by NOA-I575 » 2017年3月13日(月) 18:51
追記です
$ cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version k4.4.0-45-generic.
PulseAudioを使う設定になっているか確認
$ aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
default:CARD=MID
HDA Intel MID, VT1718S Analog
Default Audio Device
sysdefault:CARD=MID
HDA Intel MID, VT1718S Analog
Default Audio Device
front:CARD=MID,DEV=0
HDA Intel MID, VT1718S Analog
Front speakers
surround40:CARD=MID,DEV=0
HDA Intel MID, VT1718S Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=MID,DEV=0
HDA Intel MID, VT1718S Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=MID,DEV=0
HDA Intel MID, VT1718S Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=MID,DEV=0
HDA Intel MID, VT1718S Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=MID,DEV=0
HDA Intel MID, VT1718S Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=MID,DEV=0
HDA Intel MID, VT1718S Digital
HDMI Audio Output
dmix:CARD=MID,DEV=0
HDA Intel MID, VT1718S Analog
Direct sample mixing device
dmix:CARD=MID,DEV=2
HDA Intel MID, VT1718S Alt Analog
Direct sample mixing device
dmix:CARD=MID,DEV=3
HDA Intel MID, VT1718S Digital
Direct sample mixing device
dsnoop:CARD=MID,DEV=0
HDA Intel MID, VT1718S Analog
Direct sample snooping device
dsnoop:CARD=MID,DEV=2
HDA Intel MID, VT1718S Alt Analog
Direct sample snooping device
dsnoop:CARD=MID,DEV=3
HDA Intel MID, VT1718S Digital
Direct sample snooping device
hw:CARD=MID,DEV=0
HDA Intel MID, VT1718S Analog
Direct hardware device without any conversions
hw:CARD=MID,DEV=2
HDA Intel MID, VT1718S Alt Analog
Direct hardware device without any conversions
hw:CARD=MID,DEV=3
HDA Intel MID, VT1718S Digital
Direct hardware device without any conversions
plughw:CARD=MID,DEV=0
HDA Intel MID, VT1718S Analog
Hardware device with all software conversions
plughw:CARD=MID,DEV=2
HDA Intel MID, VT1718S Alt Analog
Hardware device with all software conversions
plughw:CARD=MID,DEV=3
HDA Intel MID, VT1718S Digital
Hardware device with all software conversions
hdmi:CARD=HDMI,DEV=0
HDA ATI HDMI, HDMI 0
HDMI Audio Output
dmix:CARD=HDMI,DEV=3
HDA ATI HDMI, HDMI 0
Direct sample mixing device
dsnoop:CARD=HDMI,DEV=3
HDA ATI HDMI, HDMI 0
Direct sample snooping device
hw:CARD=HDMI,DEV=3
HDA ATI HDMI, HDMI 0
Direct hardware device without any conversions
plughw:CARD=HDMI,DEV=3
HDA ATI HDMI, HDMI 0
Hardware device with all software conversions