Index
Subject
: Re: LUG: Ubuntu 9.10 audio system
From
: Justin Parker <xjparkerx@gmail.[redacted]>
Date
: Fri, 06 Nov 2009 11:26:55 -0500
Parent
+1 for arch. Great distro. Once it's set up, it's there. I've been an
arch user for almost 2 years now and love pacman.
Justin
On Fri, 2009-11-06 at 11:08 -0500, Mikey wrote:
> My main development machine is running Arch Linux right now and I
> actually like it quite a lot. If you're person who likes to customize
> your entire work environment, its fantastic. The docs written for it
> are pretty nice as well, and it has a friendly community, so getting
> help when you need it is fairly easy. On the other hand, don't expect
> it to guide you through any of the setups, or really do anything at
> all for you. It expects you know what you're doing, and know what you
> want.
>
>
> Having said that, most of the system is easy to use if you know your
> way around a terminal. The package manager is dead simple and contains
> 99% of the packages you want, and the configuration don't usually
> require anything tricky. Its just the setup that can be somewhat
> difficult, but actually is a really good learning experience if you
> have some experience in Linux and would like to dig a little deeper
> than you usually have to in Ubuntu or Fedora.
>
>
> If you have any other questions, feel free to post them here in the
> list, or to contact me off list.
>
>
> Hope this helps!
>
>
> Michael Wright
> mdwrigh2@ncsu.[redacted]
> XXX-656-4962
>
> On Fri, Nov 6, 2009 at 2:45 AM, Syed Fahd <syd.fahd@gmail.[redacted]> wrote:
> Has anybody here tried Arch Linux?
>
>
> On Thu, Nov 5, 2009 at 10:30 PM, Richard Carter
> <rwcarter@ncsu.[redacted]> wrote:
> Well, it worked! Thanks for the solution (and sorry it
> took me several
> days to actually try it). The PCM volume seems to
> change
> logarithmically compared to the linear volume slider,
> but this may
> have been the behavior in 9.04 too and I just didn't
> notice. In any
> case, sound is at least normal now.
>
>
> On Mon, Nov 2, 2009 at 6:27 PM, Adam Guthrie
> <ispiked@gmail.[redacted]> wrote:
> > Ricket,
> >
> > Just because you tell PulseAudio not manage the
> volume of LFE does not
> > mean it will stay at one audible volume.
> Raising/lowering the
> > Master/PCM control will still cause the LFE to
> become more/less loud,
> > it just won't change its level in alsamixer.
> >
> > For example, I currently tell PulseAudio to ignore
> my Front and Side
> > volume controls. If I open up alsamixer and press my
> volume keys
> > up/down the loudness of my music still changes, but
> the levels of the
> > Front and Side controls in alsamixer stay fixed.
> >
> > I think you can mirror 9.04 configuration by making
> the following
> > changes
> to /usr/share/pulseaudio/alsa-mixer/paths/analog-output.conf:
> >
> > [Element Master]
> > switch = mute
> > -volume = merge
> > +volume = ignore
> > override-map.1 = all
> > override-map.2 = all-left,all-right
> >
>
> > [Element LFE]
> > switch = mute
> > -volume = merge
> > +volume = ignore
> > override-map.1 = lfe
> > override-map.2 = lfe,lfe
> >
>
> > Then go into alsamixer and bump up your Master and
> LFE volume levels
> > to 100%, just like you did in 9.04. You'll might
> need to save these
> > settings using:
> >
> > `alsactl -f asound.state.mine store 0; sudo mv
> asound.state.mine
> > /etc/asound.state'
> >
> > Then restart PulseAudio by logging out/in.
> PulseAudio should now only
> > mess with PCM when you press the volume keys on your
> laptop, just like
> > it did in 9.04.
> >
> > Ubuntu 9.04 actually used PulseAudio, it just didn't
> tie mixer
> > controls together like it does in 9.10. Apparently
> one of the
> > developers thought this would be a good idea and
> added it this summer
> > (see
> https://tango.0pointer.de/pipermail/pulseaudio-discuss/2009-June/004229.html).
> >
> > Good luck,
>
> > Adam
>
> >
> > On Mon, Nov 2, 2009 at 11:28 AM, Richard Carter
> <rwcarter@ncsu.[redacted]> wrote:
> >> Well, none of these suggestions quite worked...
> >>
> >> Alex, the PerfectSetup wiki entry didn't say much
> except how to get
> >> certain applications using PulseAudio instead of
> their default audio
> >> systems.
> >>
> >> Yanglei, I did install the mixer and it shows the
> volumes as before
> >> but the underlying problem is how to configure the
> volume control to
> >> change the PCM channel and not the master.
> >>
> >> Adam, I feel like that's a step in the right
> direction, but I don't
> >> want my LFE to stay at one volume, I actually want
> it to be
> >> controlled.
