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Thread: HOWTO: PulseAudio Fixes & System-Wide Equalizer Support

  1. #971
    Join Date
    Nov 2008
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    4

    Re: HOWTO: PulseAudio Fixes & System-Wide Equalizer Support (Hardy Heron)

    Quote Originally Posted by AstroLlama View Post
    ... I don't know if it is because of an update that I ran today, or because right after the update I happened to uncheck the 'external amplifier' switch in the volume control (right click on sound icon-> switches.)
    ...
    Where do you find the 'external amplifier' switch? Is it in the PA volume control, because I dont see it.

    I have a problem with very low volume even though all the volume controls i can find are on max. So i figured this might be my problem as well.

    Best regards

  2. #972
    Join Date
    Dec 2008
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    180
    Distro
    Ubuntu 11.10 Oneiric Ocelot

    Re: HOWTO: PulseAudio Fixes & System-Wide Equalizer Support

    I followed the steps in the 1st post for Intrepid, and have lost my HDMI audio output

    This just b/c I wanted sound from Firefox...

    How do I undo the complete system update I did, or shall I just wipe Ubuntu and start over?
    Last edited by zim2dive; December 19th, 2008 at 02:51 AM.

  3. #973
    Join Date
    Apr 2008
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    Within.
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    81
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: HOWTO: PulseAudio Fixes & System-Wide Equalizer Support

    I am not sure if it is from following appendix D of this guide or not, but the sound quality on my laptop is something that I notice is very bad right now, with at least one band overly represented...

    ...How can I tweak the eq myself? If not tweaking, how can I at least undo/redo the changes to listen to the difference? I don't understand exactly all that following appendix D is doing to my computer, so it's difficult to tell.

    K

  4. #974
    Join Date
    Apr 2006
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    88
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: HOWTO: PulseAudio Fixes & System-Wide Equalizer Support

    Thanks so much for this. I was having Flash audio issues with Hardy 64-bit and just decided to try this on a whim and it fixed the problems. It also works with the Flash 10 64-bit plugin from Adobe's site.

  5. #975
    Join Date
    Apr 2007
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    Copenhagen
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    140
    Distro
    Ubuntu 13.04 Raring Ringtail

    Re: HOWTO: PulseAudio Fixes & System-Wide Equalizer Support

    Thanks a lot for this guide. It fixed Firefox crashing with some flash contents.


    However, now I have to manually start the pulseaudio daemon in order to hear any sound.

    Also, running "sudo /etc/init.d/pulseaudio start" gives no output and doesn't start pulseaudio.

    I have to just type in "pulseaudio" in a terminal and keep that running.

    Any ideas what could be wrong?

    I'm running Hardy Heron i686:

    Code:
    rune@runescomp:~$ uname -a
    Linux runescomp 2.6.24-22-generic #1 SMP Mon Nov 24 18:32:42 UTC 2008 i686 GNU/Linux
    Output of aplay -l:

    Code:
    rune@runescomp:~$ aplay -l
    **** List of PLAYBACK Hardware Devices ****
    card 0: Intel [HDA Intel], device 0: ALC883 Analog [ALC883 Analog]
      Subdevices: 1/1
      Subdevice #0: subdevice #0
    card 0: Intel [HDA Intel], device 1: ALC883 Digital [ALC883 Digital]
      Subdevices: 1/1
      Subdevice #0: subdevice #0
    card 1: HDMI [HDA ATI HDMI], device 3: ATI HDMI [ATI HDMI]
      Subdevices: 1/1
      Subdevice #0: subdevice #0
    card 2: T71Space [Terratec Aureon 7.1-Space], device 0: ICE1724 [ICE1724]
      Subdevices: 1/1
      Subdevice #0: subdevice #0
    card 2: T71Space [Terratec Aureon 7.1-Space], device 1: IEC1724 IEC958 [IEC1724 IEC958]
      Subdevices: 1/1
      Subdevice #0: subdevice #0
    card 2: T71Space [Terratec Aureon 7.1-Space], device 2: ICE1724 Surrounds [ICE1724 Surround PCM]
      Subdevices: 3/3
      Subdevice #0: subdevice #0
      Subdevice #1: subdevice #1
      Subdevice #2: subdevice #2
    Output of "pkill pulseaudio; sleep 2; pulseaudio -vv":

