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Re: Audio snap, crackle, and pop





On Sat, Feb 28, 2009 at 2:17 PM, Steven Stern <subscribed-lists sterndata com> wrote:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 02/28/2009 11:10 AM, Paulo Cavalcanti wrote:
>
>
> On Sat, Feb 28, 2009 at 2:00 PM, Kanwar Ranbir Sandhu
> <m3freak thesandhufamily ca <mailto:m3freak thesandhufamily ca>> wrote:
>
>     On Sat, 2009-02-28 at 10:31 -0600, Steven Stern wrote:
>     > Since the last bunch of updates to F10, music played on my pc now
>     does a
>     > good imitation of old, scratchy vinyl.  There are snaps and pops.
>     >
>     > Sound card:
>     > - -- Multimedia audio controller: Creative Labs CA0106 Soundblaster
>
>     I'm seeing the same with my P5Q-E on board sound, and the on board sound
>     on my HP nx7400 laptop (I don't have the sound card specs for that one).
>
>     Rather annoying, it is!
>
>
> Can you run
>
> /usr/bin/alsa-info.sh --no-upload
>
> and post the result here?
>
> You need to have alsa-utils installed.
>
> Thanks.
>
> --
> Paulo Roma Cavalcanti
> LCG - UFRJ
>
upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.52
!!################################

!!Script ran on: Sat Feb 28 11:15:21 CST 2009


!!Linux Distribution
!!------------------

Fedora release 10 (Cambridge) Fedora release 10 (Cambridge) Fedora
release 10 (Cambridge) Fedora release 10 (Cambridge)


!!Kernel Information
!!------------------

Kernel release:    2.6.27.15-170.2.24.fc10.i686
Operating System:  GNU/Linux
Architecture:      i686
Processor:         i686
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     1.0.17
Library version:
Utilities version:  1.0.19


!!Loaded ALSA modules
!!-------------------

snd_ca0106
snd_usb_audio


!!Soundcards recognised by ALSA
!!-----------------------------

 0 [CA0106         ]: CA0106 - CA0106
                     Live! 7.1 24bit [SB0413] at 0xc8e0 irq 17
 1 [U0x46d0x9a1    ]: USB-Audio - USB Device 0x46d:0x9a1
                     USB Device 0x46d:0x9a1 at usb-0000:00:1d.7-4, high
speed


!!PCI Soundcards installed in the system
!!--------------------------------------

04:01.0 Multimedia audio controller: Creative Labs CA0106 Soundblaster


!!Advanced information - PCI Vendor/Device/Susbsystem ID's
!!--------------------------------------------------------

04:01.0 0401: 1102:0007
       Subsystem: 1102:1007


!!Loaded sound module options
!!--------------------------

!!Module: snd_ca0106
enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y
id :
<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
index :
-
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
subsystem : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

!!Module: snd_usb_audio
async_unlink : Y
device_setup :
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y
id :
<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
index :
-
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
nrpacks : 8
pid :
-
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
vid :
-
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1


!!ALSA Device nodes
!!-----------------

crw-rw----+ 1 root root 116, 13 2009-02-25 07:33 /dev/snd/controlC0
crw-rw----+ 1 root root 116, 15 2009-02-25 20:42 /dev/snd/controlC1
crw-rw----+ 1 root root 116,  4 2009-02-25 07:33 /dev/snd/midiC0D0
crw-rw----+ 1 root root 116, 12 2009-02-28 10:28 /dev/snd/pcmC0D0c
crw-rw----+ 1 root root 116, 11 2009-02-25 21:15 /dev/snd/pcmC0D0p
crw-rw----+ 1 root root 116, 10 2009-02-25 07:33 /dev/snd/pcmC0D1c
crw-rw----+ 1 root root 116,  9 2009-02-25 07:33 /dev/snd/pcmC0D1p
crw-rw----+ 1 root root 116,  8 2009-02-25 07:33 /dev/snd/pcmC0D2c
crw-rw----+ 1 root root 116,  7 2009-02-25 07:33 /dev/snd/pcmC0D2p
crw-rw----+ 1 root root 116,  6 2009-02-25 07:33 /dev/snd/pcmC0D3c
crw-rw----+ 1 root root 116,  5 2009-02-25 07:33 /dev/snd/pcmC0D3p
crw-rw----+ 1 root root 116, 14 2009-02-28 10:28 /dev/snd/pcmC1D0c
crw-rw----+ 1 root root 116,  3 2009-02-25 07:33 /dev/snd/seq
crw-rw----+ 1 root root 116,  2 2009-02-25 07:33 /dev/snd/timer


!!ALSA configuration files
!!------------------------

!!System wide config file (/etc/asound.conf)

#
# Place your global alsa-lib configuration here...
#

@hooks [
       {
               func load
               files [
                       "/etc/alsa/pulse-default.conf"
               ]
               errors false
       }
]


