Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 256
  Mono:
  Front Left: Playback 192 [75%]
  Front Right: Playback 192 [75%]
Simple mixer control 'Impulse Response',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 255
  Mono: 0 [0%]
Simple mixer control 'Impulse Response Period',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 2000
  Mono: 100 [5%]