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Thread: How To: The (almost) Perfect Pulse Audio Setup

  1. #21
    Join Date
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    Ubuntu Development Release

    Re: How To: The (almost) Perfect Pulse Audio Setup

    Quote Originally Posted by zman0900 View Post
    From the SDL website: "Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer. It is used by MPEG playback software, emulators, and many popular games"

    If you run:
    Code:
    apt-cache rdepends libsdl1.2debian
    you can see all of the programs you have that use SDL. This list is very long for me, but the major things that this affect audio-wise are games.
    Sorry, didn't make myself clear. What does the patch you applied do? Cos I tried it but sdl games still don't work. Thanks.

  2. #22
    Join Date
    May 2006
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    5

    Re: How To: The (almost) Perfect Pulse Audio Setup

    I can hear sound on banshee, firefox and vlc at the same time.
    My only problem with pulseaudio is that when i'm hearing music and minimize/maximize any window the sound stutters. I still haven't found a solution for the problem

    Anyone else with the same problem?

  3. #23
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    Dec 2006
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    Ohio, USA
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    Re: How To: The (almost) Perfect Pulse Audio Setup

    Quote Originally Posted by durand View Post
    Sorry, didn't make myself clear. What does the patch you applied do? Cos I tried it but sdl games still don't work. Thanks.
    I believe the patch changes something with the buffering in the PulseAudio driver for games. If its not working for you, try running the game from a terminal like so:
    Code:
    SDL_AUDIODRIVER=pulse <game>
    If that work, you will need to add SDL_AUDIODRIVER=pulse to your environment permanently, which can be done by adding the following to ~/.profile:
    Code:
    export SDL_AUDIODRIVER=pulse

    Quote Originally Posted by SkratX View Post
    My only problem with pulseaudio is that when i'm hearing music and minimize/maximize any window the sound stutters. I still haven't found a solution for the problem
    Try editing /etc/pulse/daemon.conf. Make sure it has the following lines:
    Code:
    ; high-priority = yes
    ; nice-level = -11
    That's what mine has and it works ok, but if you don't have more than one processor, maybe a higher priority would be necessary, so you might play with the nice level a bit. Lower numbers are higher priority (i.e. try something like -13 or -15 if -11 isn't enough). I would probably avoid -20 though.

  4. #24
    Join Date
    Jan 2008
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    10

    Re: How To: The (almost) Perfect Pulse Audio Setup

    Great! Now I've gone from no surround sound to no sound at all
    Last edited by TerminusEst; May 4th, 2008 at 09:12 PM.

  5. #25
    Join Date
    May 2006
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    5

    Re: How To: The (almost) Perfect Pulse Audio Setup

    I have that on the daemon.conf file, but i still get the stutter

  6. #26
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    Dec 2006
    Location
    Ohio, USA
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    Re: How To: The (almost) Perfect Pulse Audio Setup

    Quote Originally Posted by SkratX View Post
    I have that on the daemon.conf file, but i still get the stutter
    I'm not sure what else to tell you about that. What are your computer's specs?

  7. #27
    Join Date
    May 2006
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    5

    Re: How To: The (almost) Perfect Pulse Audio Setup

    1.6GHz Centrino laptop, 1.2Gb RAM, Intel ICH6 is the sound device.
    Starting to think that this was not the best choice for ubuntu...this was, i think, the poorest release yet =(

    looks like there are many people with the same problem
    https://bugs.launchpad.net/ubuntu/+s...ux/+bug/190754
    Last edited by SkratX; May 5th, 2008 at 01:51 AM.

  8. #28
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    Re: How To: The (almost) Perfect Pulse Audio Setup

    Quote Originally Posted by SkratX View Post
    1.6GHz Centrino laptop, 1.2Gb RAM, Intel ICH6 is the sound device.
    Starting to think that this was not the best choice for ubuntu...this was, i think, the poorest release yet =(

    looks like there are many people with the same problem
    https://bugs.launchpad.net/ubuntu/+s...ux/+bug/190754
    It wouldn't surprise me if it is a bug in Pulse, it is a nice audio system, but it is far from being ready for main stream use. Putting it in a LTS distribution like this was probably not a great idea, but at least it will get some of the bugs out in the open. Though I really think there should be an easy option to remove it for those who don't feel/can't work around the bugs.

  9. #29
    Join Date
    Jun 2006
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    Washington DC, USA
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    Ubuntu

    Re: How To: The (almost) Perfect Pulse Audio Setup

    Quote Originally Posted by TerminusEst View Post
    Great! Now I've gone from no surround sound to no sound at all
    Same here, except I had sound before I followed this how-to. I had hoped to get sound in flash playback in Firefox but now I lost all sound.

    How do you reverse everything that was done in this how-to?
    -Matt
    (Ubuntu user #9138)
    (Linux User #419497)

  10. #30
    Join Date
    Nov 2005
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    Ubuntu Development Release

    Re: How To: The (almost) Perfect Pulse Audio Setup

    Quote Originally Posted by zman0900 View Post
    It wouldn't surprise me if it is a bug in Pulse, it is a nice audio system, but it is far from being ready for main stream use. Putting it in a LTS distribution like this was probably not a great idea, but at least it will get some of the bugs out in the open. Though I really think there should be an easy option to remove it for those who don't feel/can't work around the bugs.
    Here's how you can remove pulseaudio:

    From the ubuntu wiki:
    PulseAudio Removal

    If you decide you no longer like PulseAudio and would like to disable it: Remove the added lines to /etc/asound.conf If /etc/asound.conf did not exist when you installed PulseAudio, you may remove /etc/asound.conf entirely.

    After this, you may remove all of the installed PulseAudio packages.

    To disable pulseaudio in hardy you need to select alsa for for all options in /system/preferences/sound

    I myself am not sure if surround sound is working or not. I only need it for games but I'm not sure how to test it. It feels like surround sound but...

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