    Code:
    rune@runescomp:/etc/init.d$ pkill pulseaudio; sleep 2; pulseaudio -vv
    I: main.c: Got signal SIGTERM.
    I: main.c: Exiting.
    I: main.c: Daemon shutdown initiated.
    I: module.c: Unloading "module-alsa-sink" (index: #0).
    D: module-rescue-streams.c: No sink inputs to move away.
    D: module-rescue-streams.c: No source outputs to move away.
    D: module-alsa-sink.c: Thread shutting down
    I: sink.c: Freeing sink 0 "alsa_output.pci_1412_1724_sound_card_0_alsa_playback_0"
    I: source.c: Freeing source 0 "alsa_output.pci_1412_1724_sound_card_0_alsa_playback_0.monitor"
    I: module.c: Unloaded "module-alsa-sink" (index: #0).
    I: module.c: Unloading "module-alsa-source" (index: #1).
    D: module-rescue-streams.c: No source outputs to move away.
    D: module-alsa-source.c: Thread shutting down
    I: source.c: Freeing source 1 "alsa_input.pci_1412_1724_sound_card_0_alsa_capture_0"
    I: module.c: Unloaded "module-alsa-source" (index: #1).
    I: module.c: Unloading "module-alsa-sink" (index: #2).
    D: module-rescue-streams.c: No sink inputs to move away.
    D: module-rescue-streams.c: No source outputs to move away.
    D: module-alsa-sink.c: Thread shutting down
    I: sink.c: Freeing sink 1 "alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0"
    I: source.c: Freeing source 2 "alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0.monitor"
    I: module.c: Unloaded "module-alsa-sink" (index: #2).
    I: module.c: Unloading "module-alsa-source" (index: #3).
    D: module-rescue-streams.c: No source outputs to move away.
    D: module-alsa-source.c: Thread shutting down
    I: source.c: Freeing source 3 "alsa_input.pci_8086_293e_sound_card_0_alsa_capture_0"
    I: module.c: Unloaded "module-alsa-source" (index: #3).
    I: module.c: Unloading "module-hal-detect" (index: #4).
    D: module-hal-detect.c: dbus: interface=org.freedesktop.DBus.Local, path=/org/freedesktop/DBus/Local, member=Disconnected
    I: module.c: Unloaded "module-hal-detect" (index: #4).
    I: module.c: Unloading "module-esound-protocol-unix" (index: #5).
    I: module.c: Unloaded "module-esound-protocol-unix" (index: #5).
    I: module.c: Unloading "module-native-protocol-unix" (index: #6).
    I: module.c: Unloaded "module-native-protocol-unix" (index: #6).
    I: module.c: Unloading "module-gconf" (index: #7).
    I: module.c: Unloaded "module-gconf" (index: #7).
    I: module.c: Unloading "module-volume-restore" (index: #8).
    I: module.c: Unloaded "module-volume-restore" (index: #8).
    I: module.c: Unloading "module-default-device-restore" (index: #9).
    I: module.c: Unloaded "module-default-device-restore" (index: #9).
    I: module.c: Unloading "module-rescue-streams" (index: #10).
    I: module.c: Unloaded "module-rescue-streams" (index: #10).
    I: module.c: Unloading "module-suspend-on-idle" (index: #11).
    I: module.c: Unloaded "module-suspend-on-idle" (index: #11).
    I: module.c: Unloading "module-x11-publish" (index: #12).
    I: module.c: Unloaded "module-x11-publish" (index: #12).
    I: main.c: Daemon terminated.
    [1]+  Exit 1                  pulseaudio -vv
    I: main.c: Called SUID root and real-time/high-priority scheduling was requested in the configuration. However, we lack the necessary priviliges:
    I: main.c: We are not in group 'pulse-rt' and PolicyKit refuse to grant us priviliges. Dropping SUID again.
    I: main.c: For enabling real-time scheduling please acquire the appropriate PolicyKit priviliges, or become a member of 'pulse-rt', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user.
    I: main.c: Note that real-time/high-priority scheduling is NOT normally required. If you experience crackling or other sound anomalies, consider one or more of the above solutions.
    I: main.c: High-priority scheduling enabled in configuration but now allowed by policy. Disabling forcibly.
    W: main.c: setrlimit(RLIMIT_NICE, (31, 31)) failed: Operation not permitted
    W: main.c: setrlimit(RLIMIT_RTPRIO, (9, 9)) failed: Operation not permitted
    I: main.c: This is PulseAudio 0.9.10
    I: main.c: Page size is 4096 bytes
    I: main.c: Fresh high-resolution timers available! Bon appetit!
    D: cli-command.c: Checking for existance of '/usr/lib/pulse-0.9/modules/module-hal-detect.so': success
    I: module-hal-detect.c: Trying capability alsa
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/computer_alsa_timer
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/computer_alsa_sequencer
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_1412_1724_sound_card_0_alsa_playback_2
