pacmd

> pacmd
Welcome to PulseAudio 13.99.1! Use "help" for usage information.
>>> list-sinks
2 sink(s) available.
    index: 5
	name: <alsa_output.pci-0000_01_00.1.hdmi-stereo>
	driver: <module-alsa-card.c>
	flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
	state: IDLE
	suspend cause: (none)
	priority: 9030
	volume: front-left: 65536 / 100% / 0,00 dB,   front-right: 65536 / 100% / 0,00 dB
	       balance 0,00
	base volume: 65536 / 100% / 0,00 dB
	volume steps: 65537
	muted: no
	current latency: 39,45 ms
	max request: 6 KiB
	max rewind: 6 KiB
	monitor source: 5
	sample spec: s16le 2ch 44100Hz
	channel map: front-left,front-right
	            Stereo
	used by: 0
	linked by: 1
	configured latency: 40,00 ms; range is 0,50 .. 1999,82 ms
	card: 0 <alsa_card.pci-0000_01_00.1>
	module: 7
	properties:
		alsa.resolution_bits = "16"
		device.api = "alsa"
		device.class = "sound"
		alsa.class = "generic"
		alsa.subclass = "generic-mix"
		alsa.name = "HDMI 0"
		alsa.id = "HDMI 0"
		alsa.subdevice = "0"
		alsa.subdevice_name = "subdevice #0"
		alsa.device = "3"
		alsa.card = "2"
		alsa.card_name = "HDA NVidia"
		alsa.long_card_name = "HDA NVidia at 0xa1080000 irq 17"
		alsa.driver_name = "snd_hda_intel"
		device.bus_path = "pci-0000:01:00.1"
		sysfs.path = "/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card2"
		device.bus = "pci"
		device.vendor.id = "10de"
		device.vendor.name = "NVIDIA Corporation"
		device.product.id = "228b"
		device.string = "hdmi:2"
		device.buffering.buffer_size = "352768"
		device.buffering.fragment_size = "176384"
		device.access_mode = "mmap+timer"
		device.profile.name = "hdmi-stereo"
		device.profile.description = "Digital Stereo (HDMI)"
		device.description = "HDA NVidia Digital Stereo (HDMI)"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-pci"
	ports:
		hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: yes)
			properties:
				device.icon_name = "video-display"
				device.product.name = "DELL S2721DGF"
	active port: <hdmi-output-0>
  * index: 13
	name: <alsa_output.usb-Generic_USB_Audio-00.iec958-stereo>
	driver: <module-alsa-card.c>
	flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
	state: RUNNING
	suspend cause: (none)
	priority: 9048
	volume: front-left: 65536 / 100% / 0,00 dB,   front-right: 65536 / 100% / 0,00 dB
	       balance 0,00
	base volume: 65536 / 100% / 0,00 dB
	volume steps: 65537
	muted: no
	current latency: 44,36 ms
	max request: 6 KiB
	max rewind: 6 KiB
	monitor source: 17
	sample spec: s16le 2ch 44100Hz
	channel map: front-left,front-right
	            Stereo
	used by: 1
	linked by: 3
	configured latency: 40,00 ms; range is 0,50 .. 2000,00 ms
	card: 1 <alsa_card.usb-Generic_USB_Audio-00>
	module: 8
	properties:
		alsa.resolution_bits = "16"
		device.api = "alsa"
		device.class = "sound"
		alsa.class = "generic"
		alsa.subclass = "generic-mix"
		alsa.name = "USB Audio"
		alsa.id = "USB Audio"
		alsa.subdevice = "0"
		alsa.subdevice_name = "subdevice #0"
		alsa.device = "0"
		alsa.card = "1"
		alsa.card_name = "USB Audio"
		alsa.long_card_name = "Generic USB Audio at usb-0000:00:14.0-14, high speed"
		alsa.driver_name = "snd_usb_audio"
		device.bus_path = "pci-0000:00:14.0-usb-0:14:1.0"
		sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-14/1-14:1.0/sound/card1"
		udev.id = "usb-Generic_USB_Audio-00"
		device.bus = "usb"
		device.vendor.id = "0b05"
		device.vendor.name = "ASUSTek Computer, Inc."
		device.product.id = "1996"
		device.product.name = "USB Audio"
		device.serial = "Generic_USB_Audio"
		device.string = "iec958:1"
		device.buffering.buffer_size = "352800"
		device.buffering.fragment_size = "176400"
		device.access_mode = "mmap+timer"
		device.profile.name = "iec958-stereo"
		device.profile.description = "Digital Stereo (IEC958)"
		device.description = "USB Audio Digital Stereo (IEC958)"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-usb"
	ports:
		iec958-stereo-output: Digital Output (S/PDIF) (priority 0, latency offset 0 usec, available: unknown)
			properties:

	active port: <iec958-stereo-output>