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#1 2009-01-05 10:18:28

bsdson.tw
Member
From: Taiwan
Registered: 2005-05-06
Posts: 161

A noise comes from my ear-phone

Hi,

If this post is in-appropriate for any reasons, please let me know, and I am sorry for that.

But I did google and follow the instructions on the wiki, and nothing helps.

A noise, sounds like electricity, just comes.
And another buzz sound comes together while moving the mouse.

My system is:
Mother board= ASUS P4P800 (ICH4-Inter ICH5, 82801EB/ER, AD1985)
Kernel=2.6.27.10-1
alsa-lib=1.0.18-1
alsa-utils=1.0.18-1

Does anyone use the same mother-board without sound problem?   or
anyone has a clue how to check out the problem?

thx

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#2 2009-01-05 10:44:22

wuischke
Member
From: Suisse Romande
Registered: 2007-01-06
Posts: 630

Re: A noise comes from my ear-phone

Please check your sound levels. PCM should be at 0 Db, if you set it higher, you'll get noise. I remember reading about sound problems related to mouse moving (something with firefox, I think), but I forgot the details, sorry.

You might also give OSS4 a try.

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#3 2009-01-05 12:02:05

timetrap
Member
From: Here and There
Registered: 2008-06-05
Posts: 342
Website

Re: A noise comes from my ear-phone

Do you have a wireless mouse? Depending on the mouse/headpone combo it is possible that your headphones are acting like an antenna.  Lord knows my GSM cell phone has almost deafened me when it's laying near my headphone cable.

Try another mouse (if it's wireless, use a wired. If it's wired, use a different wired.)

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#4 2009-01-07 03:42:05

bsdson.tw
Member
From: Taiwan
Registered: 2005-05-06
Posts: 161

Re: A noise comes from my ear-phone

Thanks, wuischke and timetrap.
But all those do not work. sad

1. My mouse is wired.

2. I set PCM gain to 0dB, it doesn't help. So I tried to set all of them to 0dB, nothing changes, neither.
    Then I tried to mute them all, but the noise still exists.

3. At last, I tried to stop ALSA, and as usual, the noise is still there.
   But this makes me wonder if this is related to ALSA or it is a hardware problem?

BR,
bsdson.tw

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#5 2009-01-07 03:46:00

Ghost1227
Forum Fellow
From: Omaha, NE, USA
Registered: 2008-04-21
Posts: 1,422
Website

Re: A noise comes from my ear-phone

I read the title and my first thought was "isn't noise supposed to come from your earphones?" lol


.:[My Blog] || [My GitHub]:.

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#6 2009-01-07 10:14:39

ichbinesderelch
Member
Registered: 2008-01-17
Posts: 203

Re: A noise comes from my ear-phone

maybe mute your mic? had wired some comming from an unmuted mic myself

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#7 2009-01-07 10:53:54

kgas
Member
From: Qatar
Registered: 2008-11-08
Posts: 718

Re: A noise comes from my ear-phone

In my laptop some time I used to get a long beep sound if I close the lit. If open then all seems to be ok. I blocked the pc speaker after that  every thing is ok. (modprobe -r pcspkr).

Last edited by kgas (2009-01-07 10:54:25)

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#8 2009-01-07 12:56:58

andre.ramaciotti
Member
From: Brazil
Registered: 2007-04-06
Posts: 649

Re: A noise comes from my ear-phone

Does this noise only happen when you're on Arch? It seems to me that it's a hardware problem.


(lambda ())

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#9 2009-01-09 08:48:44

bsdson.tw
Member
From: Taiwan
Registered: 2005-05-06
Posts: 161

Re: A noise comes from my ear-phone

Thank all of you. smile

I tried Ubuntu Live CD, and the noise still comes out.
So how can I be sure if it is a "hardware" problem?

