回帖：https://github.com/mikebrady/shairport-sync/issues/1548
null
Discard all samples (playback) or generate zero samples (capture)
hw:CARD=P230Q200,DEV=0
P230-Q200,
Direct hardware device without any conversions
hw:CARD=P230Q200,DEV=1
P230-Q200,
Direct hardware device without any conversions
plughw:CARD=P230Q200,DEV=0
P230-Q200,
Hardware device with all software conversions
plughw:CARD=P230Q200,DEV=1
P230-Q200,
Hardware device with all software conversions
default:CARD=P230Q200
P230-Q200,
Default Audio Device
sysdefault:CARD=P230Q200
P230-Q200,
Default Audio Device
dmix:CARD=P230Q200,DEV=0
P230-Q200,
Direct sample mixing device
dmix:CARD=P230Q200,DEV=1
P230-Q200,
Direct sample mixing device
root@armbian:~# aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
hw:CARD=P230Q200,DEV=0
P230-Q200,
Direct hardware device without any conversions
hw:CARD=P230Q200,DEV=1
P230-Q200,
Direct hardware device without any conversions
plughw:CARD=P230Q200,DEV=0
P230-Q200,
Hardware device with all software conversions
plughw:CARD=P230Q200,DEV=1
P230-Q200,
Hardware device with all software conversions
default:CARD=P230Q200
P230-Q200,
Default Audio Device
sysdefault:CARD=P230Q200
P230-Q200,
Default Audio Device
dmix:CARD=P230Q200,DEV=0
P230-Q200,
Direct sample mixing device
dmix:CARD=P230Q200,DEV=1
P230-Q200,
Direct sample mixing device
hw:CARD=AUDIO,DEV=0
SUCA AUDIO, USB Audio
Direct hardware device without any conversions
plughw:CARD=AUDIO,DEV=0
SUCA AUDIO, USB Audio
Hardware device with all software conversions
default:CARD=AUDIO
SUCA AUDIO, USB Audio
Default Audio Device
sysdefault:CARD=AUDIO
SUCA AUDIO, USB Audio
Default Audio Device
front:CARD=AUDIO,DEV=0
SUCA AUDIO, USB Audio
Front output / input
surround21:CARD=AUDIO,DEV=0
SUCA AUDIO, USB Audio
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=AUDIO,DEV=0
SUCA AUDIO, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=AUDIO,DEV=0
SUCA AUDIO, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=AUDIO,DEV=0
SUCA AUDIO, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=AUDIO,DEV=0
SUCA AUDIO, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=AUDIO,DEV=0
SUCA AUDIO, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=AUDIO,DEV=0
SUCA AUDIO, USB Audio
IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=AUDIO,DEV=0
SUCA AUDIO, USB Audio
Direct sample mixing device

apt install --no-install-recommends build-essential git autoconf automake libtool \
libpopt-dev libconfig-dev libasound2-dev avahi-daemon libavahi-client-dev libssl-dev libsoxr-dev \
libplist-dev libsodium-dev libavutil-dev libavcodec-dev libavformat-dev uuid-dev libgcrypt-dev xxd

shairport-sync -h
Please use the configuration file for settings where possible.
Many more settings are available in the configuration file.
Usage: shairport-sync
or:shairport-sync --
Options:
-h, --helpShow this help.
-V, --version Show version information -- the version string.
-X, --displayConfig Output OS information, version string, command line, configuration file and active settings to the log.
--statisticsPrint some interesting statistics. More will be printed if -v / -vv / -vvv are also chosen.
-v, --verbose Print debug information; -v some; -vv more; -vvv lots -- generally too much.
-c, --configfile=FILE Read configuration settings from FILE. Default is /etc/shairport-sync.conf.
-a, --name=NAME Set service name. Def