Bug 269621 - KDE sound system / ALSA : annoying clicking sound in XMMS
KDE sound system / ALSA : annoying clicking sound in XMMS
Status: CLOSED NEXTRELEASE
Product: Fedora
Classification: Fedora
Component: kdemultimedia (Show other bugs)
7
i686 Linux
medium Severity low
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Assigned To: Ngo Than
Fedora Extras Quality Assurance
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Depends On:
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Reported: 2007-08-30 17:46 EDT by Russell East
Modified: 2008-02-08 09:29 EST (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2008-02-08 09:29:34 EST
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Description Russell East 2007-08-30 17:46:03 EDT
Description of problem:
If I enable the KDE sound system and select "Autodetect" or ALSA for hardware,
then audio playback in XMMS with ALSO output plugin is adversely affected by
rapid clicking sounds that are most noticeable when the audio is crescendo'ing.
 If the playback becomes quieter or there is no sound at all (e.g. between music
tracks) then the clicking is not discernible.  It also happens without xmms
playback, if I click the "Test Sound" button within the KDE Sound System Control
Center, so I don't think it is XMMS-specific

Version-Release number of selected component (if applicable):
kernel 2.6.22.4-65.fc7
kde 3.5.7-21.fc7
alsa-lib 1.0.14-3.fc7
xmms 1.2.10-36.fc7
xmms-mp3 1.2.10-5.lvn6

How reproducible:
always in the above configuration

Steps to Reproduce:
1. open the KDE Control Center
2. select Sound System from Sound & Multimedia
3. ensure "Enable the sound system" is on
4. ensure ALSA is chosen in Hardware
5. click the Test Sound button
  
Actual results:
irritating clicking sound during audio playback

Expected results:
clear audio playback

Additional info:
there is a workaround.  Disable the KDE Sound System, then select OSS as XMMS
Output Plugin.  This combination produces nice clear audio playback.  Maybe it
is all about ALSA and not really KDE?
Comment 1 Lukáš Tinkl 2008-02-08 06:53:47 EST
Please try to increase aRts' sound buffer and priority (in KDE's Control Center
Sound module) to see if that helps. 
Comment 2 Russell East 2008-02-08 09:14:20 EST
I've recently installed Fedora 8 and the problem has gone.

kernel-2.6.23.14-115.fc8
kdebase-3.5.8-31.fc8
alsa-lib-1.0.15-1.fc8
xmms-1.2.10-36.fc7

Comment 3 Rex Dieter 2008-02-08 09:29:34 EST
glad to hear it!

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