I mean... the noise comes out while "udevadm settle" (in /etc/rc.sysinit) had finished.
If it is a "hardware" problem, shouldn't it comes out even in.... BIOS (or GRUB) ?
Besides, udevadm settle is used to load kernel modules, so it is quite reasonable to say that
there must be some modules which cause this problem, right?

Also I tried to remove kernel modules used by none, but it doesn't help, neither.
Those modules still loaded are:

Module                  Size  Used by
snd_intel8x0           30748  2
snd_ac97_codec        100516  1 snd_intel8x0
ac97_bus                3584  1 snd_ac97_codec
snd_pcm                69636  2 snd_intel8x0,snd_ac97_codec
snd_timer              21384  1 snd_pcm
snd                    50724  8 snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
soundcore               8160  1 snd
intel_agp              27068  1
snd_page_alloc          9224  2 snd_intel8x0,snd_pcm
usbcore               134384  1
agpgart                30804  1 intel_agp
evdev                  11296  3
ext3                  126344  2
jbd                    46484  1 ext3
mbcache                 8708  1 ext3
sd_mod                 27160  4
ata_piix               18308  3
libata                153888  1 ata_piix
scsi_mod               96460  2 sd_mod,libata
dock                    9616  1 libata

It seems that there is nothing I can do... sad

Last edited by bsdson.tw (2009-01-09 08:51:03)

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#10 2009-01-12 04:17:36

leeyee
Member
From: Kingston, Canada
Registered: 2009-01-07
Posts: 150

Re: A noise comes from my ear-phone

Hi, I think i have similar problem with you, on my Thinkpad T400. But my problem is randomly happened, I cannot re-produce it at present.

There would be a noisy electricity noise, hearing like "ci...ci.....zi....ci...." after system boots up, then there will be a process "canberra-gtk-pl" occupy CPU for a long time, and the noise is still there. When this happened, sound system was broken. If I chose to test sound in "Preference->Sound", it would freeze; If I chose to play music in Rhythmbox, there was no sound, only song names scrolling. The noise can be muted by pressing MUTE button. But if un-mute, it comes again!

However, this problem is randomly happened, other times everything work fine! and it's fine up to I realized to check the forum, so I don't know if this is related to snd_pscp or pcspkr module, in the fine working system, there is no snd_pcsp or pcspkr module list in lsmod.

If you still have this problem, try to add "!snd_pcsp !pcspkr" into MODULES array in rc.conf to disable PC speaker so as it won't interfere sound card and to see if this helps.

Last edited by leeyee (2009-01-12 04:21:07)


Archlinux x86_64 on Thinkpad T400
Intel X4500MHD / ATI HD3470 Graphics, 2G RAM, 160G HD

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#11 2009-01-12 05:27:47

deconstrained
Member
Registered: 2008-03-31
Posts: 49

Re: A noise comes from my ear-phone

It may just be the audio device - i.e. a hardware thing. I remember getting occasional high pitched whines and some buzzing as well from my ATI "Azalia" onboard audio controller and thought it was a Linux issue, but then I installed Windows XP on a separate HDD partition and had the exact same problem. I then installed a decent sound card with a C-Media 8738 chipset in it, and never heard whining again in either OS.

Last edited by deconstrained (2009-01-12 05:28:36)

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#12 2009-01-12 06:05:58

aantipop
Member
Registered: 2008-02-15
Posts: 46

Re: A noise comes from my ear-phone

happens to me too if i have the mic boost at 100%, but with 66% everything is fine


rainbow networks - we bring colour to your gibs

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#13 2009-01-12 06:08:48

Allan
Pacman
From: Brisbane, AU
Registered: 2007-06-09
Posts: 11,365
Website

Re: A noise comes from my ear-phone

There is in the other/archboot/ directory of your favourite mirror.

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#14 2009-04-14 23:26:27

tigersuit
Member
From: Cologne
Registered: 2009-04-11
Posts: 5

Re: A noise comes from my ear-phone

I had the exact same problem on my Dell Vostro 1310 with Intel82801H HDA.
The solution for me was muting "beep" in ALSAmixer.

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