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On Thursday 29 Dec 2016 12:26:23 Corbin Bird wrote: |
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> On 12/29/2016 07:21 AM, Mick wrote: |
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> > Hi All, |
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> > |
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> > My sound has been behaving erratically for a while now, probably since |
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> > pulseaudio started being shipped with various desktop applications. This |
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> > is what I am talking about: |
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> > |
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> > Sound level undesirable |
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> > ============== |
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> > Kmail pops up a warning and the sound level is 100%. The first time. On |
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> > the second warning when it happens a couple of seconds later, the sound |
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> > level is back down to normal levels, say 55%. Without me interfering |
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> > with any audio settings. |
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> > |
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> > Some time later another warning pops up and this time the sound may be |
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> > normal, a second warning a couple of seconds later may be back to 100%. |
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> > It appears to me as if sound levels generated by dekstop/application |
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> > warnings are adjusted dynamically on the fly and at will, but not my will |
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> > ... |
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> > |
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> > Non-KDE applications, e.g. Pidgin bleep at top volume when IMs are |
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> > sent/received. Adjusting their volume thankfully sticks, at least for the |
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> > desktop session in question. |
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> > |
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> > |
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> > Alsamixer |
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> > ====== |
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> > |
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> > Running alsamixer shows: |
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> > Card: PulseAudio |
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> > Chip: PulseAudio |
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> > |
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> > with a single Master bar for adjusting the volume. Selecting F6 shows |
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> > Sound Card set to (default), with 'HDA Intel MID' and 'HDA ATI HDMI' |
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> > below it. When I select 0 for 'HDA Intel MID' I get all my familiar |
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> > alsamixer settings back including Master, Headphones, Speaker, PCM, Mic, |
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> > etc. |
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> > |
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> > Adjusting these allow me to arrive at sane volume levels as used to be the |
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> > case in the past. However, the annoying thing is these settings do not |
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> > stick between reboots. |
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> > |
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> > |
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> > On another laptop with a different audio card, things are even stranger. |
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> > The card pops/crackles at boot time, but all sound is dead unless and |
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> > until I run alsactl init. Then if the sound gets quite loud, e.g. the |
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> > other side of a Skype call raises their voice above a certain level, all |
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> > sound is lost until I run alsactl init again. This is becoming tedious |
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> > to say the least. |
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> > |
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> > |
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> > Have you noticed anything similar to either of the above problems ? What |
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> > may be causing these problems and are there any fixes/workarounds? I |
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> > honestly can't recall sound ever being such a pain on my systems. |
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> |
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> Link : |
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> > https://wiki.gentoo.org/wiki/ALSA |
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> |
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> The link above is a good way to start. ( troubleshooting as well ) |
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> Gentoo has a boot shell script that does the "alsactl init" and shutdown |
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> for you. ( media-sound/alsa-utils ) |
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> Just be sure you also take a look at "/etc/modprobe.d/alsa.conf" and |
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> make the required changes there as well. |
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Thank you Corbin, I've already been through the article and my alsa.conf has |
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been working happily for years. This is a relatively recent problem though |
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and I haven't found anything in the article that mentions these symptoms or |
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addresses the problems I described above. |
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|
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-- |
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Regards, |
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Mick |
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