!!Aplay/Arecord output
!!------------

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: CA0106 [CA0106], device 0: ca0106 [CA0106]
 Subdevices: 0/1
 Subdevice #0: subdevice #0
card 0: CA0106 [CA0106], device 1: ca0106 [CA0106]
 Subdevices: 1/1
 Subdevice #0: subdevice #0
card 0: CA0106 [CA0106], device 2: ca0106 [CA0106]
 Subdevices: 1/1
 Subdevice #0: subdevice #0
card 0: CA0106 [CA0106], device 3: ca0106 [CA0106]
 Subdevices: 1/1
 Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: CA0106 [CA0106], device 0: ca0106 [CA0106]
 Subdevices: 1/1
 Subdevice #0: subdevice #0
card 0: CA0106 [CA0106], device 1: ca0106 [CA0106]
 Subdevices: 1/1
 Subdevice #0: subdevice #0
card 0: CA0106 [CA0106], device 2: ca0106 [CA0106]
 Subdevices: 1/1
 Subdevice #0: subdevice #0
card 0: CA0106 [CA0106], device 3: ca0106 [CA0106]
 Subdevices: 1/1
 Subdevice #0: subdevice #0
card 1: U0x46d0x9a1 [USB Device 0x46d:0x9a1], device 0: USB Audio [USB
Audio]
 Subdevices: 1/1
 Subdevice #0: subdevice #0

!!Amixer output
!!-------------

!!-------Mixer controls for card 0 [CA0106]

Card hw:0 'CA0106'/'Live! 7.1 24bit [SB0413] at 0xc8e0 irq 17'
 Mixer name    : ''
 Components    : ''
 Controls      : 25
 Simple ctrls  : 17
Simple mixer control 'Line in',0
 Capabilities: cvolume
 Capture channels: Front Left - Front Right
 Limits: Capture 0 - 255
 Front Left: Capture 207 [81%] [0.00dB]
 Front Right: Capture 207 [81%] [0.00dB]
Simple mixer control 'Mic',0
 Capabilities: cvolume
 Capture channels: Front Left - Front Right
 Limits: Capture 0 - 255
 Front Left: Capture 255 [100%] [24.00dB]
 Front Right: Capture 255 [100%] [24.00dB]
Simple mixer control 'Phone',0
 Capabilities: cvolume
 Capture channels: Front Left - Front Right
 Limits: Capture 0 - 255
 Front Left: Capture 207 [81%] [0.00dB]
 Front Right: Capture 207 [81%] [0.00dB]
Simple mixer control 'IEC958',0
 Capabilities: pswitch pswitch-joined
 Playback channels: Mono
 Mono: Playback [off]
Simple mixer control 'IEC958 Center/LFE',0
 Capabilities: pvolume
 Playback channels: Front Left - Front Right
 Limits: Playback 0 - 255
 Mono:
 Front Left: Playback 221 [87%] [3.50dB]
 Front Right: Playback 221 [87%] [3.50dB]
Simple mixer control 'IEC958 Front',0
 Capabilities: pvolume
 Playback channels: Front Left - Front Right
 Limits: Playback 0 - 255
 Mono:
 Front Left: Playback 0 [0%] [-99999.99dB]
 Front Right: Playback 0 [0%] [-99999.99dB]
Simple mixer control 'IEC958 Rear',0
 Capabilities: pvolume
 Playback channels: Front Left - Front Right
 Limits: Playback 0 - 255
 Mono:
 Front Left: Playback 0 [0%] [-99999.99dB]
 Front Right: Playback 0 [0%] [-99999.99dB]
Simple mixer control 'IEC958 Unknown',0
 Capabilities: pvolume
 Playback channels: Front Left - Front Right
 Limits: Playback 0 - 255
 Mono:
 Front Left: Playback 0 [0%] [-99999.99dB]
 Front Right: Playback 0 [0%] [-99999.99dB]
Simple mixer control 'Aux',0
 Capabilities: cvolume
 Capture channels: Front Left - Front Right
 Limits: Capture 0 - 255
 Front Left: Capture 207 [81%] [0.00dB]
 Front Right: Capture 207 [81%] [0.00dB]
Simple mixer control 'Analog Center/LFE',0
 Capabilities: pvolume
 Playback channels: Front Left - Front Right
 Limits: Playback 0 - 255
 Mono:
 Front Left: Playback 0 [0%] [-99999.99dB]
 Front Right: Playback 0 [0%] [-99999.99dB]
Simple mixer control 'Analog Front',0
 Capabilities: pvolume
 Playback channels: Front Left - Front Right
 Limits: Playback 0 - 255
 Mono:
 Front Left: Playback 153 [60%] [-13.50dB]
 Front Right: Playback 153 [60%] [-13.50dB]
Simple mixer control 'Analog Rear',0
 Capabilities: pvolume
 Playback channels: Front Left - Front Right
 Limits: Playback 0 - 255
 Mono:
 Front Left: Playback 191 [75%] [-4.00dB]
 Front Right: Playback 191 [75%] [-4.00dB]
Simple mixer control 'Analog Side',0
 Capabilities: pvolume
 Playback channels: Front Left - Front Right
 Limits: Playback 0 - 255
 Mono:
 Front Left: Playback 0 [0%] [-99999.99dB]
 Front Right: Playback 0 [0%] [-99999.99dB]
Simple mixer control 'Analog Source',0
 Capabilities: cenum
 Items: 'Phone' 'Mic' 'Line in' 'Aux'
 Item0: 'Line in'
Simple mixer control 'CAPTURE feedback',0
 Capabilities: pvolume
 Playback channels: Front Left - Front Right
 Limits: Playback 0 - 255
 Mono:
 Front Left: Playback 0 [0%] [-99999.99dB]
 Front Right: Playback 0 [0%] [-99999.99dB]
Simple mixer control 'Digital Source',0
 Capabilities: cenum
 Items: 'IEC958 out' 'i2s mixer out' 'IEC958 in' 'i2s in' 'AC97 in'
'SRC out'
 Item0: 'i2s in'
Simple mixer control 'Shared Mic/Line in',0
 Capabilities: cenum
 Items: 'Line in' 'Mic in'
 Item0: 'Line in'

