20 Dec
2012
20 Dec
'12
12:49 p.m.
Hi everyone,
already once in theater we had a problem with disturbing pops when an
audio stream was stopped or started from PC, that disappeared by using
an Edirol UA25EX as interface.
Now I notice that this problem afflicts also my laptop (either with
JACK or ALSA) and I really would like to get rid of it.
Is the crappy internal soundcard (Intel, chip Realtek
ALC269) the only one to blame? What could cause these pops?
Is there any way to deal with it at software level?
Thanks!
--
Marco
20 Dec
20 Dec
12:53 p.m.
On Thu, Dec 20, 2012 at 7:59 AM, Asa Marco <aesir.ml(a)gmail.com> wrote:
if you really want to go for it you could mess around with the h/w mixer
settings so that it is entirely muted when you start or stop it.
Hi everyone,
already once in theater we had a problem with disturbing pops when an
audio stream was stopped or started from PC, that disappeared by using
an Edirol UA25EX as interface.
Now I notice that this problem afflicts also my laptop (either with
JACK or ALSA) and I really would like to get rid of it.
Is the crappy internal soundcard (Intel, chip Realtek
ALC269) the only one to blame? What could cause these pops?
the audio hardware. almost certainly.
Is there any way to deal with it at software level?
1:24 p.m.
Il giorno Thu, 20 Dec 2012 06:53:33 -0500
Paul Davis <paul(a)linuxaudiosystems.com> ha scritto:
On Thu, Dec 20, 2012 at 7:59 AM, Asa Marco
<aesir.ml(a)gmail.com> wrote:
That's what I expected :(
Hi everyone,
already once in theater we had a problem with disturbing pops when
an audio stream was stopped or started from PC, that disappeared by
using an Edirol UA25EX as interface.
Now I notice that this problem afflicts also my laptop (either with
JACK or ALSA) and I really would like to get rid of it.
Is the crappy internal soundcard (Intel, chip Realtek
ALC269) the only one to blame? What could cause these pops?
the audio hardware. almost certainly.
Is there any way to deal with it at software level?
if you really want to go for it you could mess around with the h/w
mixer settings so that it is entirely muted when you start or stop it.
Do you intend some sort of quick fade out/fade in?
--
Marco
4:21 p.m.
On Thu, Dec 20, 2012 at 8:34 AM, Asa Marco <aesir.ml(a)gmail.com> wrote:
Il giorno Thu, 20 Dec 2012 06:53:33 -0500
Paul Davis <paul(a)linuxaudiosystems.com> ha scritto:
i don't really intend anything. what and how you would do this depends on
what level you're working at. as a user (not a developer), you would have
to bring up a h/w mixer app (alsamixer, gamix, qamix etc) and reset the
controls. there's nothing in JACK that would allow you to do this.
developing with ALSA would require you to learn the control API and use it
to modify the h/w mixer. i'm not even certain that this would work either.
if it did, it should probably be done in the device driver itself.
if you really want to go for it you could mess
around with the h/w
mixer settings so that it is entirely muted when you start or stop it.
Do you intend some sort of quick fade out/fade in?
4:44 p.m.
Am 20.12.2012 13:59, schrieb Asa Marco:
Hi everyone,
already once in theater we had a problem with disturbing pops when an
audio stream was stopped or started from PC, that disappeared by using
an Edirol UA25EX as interface.
Now I notice that this problem afflicts also my laptop (either with
JACK or ALSA) and I really would like to get rid of it.
Is the crappy internal soundcard (Intel, chip Realtek
ALC269) the only one to blame? What could cause these pops?
Is there any way to deal with it at software level?
Ususally when there's such a problem it happens when a program
opens/closes the (ALSA) device. In such case, using JACK helps since the
soundcard is "open" all the time. But since you say it happens when
using JACK, too I guess it might be a power-saving feature. Try
disabling power-saving / auto standby everywhere you can (BIOS, kernel
options, ...)
Jannis
8 p.m.
Il giorno Thu, 20 Dec 2012 13:38:49 +0100
Jannis Achstetter <jannis_achstetter(a)web.de> ha scritto:
Am 20.12.2012 13:59, schrieb Asa Marco:
This is reasonable but still I have no luck.
Searching on google I found
https://wiki.archlinux.org/index.php/Advanced_Linux_Sound_Architecture#Pops…
That seemed the solution for me since no options are avaiable in BIOS
to turn off powersave.
I'll continue experimenting.
Thank you all!
Hi everyone,
already once in theater we had a problem with disturbing pops when
an audio stream was stopped or started from PC, that disappeared by
using an Edirol UA25EX as interface.
Now I notice that this problem afflicts also my laptop (either with
JACK or ALSA) and I really would like to get rid of it.
Is the crappy internal soundcard (Intel, chip Realtek
ALC269) the only one to blame? What could cause these pops?
Is there any way to deal with it at software level?
Ususally when there's such a problem it happens when a program
opens/closes the (ALSA) device. In such case, using JACK helps since
the soundcard is "open" all the time. But since you say it happens
when using JACK, too I guess it might be a power-saving feature. Try
disabling power-saving / auto standby everywhere you can (BIOS, kernel
options, ...)
4348
days inactive
4348
days old
linux-audio-user@lists.linuxaudio.org
5 comments
3 participants
participants (3)
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Asa Marco -
Jannis Achstetter -
Paul Davis