From: bugtrack@alsa-project.org
To: alsa-devel@alsa-project.org
Subject: [ALSA - driver 0000433]: Clicking noise on some sample rates with Chaintech AV-710 (ICE1724)
Date: Sun, 22 Aug 2004 10:04:08 +0200 (CEST) [thread overview]
Message-ID: <20040822080408.1C2DF1102F@server.perex-int.cz> (raw)
A BUGNOTE has been added to this bug.
======================================================================
https://bugtrack.alsa-project.org/alsa-bug/bug_view_page.php?bug_id=0000433
======================================================================
Reported By: cabbagerat
Assigned To:
======================================================================
Project: ALSA - driver
Bug ID: 433
Category: PCI - ice1724
Reproducibility: always
Severity: major
Priority: normal
Status: new
Distribution: Debian Unstable
Kernel Version: 2.6.7
======================================================================
Date Submitted: 08-09-2004 11:36 CEST
Last Modified: 08-22-2004 10:04 CEST
======================================================================
Summary: Clicking noise on some sample rates with Chaintech AV-710 (ICE1724)
Description:
Playing sound at any sample rate other than 48000Hz produces a loud
clicking sound along with the expected sound. This started with the ALSA
included with kernel 2.6.7 (worked perfectly in 2.6.6).
Clicking sound is loudest at 44.1kHz, not present at 48Khz and soft but
noticeable at 96kHz.
I have tried playing with alsaplayer, aplay, mpg123 and a variety of
gstreamer based apps - all display this behavior. Both native alsa and OSS
emulation display the same problem.
======================================================================
----------------------------------------------------------------------
av710user - 08-21-2004 02:40 CEST
----------------------------------------------------------------------
I hear clicking noises with my AV710 at every sample rate I've tried.
dmesg says "invalid EEPROM version 1" after loading the drivers. If it's
any help, the VIA ICEnsemble chip on the AV710 isn't a 1724 but a 1721. A
site I found using Google speculates that the Envy24HT-S (VT1721) is
similar to the Envy24PT (VT1720). I'm using the ALSA 1.0.6a drivers, GCC
3.3.3 and Linux 2.4.26.
----------------------------------------------------------------------
cabbagerat - 08-22-2004 10:04 CEST
----------------------------------------------------------------------
Upgrading to kernel version 2.6.8.1-mm3 (CONFIG_PREEMPT disabled) stopped
the clicking noises in all sample rates. Brief testing of 2.6.8.1 without
preempt enabled also seemed to suggest that the clicking had gone. This
leads me to believe that the clicking sound is related in some way to
preempt.
Bug History
Date Modified Username Field Change
======================================================================
08-09-04 11:36 cabbagerat New Bug
08-09-04 11:36 cabbagerat Distribution => Debian Unstable
08-09-04 11:36 cabbagerat Kernel Version => 2.6.7
08-09-04 11:37 cabbagerat Bug Monitored: cabbagerat
08-21-04 02:40 av710user Bugnote Added: 0001603
08-22-04 10:04 cabbagerat Bugnote Added: 0001608
======================================================================
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next reply other threads:[~2004-08-22 8:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-22 8:04 bugtrack [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-12-28 21:38 [ALSA - driver 0000433]: Clicking noise on some sample rates with Chaintech AV-710 (ICE1724) bugtrack
2005-12-28 20:57 bugtrack
2005-04-09 2:36 bugtrack
2004-09-01 21:23 bugtrack
2004-08-25 3:56 bugtrack
2004-08-25 1:00 bugtrack
2004-08-21 0:40 bugtrack
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