!!-------Mixer controls for card 1 [U0x46d0x9a1]

Card hw:1 'U0x46d0x9a1'/'USB Device 0x46d:0x9a1 at usb-0000:00:1d.7-4,
high speed'
 Mixer name    : 'USB Mixer'
 Components    : 'USB046d:09a1'
 Controls      : 2
 Simple ctrls  : 1
Simple mixer control 'Mic',0
 Capabilities: cvolume cvolume-joined cswitch cswitch-joined
 Capture channels: Mono
 Limits: Capture 0 - 3072
 Mono: Capture 545 [18%] [18.00dB] [on]


!!Alsactl output
!!-------------

- --startcollapse--
state.CA0106 {
       control.1 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -5175
               comment.dbmax 1200
               iface MIXER
               name 'Analog Front Playback Volume'
               value.0 153
               value.1 153
       }
       control.2 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -5175
               comment.dbmax 1200
               iface MIXER
               name 'Analog Rear Playback Volume'
               value.0 191
               value.1 191
       }
       control.3 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -5175
               comment.dbmax 1200
               iface MIXER
               name 'Analog Center/LFE Playback Volume'
               value.0 0
               value.1 0
       }
       control.4 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -5175
               comment.dbmax 1200
               iface MIXER
               name 'Analog Side Playback Volume'
               value.0 0
               value.1 0
       }
       control.5 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -5175
               comment.dbmax 1200
               iface MIXER
               name 'IEC958 Front Playback Volume'
               value.0 0
               value.1 0
       }
       control.6 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -5175
               comment.dbmax 1200
               iface MIXER
               name 'IEC958 Rear Playback Volume'
               value.0 0
               value.1 0
       }
       control.7 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -5175
               comment.dbmax 1200
               iface MIXER
               name 'IEC958 Center/LFE Playback Volume'
               value.0 221
               value.1 221
       }
       control.8 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -5175
               comment.dbmax 1200
               iface MIXER
               name 'IEC958 Unknown Playback Volume'
               value.0 0
               value.1 0
       }
       control.9 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -5175
               comment.dbmax 1200
               iface MIXER
               name 'CAPTURE feedback Playback Volume'
               value.0 0
               value.1 0
       }
       control.10 {
               comment.access read
               comment.type IEC958
               comment.count 1
               iface PCM
               name 'IEC958 Playback Mask'
               value
ffffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
       }
       control.11 {
               comment.access read
               comment.type IEC958
               comment.count 1
               iface PCM
               name 'IEC958 Playback Mask'
               index 1
               value
ffffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
       }
       control.12 {
               comment.access read
               comment.type IEC958
               comment.count 1
               iface PCM
               name 'IEC958 Playback Mask'
               index 2
               value
ffffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
       }
       control.13 {
               comment.access read
               comment.type IEC958
               comment.count 1
               iface PCM
               name 'IEC958 Playback Mask'
               index 3
               value
ffffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
       }
       control.14 {
               comment.access 'read write'
               comment.type BOOLEAN
               comment.count 1
               iface MIXER
               name 'IEC958 Playback Switch'
               value false
       }
       control.15 {
               comment.access 'read write'
               comment.type ENUMERATED
               comment.count 1
               comment.item.0 'IEC958 out'
               comment.item.1 'i2s mixer out'
               comment.item.2 'IEC958 in'
               comment.item.3 'i2s in'
               comment.item.4 'AC97 in'
               comment.item.5 'SRC out'
               iface MIXER
               name 'Digital Source Capture Enum'
               value 'i2s in'
       }
       control.16 {
               comment.access 'read write'
               comment.type ENUMERATED
               comment.count 1
               comment.item.0 Phone
               comment.item.1 Mic
               comment.item.2 'Line in'
               comment.item.3 Aux
               iface MIXER
               name 'Analog Source Capture Enum'
