pacmd list-sources
1 source(s) available.
  * index: 3
    name: <alsa_output.pci-0000_00_1b.0.analog-stereo.monitor>
    driver: <module-alsa-card.c>
    flags: DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
    state: RUNNING
    suspend cause:
    priority: 1950
    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: 0.00 ms
    max rewind: 344 KiB
    sample spec: s16le 2ch 44100Hz
    channel map: front-left,front-right
                 Stereo
    used by: 4
    linked by: 4
    configured latency: 16.00 ms; range is 16.00 .. 2000.00 ms
    monitor_of: 2
    card: 0 <alsa_card.pci-0000_00_1b.0>
    module: 6
    properties:
        device.description = "Monitor of Built-in Audio Analog Stereo"
        device.class = "monitor"
        alsa.card = "0"
        alsa.card_name = "HDA Intel PCH"
        alsa.long_card_name = "HDA Intel PCH at 0xe0630000 irq 29"
        alsa.driver_name = "snd_hda_intel"
        device.bus_path = "pci-0000:00:1b.0"
        sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card0"
        device.bus = "pci"
        device.vendor.id = "8086"
        device.vendor.name = "Intel Corporation"
        device.product.id = "1e20"
        device.product.name = "7 Series/C216 Chipset Family High Definition Audio Controller"
        device.form_factor = "internal"
        device.string = "0"
        module-udev-detect.discovered = "1"
        device.icon_name = "audio-card-pci"