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_1412_1724_sound_card_0_alsa_playback_1
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_1412_1724_sound_card_0_alsa_capture_1
    D: module-hal-detect.c: Loading module-alsa-sink with arguments 'device_id=2 sink_name=alsa_output.pci_1412_1724_sound_card_0_alsa_playback_0'
    D: alsa-util.c: Trying front:2...
    W: alsa-util.c: Device front:2 doesn't support sample format s16le, changed to s32le.
    I: module-alsa-sink.c: Successfully opened device front:2.
    I: module-alsa-sink.c: Successfully enabled mmap() mode.
    ALSA lib control.c:909:(snd_ctl_open_noupdate) Invalid CTL front:2
    I: alsa-util.c: Unable to attach to mixer front:2: No such file or directory
    I: alsa-util.c: Successfully attached to mixer 'hw:2'
    I: alsa-util.c: Using mixer control "Master".
    I: sink.c: Created sink 0 "alsa_output.pci_1412_1724_sound_card_0_alsa_playback_0" with sample spec "s32le 2ch 44100Hz"
    I: source.c: Created source 0 "alsa_output.pci_1412_1724_sound_card_0_alsa_playback_0.monitor" with sample spec "s32le 2ch 44100Hz"
    I: module-alsa-sink.c: Using 3 fragments of size 8832 bytes.
    I: alsa-util.c: All 2 channels can be mapped to mixer channels. Using hardware volume control.
    D: module-alsa-sink.c: Thread starting up
    D: rtpoll.c: Acquired POSIX realtime signal SIGRTMIN+29
    I: module-alsa-sink.c: Starting playback.
    I: module.c: Loaded "module-alsa-sink" (index: #0; argument: "device_id=2 sink_name=alsa_output.pci_1412_1724_sound_card_0_alsa_playback_0").
    D: module-hal-detect.c: Loading module-alsa-source with arguments 'device_id=2 source_name=alsa_input.pci_1412_1724_sound_card_0_alsa_capture_0'
    D: alsa-util.c: Trying front:2...
    W: alsa-util.c: Device front:2 doesn't support sample format s16le, changed to s32le.
    I: module-alsa-source.c: Successfully opened device front:2.
    I: module-alsa-source.c: Successfully enabled mmap() mode.
    ALSA lib control.c:909:(snd_ctl_open_noupdate) Invalid CTL front:2
    I: alsa-util.c: Unable to attach to mixer front:2: No such file or directory
    I: alsa-util.c: Successfully attached to mixer 'hw:2'
    I: alsa-util.c: Using mixer control "Capture".
    I: source.c: Created source 1 "alsa_input.pci_1412_1724_sound_card_0_alsa_capture_0" with sample spec "s32le 2ch 44100Hz"
    I: module-alsa-source.c: Using 3 fragments of size 8832 bytes.
    I: alsa-util.c: All 2 channels can be mapped to mixer channels. Using hardware volume control.
    D: module-alsa-source.c: Thread starting up
    D: rtpoll.c: Acquired POSIX realtime signal SIGRTMIN+28
    I: module.c: Loaded "module-alsa-source" (index: #1; argument: "device_id=2 source_name=alsa_input.pci_1412_1724_sound_card_0_alsa_capture_0").
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_1412_1724_sound_card_0_alsa_control__1
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_8086_293e_sound_card_0_alsa_capture_2
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_8086_293e_sound_card_0_alsa_playback_1
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_8086_293e_sound_card_0_alsa_capture_1
    D: module-hal-detect.c: Loading module-alsa-sink with arguments 'device_id=0 sink_name=alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0'
    D: alsa-util.c: Trying front:0...
    I: module-alsa-sink.c: Successfully opened device front:0.
    I: module-alsa-sink.c: Successfully enabled mmap() mode.
    ALSA lib control.c:909:(snd_ctl_open_noupdate) Invalid CTL front:0
    I: alsa-util.c: Unable to attach to mixer front:0: No such file or directory
    I: alsa-util.c: Successfully attached to mixer 'hw:0'
    I: alsa-util.c: Using mixer control "Master".
    I: sink.c: Created sink 1 "alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0" with sample spec "s16le 2ch 44100Hz"
    I: source.c: Created source 2 "alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0.monitor" with sample spec "s16le 2ch 44100Hz"
    I: module-alsa-sink.c: Using 4 fragments of size 4352 bytes.
    I: alsa-util.c: ALSA device lacks independant volume controls for each channel, falling back to software volume control.
    D: module-alsa-sink.c: Thread starting up
    D: rtpoll.c: Acquired POSIX realtime signal SIGRTMIN+27
    I: module-alsa-sink.c: Starting playback.
    I: module.c: Loaded "module-alsa-sink" (index: #2; argument: "device_id=0 sink_name=alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0").
    D: module-hal-detect.c: Loading module-alsa-source with arguments 'device_id=0 source_name=alsa_input.pci_8086_293e_sound_card_0_alsa_capture_0'
    D: alsa-util.c: Trying front:0...