> >>
> >> Let me try to explain again. This is how it used to
> be:
> >> Three channels: Master, PCM, LFE. Ubuntu 9.04
> defaulted to the volume
> >> keys controlling the Master channel. So I would go
> into volume, put
> >> both Master and LFE at 100%, and set the keys to
> control the PCM
> >> channel. Apparently "Master" means my 2 stereo
> speakers and "LFE" is
> >> of course the mono subwoofer, and then PCM is like
> a master of the two
> >> volumes, so it worked perfectly. Well 9.10 goes
> back to controlling
> >> the Master channel and simultaneously tweaking LFE
> and PCM in odd
> >> increments, and now the Sound control panel has
> completely changed:
> >>
> http://img196.imageshack.us/img196/579/screenshot001tsc.png - Default
> >> Mixer Tracks is where I'd highlight the PCM and
> then the volume would
> >> be set to control the PCM. How do I do that now?
> >>
> >>
> >> On Mon, Nov 2, 2009 at 8:04 AM, Daniel Marcus
> <danielm.nc@gmail.[redacted]> wrote:
> >>> What mixer are you using? As far as I know, Pulse
> does not control that kind
> >>> of volume, that is done by ALSA still, at a driver
> level. I know KMix should
> >>> still show each individual device (once you enable
> that channel to display).
> >>>
> >>> Pulse should just identify itself to programs, and
> sit between them and ALSA
> >>> to handle mixing and such. It also can do a few
> other cool things (networked
> >>> sound!). Also, if you are in KDE and still having
> problems, just defer Pulse
> >>> to ALSA if you like a la Phonon.
> >>>
> >>> Positively,
> >>> Daniel S. Marcus
> >>> Omni Impact Small Business Services
> >>> Phone: (XXX) 926 9624
> >>> Business: daniel@omniimpact.[redacted]
> >>> Personal: daniel@d-site.[redacted]
> >>> Website: http://omniimpact.com
> >>>
> >>>
> >>> On Mon, Nov 2, 2009 at 7:56 AM, Adam Guthrie
> <ispiked@gmail.[redacted]> wrote:
> >>>>
> >>>> Right click on the Speaker icon in your
> notification area and go to
> >>>> the Hardware tab. You should be able to select
> some Analog Surround
> >>>> [...] Profile that matches your laptop's sound
> card. On the output tab
> >>>> you should now have controls for Balance, Fade
> and Subwoofer. Try
> >>>> turning down the subwoofer.
> >>>>
> >>>> If this doesn't work, there is a way you can tell
> PulseAudio not to
> >>>> control the LFE control; i.e. make it not be
> dependent on the Master
> >>>> volume. Go
> to /usr/share/pulseaudio/alsa-mixer/paths/ and edit
> >>>> analog-output.conf. Find the section for [Element
> LFE] and make the
> >>>> following change:
> >>>>
> >>>> [Element LFE]
> >>>> switch = mute
> >>>> volume = ignore
> >>>> override-map.1 = lfe
> >>>> override-map.2 = lfe,lfe
> >>>>
> >>>> Logout and log back in to restart PulseAudio.
> >>>>
> >>>> This will allow you to change the volume level in
> alsamixer without
> >>>> PulseAudio resetting it when you change the
> Master volume.
> >>>>
> >>>> Hope this works.
> >>>>
> >>>> Regards,
> >>>> Adam
> >>>>
> >>>> On Mon, Nov 2, 2009 at 12:58 AM, Richard Carter
> <rwcarter@ncsu.[redacted]> wrote:
> >>>> > So I've never understood the differences
> between OSS and ALSA, but now
> >>>> > 9.10 throws another one into the mix,
> PulseAudio (which apparently
> >>>> > sits on top of ALSA?).
> >>>> >
> >>>> > My laptop has a small "subwoofer" in it - it
> makes a very noticeable
> >>>> > difference in sound quality, and I quite like
> it. In past versions of
> >>>> > Ubuntu, the mixer had Master, PCM, and LFE
> (low-frequency emitter);
> >>>> > the latter being the subwoofer. Master controls
> my two normal
> >>>> > speakers' volumes, LFE controls the subwoofer,
> and PCM acts as a sort
> >>>> > of master between the two. So, I would turn
> Master and LFM to 100%,
> >>>> > and then hook my volume buttons to the PCM, and
> everything would be
> >>>> > great.
> >>>> >
> >>>> > Now I can only control Master, and my LFE is
> always set to loud. This
> >>>> > means that only one notch above muted, my main
> speakers are inaudible
> >>>> > but my LFE speaker is blaring. There's nothing
> in the volume control
> >>>> > other than left/right balance.
> >>>> >
> >>>> > When I run alsamixer -c 0 in terminal, I can
> see the PCM and the LFE,
> >>>> > but I have no idea how to configure it like I
> used to, so that volume
> >>>> > up/down buttons control the PCM.
> >>>> >
> >>>> > So anyway, with all this said, does anyone know
> how to allow the new
> >>>> > audio system to see and control my LFE as well
> as my speakers?
> >>>> >
> >>>> >
> >>>> > Thanks,
> >>>> > Ricket
> >>>> >
> >>>
> >>>
> >>
> >
>
>
>
>
>
>