would you please tell me where I should do this? in the terminal?
remove & create a file, I mean.
thank you
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC256 Analog [ALC256 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 10: HDMI 4 [HDMI 4]
Subdevices: 1/1
Subdevice #0: subdevice #0
aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
default:CARD=PCH
HDA Intel PCH, ALC256 Analog
Default Audio Device
sysdefault:CARD=PCH
HDA Intel PCH, ALC256 Analog
Default Audio Device
front:CARD=PCH,DEV=0
HDA Intel PCH, ALC256 Analog
Front speakers
surround21:CARD=PCH,DEV=0
HDA Intel PCH, ALC256 Analog
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=PCH,DEV=0
HDA Intel PCH, ALC256 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
HDA Intel PCH, ALC256 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
HDA Intel PCH, ALC256 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
HDA Intel PCH, ALC256 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
HDA Intel PCH, ALC256 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=PCH,DEV=0
HDA Intel PCH, HDMI 0
HDMI Audio Output
hdmi:CARD=PCH,DEV=1
HDA Intel PCH, HDMI 1
HDMI Audio Output
hdmi:CARD=PCH,DEV=2
HDA Intel PCH, HDMI 2
HDMI Audio Output
hdmi:CARD=PCH,DEV=3
HDA Intel PCH, HDMI 3
HDMI Audio Output
hdmi:CARD=PCH,DEV=4
HDA Intel PCH, HDMI 4
HDMI Audio Output
dmix:CARD=PCH,DEV=0
HDA Intel PCH, ALC256 Analog
Direct sample mixing device
dmix:CARD=PCH,DEV=3
HDA Intel PCH, HDMI 0
Direct sample mixing device
dmix:CARD=PCH,DEV=7
HDA Intel PCH, HDMI 1
Direct sample mixing device
dmix:CARD=PCH,DEV=8
HDA Intel PCH, HDMI 2
Direct sample mixing device
dmix:CARD=PCH,DEV=9
HDA Intel PCH, HDMI 3
Direct sample mixing device
dmix:CARD=PCH,DEV=10
HDA Intel PCH, HDMI 4
Direct sample mixing device
dsnoop:CARD=PCH,DEV=0
HDA Intel PCH, ALC256 Analog
Direct sample snooping device
dsnoop:CARD=PCH,DEV=3
HDA Intel PCH, HDMI 0
Direct sample snooping device
dsnoop:CARD=PCH,DEV=7
HDA Intel PCH, HDMI 1
Direct sample snooping device
dsnoop:CARD=PCH,DEV=8
HDA Intel PCH, HDMI 2
Direct sample snooping device
dsnoop:CARD=PCH,DEV=9
HDA Intel PCH, HDMI 3
Direct sample snooping device
dsnoop:CARD=PCH,DEV=10
HDA Intel PCH, HDMI 4
Direct sample snooping device
hw:CARD=PCH,DEV=0
HDA Intel PCH, ALC256 Analog
Direct hardware device without any conversions
hw:CARD=PCH,DEV=3
HDA Intel PCH, HDMI 0
Direct hardware device without any conversions
hw:CARD=PCH,DEV=7
HDA Intel PCH, HDMI 1
Direct hardware device without any conversions
hw:CARD=PCH,DEV=8
HDA Intel PCH, HDMI 2
Direct hardware device without any conversions
hw:CARD=PCH,DEV=9
HDA Intel PCH, HDMI 3
Direct hardware device without any conversions
hw:CARD=PCH,DEV=10
HDA Intel PCH, HDMI 4
Direct hardware device without any conversions
plughw:CARD=PCH,DEV=0
HDA Intel PCH, ALC256 Analog
Hardware device with all software conversions
plughw:CARD=PCH,DEV=3
HDA Intel PCH, HDMI 0
Hardware device with all software conversions
plughw:CARD=PCH,DEV=7
HDA Intel PCH, HDMI 1
Hardware device with all software conversions
plughw:CARD=PCH,DEV=8
HDA Intel PCH, HDMI 2
Hardware device with all software conversions
plughw:CARD=PCH,DEV=9
HDA Intel PCH, HDMI 3
Hardware device with all software conversions
plughw:CARD=PCH,DEV=10
HDA Intel PCH, HDMI 4
Hardware device with all software conversions
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