So... any suggestions? The problem continues to exist. Do you need any
more information? If so, just tell me.

** Description changed:

- Since upgrade to Karmic sound gets fizzy when I turn down volume
- 
  Since I upgraded to Karmic the sound gets somewhat "fizzy" when I turn
  down the volume below a certain level. When I turn it up again it sounds
  fine. I'm pretty sure this didn't happen before the upgrade.
- 
  
  lspci puts out the following:
  
  00:00.0 Host bridge: Intel Corporation 82865G/PE/P DRAM Controller/Host-Hub 
Interface (rev 02)
  00:01.0 PCI bridge: Intel Corporation 82865G/PE/P PCI to AGP Controller (rev 
02)
  00:06.0 System peripheral: Intel Corporation 82865G/PE/P Processor to I/O 
Memory Interface (rev 02)
  00:1d.0 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI 
Controller #1 (rev 02)
  00:1d.1 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI 
Controller #2 (rev 02)
  00:1d.2 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI 
Controller #3 (rev 02)
  00:1d.3 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI 
Controller #4 (rev 02)
  00:1d.7 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI 
Controller (rev 02)
  00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2)
  00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface 
Bridge (rev 02)
  00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE 
Controller (rev 02)
  00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus Controller 
(rev 02)
  00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER 
(ICH5/ICH5R) AC'97 Audio Controller (rev 02)
  01:00.0 VGA compatible controller: nVidia Corporation NV34 [GeForce FX 5200] 
(rev a1)
  02:00.0 Network controller: Intersil Corporation ISL3890 [Prism GT/Prism 
Duette]/ISL3886 [Prism Javelin/Prism Xbow] (rev 01)
  02:02.0 Multimedia controller: Philips Semiconductors SAA7134/SAA7135HL Video 
Broadcast Decoder (rev 01)
  02:04.0 Communication controller: Intel Corporation 536EP Data Fax Modem
  02:09.0 Ethernet controller: VIA Technologies, Inc. VT6105/VT6106S 
[Rhine-III] (rev 8b)
  02:0a.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6306 Fire II IEEE 1394 
OHCI Link Layer Controller (rev 46)
  
  ProblemType: Bug
  Architecture: i386
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  bjoern     2249 F.... pulseaudio
-  /dev/snd/pcmC0D0p:   bjoern     2249 F...m pulseaudio
-  /dev/snd/controlC1:  bjoern     2249 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  bjoern     2249 F.... pulseaudio
+  /dev/snd/pcmC0D0p:   bjoern     2249 F...m pulseaudio
+  /dev/snd/controlC1:  bjoern     2249 F.... pulseaudio
  Card0.Amixer.info:
-  Card hw:0 'ICH5'/'Intel ICH5 with CMI9761A at irq 17'
-    Mixer name : 'C-Media Electronics CMI9761A'
-    Components : 'AC97a:434d4978'
-    Controls      : 40
-    Simple ctrls  : 27
+  Card hw:0 'ICH5'/'Intel ICH5 with CMI9761A at irq 17'
+    Mixer name : 'C-Media Electronics CMI9761A'
+    Components : 'AC97a:434d4978'
+    Controls      : 40
+    Simple ctrls  : 27
  Card1.Amixer.info:
-  Card hw:1 'SAA7134'/'saa7134[0] at 0xfa402000 irq 18'
-    Mixer name : 'SAA7134 Mixer'
-    Components : ''
-    Controls      : 6
-    Simple ctrls  : 3
+  Card hw:1 'SAA7134'/'saa7134[0] at 0xfa402000 irq 18'
+    Mixer name : 'SAA7134 Mixer'
+    Components : ''
+    Controls      : 6
+    Simple ctrls  : 3
  Card2.Amixer.info:
-  Card hw:2 'UART'/'MPU-401 UART at 0x330, irq 10'
-    Mixer name : ''
-    Components : ''
-    Controls      : 0
-    Simple ctrls  : 0
+  Card hw:2 'UART'/'MPU-401 UART at 0x330, irq 10'
+    Mixer name : ''
+    Components : ''
+    Controls      : 0
+    Simple ctrls  : 0
  Card2.Amixer.values:
-  
+ 
  Date: Sun Nov  1 22:43:00 2009
  DistroRelease: Ubuntu 9.10
  NonfreeKernelModules: nvidia
  Package: alsa-base 1.0.20+dfsg-1ubuntu5
  PackageArchitecture: all
  ProcEnviron:
-  LANG=de_DE.UTF-8
-  SHELL=/bin/bash
+  LANG=de_DE.UTF-8
+  SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
  SourcePackage: alsa-driver
  Uname: Linux 2.6.31-14-generic i686

-- 
Since upgrade to Karmic sound gets fizzy when I turn down volume
https://bugs.launchpad.net/bugs/469551
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