Comment 1 for bug 231560

When starting gtkguitune with running pulseaudio "Volume Control" :
------------------------------------------------------------------------------------
gtkguitune

usage: gtkguitune [--option [<arg>]]
  options:
--device <arg>
     arg=device audio-in device
--trigger <arg>
     arg=threshold of schmitt trigger
--sampfreq <arg>
     arg=sample frequency in Hz
--sampnr <arg>
     arg=number of samples
--width <arg>
     arg=width in pixels
--height <arg>
     arg=height in pixels
--adaptive <arg>
     arg=1|0 adaptive scaling of sample data
--help
     this help

initializing audio at /dev/dsp
/dev/dsp: device buzy
------------------------------------------------------------------------------------
When starting gtkguitune without running pulseaudio "Volume Control" :
------------------------------------------------------------------------------------
gtkguitune

usage: gtkguitune [--option [<arg>]]
  options:
--device <arg>
     arg=device audio-in device
--trigger <arg>
     arg=threshold of schmitt trigger
--sampfreq <arg>
     arg=sample frequency in Hz
--sampnr <arg>
     arg=number of samples
--width <arg>
     arg=width in pixels
--height <arg>
     arg=height in pixels
--adaptive <arg>
     arg=1|0 adaptive scaling of sample data
--help
     this help

initializing audio at /dev/dsp
OSS-Version 1
  DUPLEX = 0
  REALTIME = 200
  BATCH = 0
  COPROC = 0
  TRIGGER = 1000
  MMAP = 2000
blocksize=256
sampfreq=11048
sampfreq=11048
Audiodriver initialized
initializing audio at /dev/dsp
OSS-Version 1
  DUPLEX = 0
  REALTIME = 200
  BATCH = 0
  COPROC = 0
  TRIGGER = 1000
  MMAP = 2000
blocksize=256
sampfreq=11048
sampfreq=11048
initializing audio at /dev/dsp
OSS-Version 1
  DUPLEX = 0
  REALTIME = 200
  BATCH = 0
  COPROC = 0
  TRIGGER = 1000
  MMAP = 2000
blocksize=256
sampfreq=22048
sampfreq=22048
mixer_fd=5

I hope that I help you ...