Audio snap, crackle, and pop

Paulo Cavalcanti promac at gmail.com
Sat Feb 28 18:08:53 UTC 2009


On Sat, Feb 28, 2009 at 2:17 PM, Steven Stern <
subscribed-lists at 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 at thesandhufamily.ca <mailto:m3freak at 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
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.9 (GNU/Linux)
> Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org
>
> iEYEARECAAYFAkmpcaIACgkQeERILVgMyvDADQCfaTLVH26GTc3vwrsFcrBsu5Cq
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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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