pacmd list-sources

pi@scarlettpi ~ $ pacmd list-sources
    Welcome to PulseAudio! Use "help" for usage information.
    >>> 2 source(s) available.
      * index: 0
        name: <alsa_input.usb-OmniVision_Technologies__Inc._USB_Camera-B4.09.24.1-01-CameraB409241.input-4-channels>
        driver: <module-alsa-card.c>
        flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
        state: SUSPENDED
        suspend cause: IDLE
        priority: 9040
        volume: 0: 100% 1: 100% 2: 100% 3: 100%
                0: 0.00 dB 1: 0.00 dB 2: 0.00 dB 3: 0.00 dB
                balance 0.00
        base volume: 100%
                     0.00 dB
        volume steps: 65537
        muted: no
        current latency: 0.00 ms
        max rewind: 0 KiB
        sample spec: s16le 4ch 16000Hz
        channel map: front-left,front-right,rear-left,rear-right
                     Surround 4.0
        used by: 0
        linked by: 0
        configured latency: 0.00 ms; range is 0.50 .. 2000.00 ms
        card: 0 <alsa_card.usb-OmniVision_Technologies__Inc._USB_Camera-B4.09.24.1-01-CameraB409241>
        module: 4
        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 Camera-B4.09.24.1"
            alsa.long_card_name = "OmniVision Technologies, Inc. USB Camera-B4.09.24.1 at usb-bcm2708_usb-1.3, hig"
            alsa.driver_name = "snd_usb_audio"
            device.bus_path = "platform-bcm2708_usb-usb-0:1.3:1.1"
            sysfs.path = "/devices/platform/bcm2708_usb/usb1/1-1/1-1.3/1-1.3:1.1/sound/card1"
            udev.id = "usb-OmniVision_Technologies__Inc._USB_Camera-B4.09.24.1-01-CameraB409241"
            device.bus = "usb"
            device.vendor.id = "1415"
            device.vendor.name = "Nam Tai E&E Products Ltd. or OmniVision Technologies, Inc."
            device.product.id = "2000"
            device.product.name = "Sony Playstation Eye"
            device.serial = "OmniVision_Technologies__Inc._USB_Camera-B4.09.24.1"
            device.string = "hw:1"
            device.buffering.buffer_size = "256000"
            device.buffering.fragment_size = "128000"
            device.access_mode = "mmap+timer"
            device.profile.name = "input-4-channels"
            device.profile.description = "4 Channels Input"
            device.description = "Sony Playstation Eye 4 Channels Input"
            module-udev-detect.discovered = "1"
            device.icon_name = "audio-card-usb"
        index: 1
        name: <alsa_output.platform-bcm2835_AUD0.0.analog-stereo.monitor>
        driver: <module-alsa-card.c>
        flags: DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
        state: IDLE
        suspend cause:
        priority: 1000
        volume: 0: 100% 1: 100%
                0: 0.00 dB 1: 0.00 dB
                balance 0.00
        base volume: 100%
                     0.00 dB
        volume steps: 65537
        muted: no
        current latency: 0.00 ms
        max rewind: 64 KiB
        sample spec: s16le 2ch 44100Hz
        channel map: front-left,front-right
                     Stereo
        used by: 0
        linked by: 0
        configured latency: 371.52 ms; range is 0.50 .. 371.52 ms
        monitor_of: 0
        card: 1 <alsa_card.platform-bcm2835_AUD0.0>
        module: 5
        properties:
            device.description = "Monitor of bcm2835 ALSA Analog Stereo"
            device.class = "monitor"
            alsa.card = "0"
            alsa.card_name = "bcm2835 ALSA"
            alsa.long_card_name = "bcm2835 ALSA"
            alsa.driver_name = "snd_bcm2835"
            device.bus_path = "platform-bcm2835_AUD0.0"
            sysfs.path = "/devices/platform/bcm2835_AUD0.0/sound/card0"
            device.string = "0"
            module-udev-detect.discovered = "1"
            device.icon_name = "audio-card"
    >>> pi@scarlettpi ~ $