    I: module-alsa-source.c: Successfully opened device front:0.
    I: module-alsa-source.c: Successfully enabled mmap() mode.
    ALSA lib control.c:909:(snd_ctl_open_noupdate) Invalid CTL front:0
    I: alsa-util.c: Unable to attach to mixer front:0: No such file or directory
    I: alsa-util.c: Successfully attached to mixer 'hw:0'
    I: alsa-util.c: Using mixer control "Capture".
    I: source.c: Created source 3 "alsa_input.pci_8086_293e_sound_card_0_alsa_capture_0" with sample spec "s16le 2ch 44100Hz"
    I: module-alsa-source.c: Using 4 fragments of size 4352 bytes.
    I: alsa-util.c: All 2 channels can be mapped to mixer channels. Using hardware volume control.
    D: module-alsa-source.c: Thread starting up
    D: rtpoll.c: Acquired POSIX realtime signal SIGRTMIN+26
    I: module.c: Loaded "module-alsa-source" (index: #3; argument: "device_id=0 source_name=alsa_input.pci_8086_293e_sound_card_0_alsa_capture_0").
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_8086_293e_sound_card_0_alsa_hw_specific_0
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_8086_293e_sound_card_0_alsa_control__1
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_1002_aa18_sound_card_0_alsa_playback_3
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_1002_aa18_sound_card_0_alsa_hw_specific_0
    D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_1002_aa18_sound_card_0_alsa_control__1
    I: module-hal-detect.c: Loaded 4 modules.
    I: module.c: Loaded "module-hal-detect" (index: #4; argument: "").
    D: cli-command.c: Checking for existance of '/usr/lib/pulse-0.9/modules/module-esound-protocol-unix.so': success
    I: module.c: Loaded "module-esound-protocol-unix" (index: #5; argument: "").
    I: protocol-native.c: loading cookie from disk.
    I: module.c: Loaded "module-native-protocol-unix" (index: #6; argument: "").
    D: cli-command.c: Checking for existance of '/usr/lib/pulse-0.9/modules/module-gconf.so': success
    I: module.c: Loaded "module-gconf" (index: #7; argument: "").
    I: module.c: Loaded "module-volume-restore" (index: #8; argument: "").
    D: module-default-device-restore.c: Restored default sink 'alsa_output.pci_1412_1724_sound_card_0_alsa_playback_0'.
    D: core-subscribe.c: dropped redundant event.
    D: module-default-device-restore.c: Restored default source 'alsa_input.pci_1412_1724_sound_card_0_alsa_capture_0'.
    I: module.c: Loaded "module-default-device-restore" (index: #9; argument: "").
    I: module.c: Loaded "module-rescue-streams" (index: #10; argument: "").
    D: module-suspend-on-idle.c: Sink alsa_output.pci_1412_1724_sound_card_0_alsa_playback_0 becomes idle.
    D: module-suspend-on-idle.c: Sink alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0 becomes idle.
    D: module-suspend-on-idle.c: Source alsa_output.pci_1412_1724_sound_card_0_alsa_playback_0.monitor becomes idle.
    D: module-suspend-on-idle.c: Source alsa_input.pci_1412_1724_sound_card_0_alsa_capture_0 becomes idle.
    D: module-suspend-on-idle.c: Source alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0.monitor becomes idle.
    D: module-suspend-on-idle.c: Source alsa_input.pci_8086_293e_sound_card_0_alsa_capture_0 becomes idle.
    I: module.c: Loaded "module-suspend-on-idle" (index: #11; argument: "").
    D: cli-command.c: Checking for existance of '/usr/lib/pulse-0.9/modules/module-x11-publish.so': success
    D: module-x11-publish.c: using already loaded auth cookie.
    I: module.c: Loaded "module-x11-publish" (index: #12; argument: "").
    I: main.c: Daemon startup complete.
    D: module-hal-detect.c: dbus: interface=org.freedesktop.DBus, path=/org/freedesktop/DBus, member=NameAcquired
    I: module-suspend-on-idle.c: Source alsa_input.pci_8086_293e_sound_card_0_alsa_capture_0 idle for too long, suspending ...
    I: module-alsa-source.c: Device suspended...
    I: module-suspend-on-idle.c: Source alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0.monitor idle for too long, suspending ...
    I: module-suspend-on-idle.c: Source alsa_input.pci_1412_1724_sound_card_0_alsa_capture_0 idle for too long, suspending ...
    I: module-alsa-source.c: Device suspended...
    I: module-suspend-on-idle.c: Source alsa_output.pci_1412_1724_sound_card_0_alsa_playback_0.monitor idle for too long, suspending ...
    I: module-suspend-on-idle.c: Sink alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0 idle for too long, suspending ...
    I: module-alsa-sink.c: Device suspended...
    I: module-suspend-on-idle.c: Sink alsa_output.pci_1412_1724_sound_card_0_alsa_playback_0 idle for too long, suspending ...
    I: module-alsa-sink.c: Device suspended...

