sokolov@host:~$ cd /tmp && wget http://jackaudio.org/downloads/adevices.sh && bash ./adevices.sh
--2017-01-09 23:10:15--  http://jackaudio.org/downloads/adevices.sh
Resolving jackaudio.org (jackaudio.org)... 69.163.217.234
Connecting to jackaudio.org (jackaudio.org)|69.163.217.234|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2249 (2,2K) [application/x-sh]
Saving to: ‘adevices.sh.1’

adevices.sh.1       100%[===================>]   2,20K  --.-KB/s    in 0s      

2017-01-09 23:10:15 (166 MB/s) - ‘adevices.sh.1’ saved [2249/2249]

========================================
Part I: ALSA
Advanced Linux Sound Architecture Driver Version k4.4.0-57-lowlatency.

Card 0 (PCH):
  * Playback Device 0 (ALC3266 Analog):
    - Subdevice 0 (hw:PCH,0,0):
      used by: jackd (PID 11400)
      access: MMAP_INTERLEAVED
      format: S32_LE
      subformat: STD
      channels: 2
      rate: 44100 (44100/1)
      period_size: 1024
      buffer_size: 2048

  * Playback Device 3 (HDMI 0):
    - Subdevice 0 (hw:PCH,3,0):
      closed

  * Playback Device 7 (HDMI 1):
    - Subdevice 0 (hw:PCH,7,0):
      closed

  * Playback Device 8 (HDMI 2):
    - Subdevice 0 (hw:PCH,8,0):
      closed

  * Recording Device 0 (ALC3266 Analog):
    - Subdevice 0 (hw:PCH,0,0):
      used by: jackd (PID 11400)
      access: MMAP_INTERLEAVED
      format: S32_LE
      subformat: STD
      channels: 2
      rate: 44100 (44100/1)
      period_size: 1024
      buffer_size: 2048

Card 1 (Loopback):
  * Playback Device 0 (Loopback PCM):
    - Subdevice 0 (hw:Loopback,0,0):
      used by: pulseaudio (PID 11396)
      access: MMAP_INTERLEAVED
      format: S16_LE
      subformat: STD
      channels: 2
      rate: 44100 (44100/1)
      period_size: 88200
      buffer_size: 88200

    - Subdevice 1 (hw:Loopback,0,1):
      closed

    - Subdevice 2 (hw:Loopback,0,2):
      closed

    - Subdevice 3 (hw:Loopback,0,3):
      closed

    - Subdevice 4 (hw:Loopback,0,4):
      closed

    - Subdevice 5 (hw:Loopback,0,5):
      closed

    - Subdevice 6 (hw:Loopback,0,6):
      closed

    - Subdevice 7 (hw:Loopback,0,7):
      closed

  * Playback Device 1 (Loopback PCM):
    - Subdevice 0 (hw:Loopback,1,0):
      closed

    - Subdevice 1 (hw:Loopback,1,1):
      closed

    - Subdevice 2 (hw:Loopback,1,2):
      closed

    - Subdevice 3 (hw:Loopback,1,3):
      closed

    - Subdevice 4 (hw:Loopback,1,4):
      closed

    - Subdevice 5 (hw:Loopback,1,5):
      closed

    - Subdevice 6 (hw:Loopback,1,6):
      closed

    - Subdevice 7 (hw:Loopback,1,7):
      closed

  * Recording Device 0 (Loopback PCM):
    - Subdevice 0 (hw:Loopback,0,0):
      used by: pulseaudio (PID 11396)
      access: MMAP_INTERLEAVED
      format: S16_LE
      subformat: STD
      channels: 2
      rate: 44100 (44100/1)
      period_size: 88200
      buffer_size: 88200

    - Subdevice 1 (hw:Loopback,0,1):
      closed

    - Subdevice 2 (hw:Loopback,0,2):
      closed

    - Subdevice 3 (hw:Loopback,0,3):
      closed

    - Subdevice 4 (hw:Loopback,0,4):
      closed

    - Subdevice 5 (hw:Loopback,0,5):
      closed

    - Subdevice 6 (hw:Loopback,0,6):
      closed

    - Subdevice 7 (hw:Loopback,0,7):
      closed

  * Recording Device 1 (Loopback PCM):
    - Subdevice 0 (hw:Loopback,1,0):
      closed

    - Subdevice 1 (hw:Loopback,1,1):
      closed

    - Subdevice 2 (hw:Loopback,1,2):
      closed

    - Subdevice 3 (hw:Loopback,1,3):
      closed

    - Subdevice 4 (hw:Loopback,1,4):
      closed

    - Subdevice 5 (hw:Loopback,1,5):
      closed

    - Subdevice 6 (hw:Loopback,1,6):
      closed

    - Subdevice 7 (hw:Loopback,1,7):
      closed

========================================
Part II: jack processes
 5929 ?        SLl    0:20 /usr/bin/qjackctl
11400 ?        SLsl   0:01 /usr/bin/jackd -dalsa -dhw:0 -r44100 -p1024 -n2
sokolov@host:/tmp$