最終更新:2020-11-24 (火) 22:01:41 (52d)
aplay
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command-line sound recorder and player for ALSA soundcard driver
aplay -l?
**** List of PLAYBACK Hardware Devices **** card 0: b1 [bcm2835 HDMI 1], device 0: bcm2835 HDMI 1 [bcm2835 HDMI 1] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 1: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3
aplay -L?
null Discard all samples (playback) or generate zero samples (capture) default output sysdefault:CARD=b1 bcm2835 HDMI 1, bcm2835 HDMI 1 Default Audio Device dmix:CARD=b1,DEV=0 bcm2835 HDMI 1, bcm2835 HDMI 1 Direct sample mixing device dsnoop:CARD=b1,DEV=0 bcm2835 HDMI 1, bcm2835 HDMI 1 Direct sample snooping device hw:CARD=b1,DEV=0 bcm2835 HDMI 1, bcm2835 HDMI 1 Direct hardware device without any conversions plughw:CARD=b1,DEV=0 bcm2835 HDMI 1, bcm2835 HDMI 1 Hardware device with all software conversions sysdefault:CARD=Headphones bcm2835 Headphones, bcm2835 Headphones Default Audio Device dmix:CARD=Headphones,DEV=0 bcm2835 Headphones, bcm2835 Headphones Direct sample mixing device dsnoop:CARD=Headphones,DEV=0 bcm2835 Headphones, bcm2835 Headphones Direct sample snooping device hw:CARD=Headphones,DEV=0 bcm2835 Headphones, bcm2835 Headphones Direct hardware device without any conversions plughw:CARD=Headphones,DEV=0 bcm2835 Headphones, bcm2835 Headphones Hardware device with all software conversions