  6. #976
    Join Date
    Jan 2008
    Location
    Davison, Michigan, U.S.A.
    Beans
    997

    Re: HOWTO: PulseAudio Fixes & System-Wide Equalizer Support

    I have finished following the instruction in the beginning of this thread. I have Intrepid. I followed parts A&C and then followed appendix D to add the equalizer.

    I do not have an equalizer that I can see. Where do I find it if it exists?
    Last edited by sofasurfer; December 22nd, 2008 at 07:31 AM.

  7. #977
    Join Date
    Jan 2008
    Location
    Davison, Michigan, U.S.A.
    Beans
    997

    Re: HOWTO: PulseAudio Fixes & System-Wide Equalizer Support

    Bump?

  8. #978
    Join Date
    Jan 2008
    Beans
    2

    Re: HOWTO: PulseAudio Fixes & System-Wide Equalizer Support

    When I added your repos to my software sources and did apt-get, there were no new updates. I'm guessing this is not supposed to be the case? I am absolutely sure that these packages have not been installed before (fresh install)

    This stuttering is driving me crazy! I've tried all sorts of buffer sizes and fragment combinations and it hasn't worked. So I'm hoping your as-yet undownload fixes will work... please help!

    My sound worked fine in Gutsy, was fixable in Hardy (following an older version of your guide), but now...

  9. #979
    Join Date
    Dec 2006
    Beans
    30

    Re: HOWTO: PulseAudio Fixes & System-Wide Equalizer Support

    Hi!

    I followed this guide cause I had some problems with Flash 10 under Hardy (flash didn't play any sound when another app like vlc was running). After having followed this guide, I can play Flash vids and music simultaneously, but I have another really annoying problem: I was used to control the volume with the mediakeys of my keyboard. Now I cannot control the volume any more with the mediakeys, I only can control it with the alsamixer.

    What can I do? Please, please help me.

    PS: I have a C-Media CMI8788 soundcard.

  10. #980
    Join Date
    Jul 2007
    Location
    Tompkinsville, KY
    Beans
    16
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: HOWTO: PulseAudio Fixes & System-Wide Equalizer Support

    Thanks psyke83 for this outstanding How-To, and all your work!

    It fixed the sound problem I was having on Hardy 8.04 with the SDL based Maelstrom game.
    Linux Registered ID # 136950

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