indicator-sound consuming high percentage of cpu

Binary package hint: indicator-applet

the indicator-applet and the indicator-sound are consuming atr least 15% o cpu toghether...even if the sound is off or I cancel Indicator-applet from the desktop
here is my top:

top - 12:10:08 up 22 min, 2 users, load average: 2.29, 2.69, 2.38
Tasks: 147 total, 1 running, 146 sleeping, 0 stopped, 0 zombie
Cpu(s): 52.5%us, 36.1%sy, 0.0%ni, 0.0%id, 0.0%wa, 1.3%hi, 10.2%si, 0.0%st
Mem: 509240k total, 493060k used, 16180k free, 23572k buffers
Swap: 3863592k total, 25608k used, 3837984k free, 157412k cached

  PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
 1602 leva 20 0 68152 20m 8164 S 14.9 4.0 2:16.27 indicator-apple
  866 root 20 0 94580 41m 7884 S 10.9 8.3 3:12.99 Xorg
 1610 leva 20 0 85348 4324 3420 S 9.6 0.8 1:28.54 indicator-sound
 1493 leva 20 0 74608 26m 6716 S 7.6 5.4 1:23.74 compiz
 1461 leva 20 0 3308 1416 636 S 5.0 0.3 0:46.29 dbus-daemon
 1975 leva 20 0 31956 11m 6484 S 3.6 2.3 0:39.95 python
 1489 leva 20 0 44648 15m 11m S 1.7 3.2 0:23.22 gnome-panel
 1491 leva 20 0 89408 13m 9680 S 1.3 2.8 0:16.95 nautilus
 1658 leva 20 0 18912 4280 3412 S 1.3 0.8 0:13.97 indicator-me-se
  734 syslog 20 0 33384 964 768 S 1.0 0.2 0:10.87 rsyslogd
  754 root 20 0 18608 2392 2160 S 1.0 0.5 0:10.55 gdm-binary
 1471 leva 20 0 90404 8088 5648 S 1.0 1.6 0:15.26 gnome-settings-
 2275 leva 20 0 297m 80m 23m S 1.0 16.2 1:39.87 firefox-bin
  677 root 20 0 0 0 0 S 0.7 0.0 0:01.88 phy0
    4 root 20 0 0 0 0 S 0.3 0.0 0:00.34 ksoftirqd/0
 2131 leva 20 0 126m 43m 18m S 0.3 8.7 1:05.14 qbittorrent
    1 root 20 0 2792 1236 956 S 0.0 0.2 0:00.42 init
    2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
    3 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
    5 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/0
    6 root 20 0 0 0 0 S 0.0 0.0 0:00.03 events/0
    7 root 20 0 0 0 0 S 0.0 0.0 0:00.00 cpuset
    8 root 20 0 0 0 0 S 0.0 0.0 0:00.00 khelper
    9 root 20 0 0 0 0 S 0.0 0.0 0:00.00 netns
   10 root 20 0 0 0 0 S 0.0 0.0 0:00.00 async/mgr
   11 root 20 0 0 0 0 S 0.0 0.0 0:00.00 pm
   12 root 20 0 0 0 0 S 0.0 0.0 0:00.00 sync_supers
   13 root 20 0 0 0 0 S 0.0 0.0 0:00.00 bdi-default
   14 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kintegrityd/0
   15 root 20 0 0 0 0 S 0.0 0.0 0:00.22 kblockd/0
   16 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kacpid
   17 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kacpi_notify
   18 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kacpi_hotplug
   19 root 20 0 0 0 0 S 0.0 0.0 0:00.48 ata/0
   20 root 20 0 0 0 0 S 0.0 0.0 0:00.00 ata_aux
   21 root 20 0 0 0 0 S 0.0 0.0 0:00.00 ksuspend_usbd
   22 root 20 0 0 0 0 S 0.0 0.0 0:00.00 khubd
   23 root 20 0 0 0 0 S 0.0 0.0 0:00.01 kseriod
   24 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kmmcd

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: indicator-applet 0.3.7-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-24.39-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Sun Aug 15 12:02:39 2010
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
ProcEnviron:
 LANG=it_IT.utf8
 SHELL=/bin/bash
SourcePackage: indicator-applet