               value 'Line in'
       }
       control.17 {
               comment.access 'read write'
               comment.type IEC958
               comment.count 1
               iface PCM
               name 'IEC958 Playback Default'
               value
'0492100200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
       }
       control.18 {
               comment.access 'read write'
               comment.type IEC958
               comment.count 1
               iface PCM
               name 'IEC958 Playback Default'
               index 1
               value
'0492100200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
       }
       control.19 {
               comment.access 'read write'
               comment.type IEC958
               comment.count 1
               iface PCM
               name 'IEC958 Playback Default'
               index 2
               value
'0492100200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
       }
       control.20 {
               comment.access 'read write'
               comment.type IEC958
               comment.count 1
               iface PCM
               name 'IEC958 Playback Default'
               index 3
               value
'0492100200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
       }
       control.21 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -10350
               comment.dbmax 2400
               iface MIXER
               name 'Phone Capture Volume'
               value.0 207
               value.1 207
       }
       control.22 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -10350
               comment.dbmax 2400
               iface MIXER
               name 'Mic Capture Volume'
               value.0 255
               value.1 255
       }
       control.23 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -10350
               comment.dbmax 2400
               iface MIXER
               name 'Line in Capture Volume'
               value.0 207
               value.1 207
       }
       control.24 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 2
               comment.range '0 - 255'
               comment.dbmin -10350
               comment.dbmax 2400
               iface MIXER
               name 'Aux Capture Volume'
               value.0 207
               value.1 207
       }
       control.25 {
               comment.access 'read write'
               comment.type ENUMERATED
               comment.count 1
               comment.item.0 'Line in'
               comment.item.1 'Mic in'
               iface MIXER
               name 'Shared Mic/Line in Capture Switch'
               value 'Line in'
       }
}
state.U0x46d0x9a1 {
       control.1 {
               comment.access 'read write'
               comment.type BOOLEAN
               comment.count 1
               iface MIXER
               name 'Mic Capture Switch'
               value true
       }
       control.2 {
               comment.access 'read write'
               comment.type INTEGER
               comment.count 1
               comment.range '0 - 3072'
               comment.dbmin 1800
               comment.dbmax 1800
               iface MIXER
               name 'Mic Capture Volume'
               value 545
       }
}
- --endcollapse--


!!All Loaded Modules
!!------------------

Module
snd_usb_audio
uvcvideo
compat_ioctl32
snd_usb_lib
videodev
v4l1_compat
snd_hwdep
vfat
fat
fuse
sunrpc
nf_conntrack_netbios_ns
ip6t_REJECT
nf_conntrack_ipv6
ip6table_filter
ip6_tables
ipv6
p4_clockmod
dm_multipath
uinput
ppdev
snd_ca0106
snd_rawmidi
snd_ac97_codec
snd_seq_dummy
arc4
snd_seq_oss
snd_seq_midi_event
ecb
snd_seq
crypto_blkcipher
snd_seq_device
snd_pcm_oss
dcdbas
snd_mixer_oss
snd_pcm
pcspkr
snd_timer
iTCO_wdt
iTCO_vendor_support
i2c_i801
snd
ath5k
mac80211
soundcore
cfg80211
ac97_bus
snd_page_alloc
parport_pc
usb_storage
parport
usblp
tg3
libphy
radeon
drm
i2c_algo_bit
i2c_core



- --

 Steve
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I do not see anything wrong. You do not even have a .asoundrc.
You should check, first, whether you have a cabling problem.
Make your tests with the usb device unpluged, if possible.

Driver version:     1.0.17
Library version:
Utilities version:  1.0.19

I do not understand  why the library version was not printed, but you said
you have alsa-lib-1.0.19-2.fc10.i386.

If you updated recently, I advise a reboot. If you have already done that,
then I suggest you upgrade alsa-driver to 1.0.19 to match your lib version.

http://dl.atrpms.net/f10-i386/atrpms/stable/alsa-kmdl-2.6.27.15-170.2.24.fc10-1.0.19-77.fc10.i686.rpm

This rpm will just install the alsa modules version 1.0.19.
If you think the result is not better, you can just uninstall it (no
kernel module is overwriten).

In either case, you need to reboot to reload the new modules.
Also, remember to adjust the mixer levels appropriately.

Cheers.

--
Paulo Roma Cavalcanti
LCG - UFRJ

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