[Hardy] Crackle/Popping when playing sound whilst muted in PulseAudio

[SimonJW]

Binary package hint: pulseaudio

BUG:

Menu -> Preferences -> Sound
Set "Music and Movies" to "PulseAudio Sound Server". Click "Test".
     Result - sound plays correctly.
Set sound to "Mute" using keyboard sound controls.
     Result - test sound muted, continuous loud crackle from speakers.

Set "Music and Movies" to "ALSA".
     Result - sound plays, is muted properly when "Mute" button pressed.

This behavior also observed in Totem/etc. whilst option is set to use "PulseAudio."

INFORMATION:

Dell Latitude D820 Laptop
Fully updated Hardy, upgraded from Gutsy.

simon@simon-laptop:~$ cat /proc/asound/cards
 0 [Intel ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xdfffc000 irq 21

simon@simon-laptop:~$ uname -a
Linux simon-laptop 2.6.24-16-generic #1 SMP Thu Apr 10 13:23:42 UTC 2008 i686 GNU/Linux

simon@simon-laptop:~$ sudo lspci -vvnn
[...]
00:1b.0 Audio device [0403]: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller [8086:27d8] (rev 01)
 Subsystem: Dell Unknown device [1028:01cc]
 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
 Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
 Latency: 0, Cache Line Size: 64 bytes
 Interrupt: pin A routed to IRQ 21
 Region 0: Memory at dfffc000 (64-bit, non-prefetchable) [size=16K]
 Capabilities: [50] Power Management version 2
  Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
  Status: D0 PME-Enable- DSel=0 DScale=0 PME-
 Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
  Address: 0000000000000000 Data: 0000
 Capabilities: [70] Express Unknown type IRQ 0
  Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag-
  Device: Latency L0s <64ns, L1 <1us
  Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported-
  Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+
  Device: MaxPayload 128 bytes, MaxReadReq 128 bytes
  Link: Supported Speed unknown, Width x0, ASPM unknown, Port 0
  Link: Latency L0s <64ns, L1 <1us
  Link: ASPM Disabled CommClk- ExtSynch-
  Link: Speed unknown, Width x0
[...]

ATTACHED:

Output from alsa-info.sh script as supplied at https://wiki.ubuntu.com/DebuggingSoundProblems - I know this is for ALSA, but I though some of it might help.

If there is anything else I could provide which might help, please let me know.

[Pär Bohrarper (par-bohrarper)]

I see this issue in Intrepid Ibex with an Eee PC 901 (also intel sound). I also seem to get (rare) intermittent crackling when not in mute.

[Niels Egberts (nielsegberts)]

I'm having this same issue in Intrepid, the sound is good but when muted it crackles. I've noticed this since a few days.

[Killeroid (killeroid)]

Also having this same issue in Intrepid. The sound is good but when i mute the system, I hear crackling noises coming out of speakers. I havent changed any sound options or anything(I upgraded from hardy and everything worked perfectly , no crackling sounds when muted).

[Niels Egberts (nielsegberts)]

The problem still persists. Lcpci output added

niels@inoue:~$ lspci | grep -i audio
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)

[Troels Liebe Bentsen (tlbdk)]

Same problem for me on intrepid and hardy:

lspci | grep -i audiotlb@tlb-desktop:~$ lspci | grep -i audio
00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)

[davie (daviemoston)]

The following bugs are probably duplicates of this:
bug #245851
bug #229584
bug #272321

[davie (daviemoston)]

and bug #275392 looks like a duplicate too