Same here.
Installed corresponding alsa packages from intrepid, so skype and some other
stuff now works under PA, but sound from some apps (like Skype, sdl-pulseaudio)
is stuttering.
Kernel 2.6.24-17-generic helped a little or not at all, hard to tell
exactly, but it doesn't solve the issue. I rarely have processors fully
used, so this stuttering has nothing to do with system load - system may
be even idle.
I have a Dell Latitude D620 laptop, Intel HDA audio card (output from
lspci):
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition
Audio Controller (rev 01)
Subsystem: Dell Unknown device 01c2
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 20
Region 0: Memory at efebc000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
I changed the config in /etc/pulse/daemon.conf as suggested somewhere in the
forums (probably written by Conn), by appending:
default-fragments = 8
default-fragment-size-msec = 5
...to this file.
I am not sure what these values are, because buffer of 5 msec seems
small to me, is the default even smaller?
Anyway, this fixes my issues - pulseaudio is now very smooth.
--
Over-optimistic buffering in PulseAudio causes underruns (audible stuttering,
pops)
https://bugs.launchpad.net/bugs/190754
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