Low sound in pulse-audio applications like flash player in browser

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My system is Kubuntu 10.04 LTS AMD64.

In all the apps which have PulseAudio as native sound interface (SMPlayer, 
flash in browser) sound is significantly lower than in native Phonon apps is... 
(like Amarok or Dragon Player)

I opened kmix. PCM channel is set it to 100%. alsamixer from command-line 
showed all the sliders are set to 100%. I installed/uninstalled pulse audio 
server and its pavuchooser. Didn't help. Sound became even lower in all Gnome 
apps.

I tried python-script alsa utility for low-level soundcard tuning - didn't 
found something useful: Analog Audio output has not any tuning sliders...

My system config:

oleg@comp:~/Downloads$ uname -a
Linux comp 2.6.32-22-generic #33-Ubuntu SMP Wed Apr 28 13:28:05 UTC 2010 x86_64 
GNU/Linux

oleg@comp:~/Downloads$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC889A Analog [ALC889A Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC889A Digital [ALC889A Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

oleg@comp:~/Downloads$ cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.23.
Compiled on May 29 2010 for kernel 2.6.32-22-generic (SMP).
oleg@comp:~/Downloads$ head -n 1 /proc/asound/card*/codec#*
Codec: Realtek ALC889A


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