwdep 16384 1 snd_hda_codec
snd_pcm 110592 3 snd_hda_intel,snd_hda_codec,snd_hda_core
snd_timer 32768 1 snd_pcm
snd 86016 7 snd_hda_intel,snd_hwdep,snd_hda_codec,snd_hda_codec_idt,snd_timer,snd_hda_codec_generic,snd_pcm
soundcore 16384 1 snd
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC9221 A1 Analog [STAC9221 A1 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: STAC9221 A1 Digital [STAC9221 A1 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
$ dpkg -l | egrep "(alsa|asound)"
ii alsa-utils 1.1.3-1 amd64 Utilities for configuring and using ALSA
ii libasound2:amd64 1.1.3-5 amd64 shared library for ALSA applications
ii libasound2-data 1.1.3-5 all Configuration files and profiles for ALSA drivers
$ mplayer test.mp3
xcb_connection_has_error() returned true
AO: [pulse] Init failed: Connection refused
Failed to initialize audio driver 'pulse'
AO: [alsa] 44100Hz 2ch s16le (2 bytes per sample)
Video: no video
Starting playback...
A: 4.2 (04.2) of 235.0 (03:55.0) 0.8%
...
Exiting... (Quit)
Driver: Windows DirectSound
Chip: intel hda OR AC97
Regards!