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Thread: Sound troubleshooting

  1. #251
    Join Date
    Apr 2016
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    1

    Re: Sound troubleshooting

    I just clean installed Ubuntu 16.04 but now the external speaker is not recognized, only the internal one is used, even though I've been using the external speaker for a very long time before installing Ubuntu.
    Here are the results of "wget -O alsa-info.sh http://www.alsa-project.org/alsa-info.sh && chmod +x ./alsa-info.sh && ./alsa-info.sh
    " http://www.alsa-project.org/db/?f=64...5aa480dfd02421"
    Please help me, thank you very much!

  2. #252
    Join Date
    Jul 2016
    Beans
    23

    Re: Sound troubleshooting

    As far as I can tell, those troubleshooting links pertain to a situation in which sound does not work at all. What about when sound works but has flaws?

    Specifically, I am hearing a lot of front-end clipping in all of my audio applications. That is, whether using vlc or gplayer or a web browser, I get the first half-second or so of the sound cut off. So, an mp3 song will begin a little after the first beat. It seems especially bad in audio books, where almost every sentence starts late.

    I know it's not the files, because they work fine under <gasp!> micro$oft OSs.

    Can someone point me in the direction to address this issue? Do you need specifics of my Ubuntu setup? (16.04) soundcard? what else?

    [just found out it was my blue tooth device! It only works right in "headphone" mode, not in "audio sink" mode]
    Last edited by jvglynnjr; January 6th, 2017 at 01:44 AM.

  3. #253
    Join Date
    Jan 2017
    Beans
    4

    Re: Sound troubleshooting

    hello and good day to you fellow ubuntu-ers!

    i have an acer aspire one a0751h netbook/laptop and have recently installed the newest version of ubuntu

    i have a problem when i play back music no matterer what the playback program whether its firefox, music, rhythm box, VLC player etc...

    my issue is that the music is choppy and the second by second speed is way too fast this happens on all of the above programs

    it is driving me nuts - i just want to listen to some music!

    i have tried various solutions with no remedy, iu have tried to install the realtek codecs, the alsa drivers and some others that i found from google

    to recap: TLDR;

    music choppy and sped up
    adcer aspire one a0751h netbook/laptop
    fresh install of ubuntu latest version 16.10 (updated today 5th jan 2017)
    GNOME ALSA mixer PCM slider does nothing to help
    GNOME ALSA mixer states "Realtek ALC272X"


    thankyou in advance

  4. #254
    Join Date
    Oct 2009
    Location
    Reykjavík, Ísland
    Beans
    13,647
    Distro
    Xubuntu

    Re: Sound troubleshooting

    Quote Originally Posted by jvglynnjr View Post
    just found out it was my blue tooth device! It only works right in "headphone" mode, not in "audio sink" mode
    Thanks for posting the solution. I had not guessed that.
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts.
    Don't use this space for a list of your hardware. It only creates false hits in the search engines.

  5. #255
    Join Date
    Aug 2010
    Beans
    25

    Re: Sound troubleshooting

    Quote Originally Posted by MoreOrLess View Post
    Try playing with some of the controls in alsamixer:
    http://alsa.opensrc.org/FAQ004
    I get a "404 Page Not Found" when I click on this link.

  6. #256
    Join Date
    Aug 2017
    Beans
    2

    Re: Sound troubleshooting

    Hi all,

    I recentely decided to install ubuntu on an Acer Aspire Switch 10E SW3-013. I used the image provided with the Acerium project which uses kernel 4.8.4 and that gets most of the neat stuff working that won't in any way if I do an upgrade to a more recent kernel. Unfortunately there remains a soundproblem which boils down to "no sound at all". Pulseaudio seems to be doing okay, but I'm not able to increase the volume for Speaker Channel, Speaker L and Speaker R in Alsamixer. Yes, they are unmuted.
    There's another weird problem when I unmute all options with amixer: the laptop reaches meltdown temperatures while spreading a profound smell of burning plastic.

    It didn't act that weird on Bill Gates' OS that came preinstalled with this hardware, so this seems to be an Ubuntuissue of sorts.
    My output is on http://www.alsa-project.org/db/?f=23...a57efb3ebf4055

    Any help welcome.

    Marko

  7. #257
    Join Date
    Mar 2018
    Beans
    1

    Re: Sound troubleshooting

    I've installed Ubuntu 17.10 on new hardware (ASUS Prime B350M-E with AMD Ryzen 2200G), connected it to TV via HDMI. There is no sound over HDMI.

    • upgraded kernel all the way through 4.16-rc4, nothing
    • line out audio works fine
    • cable is fine
    • I think I've tried everything from the troubleshooting guides in this thread, and everywhere else that I could find - nothing


    Furthest that I came towards the root of the problem: PulseAudio shows that all HDMI outputs are "unplugged" (even though I'm seeing that information through a plugged-in HDMI cable). Switching default output to HDMI does nothing.

    My ALSA info script output is at http://www.alsa-project.org/db/?f=26...e7f0e76039d653

    Does anyone have a hint on how to debug this further? I've been at it for a week now

  8. #258
    Join Date
    May 2018
    Beans
    41

    Re: Sound troubleshooting

    Clean install of lubuntu-18.04-desktop-i386 and no sound from the internal speaker, which works fine under XP & Xenail Pup. Note headphones do work. I installed the 60mb automatic updates immediately after install and haven't installed anything else.

    Under sound settings by clicking on the speaker on the taskbar (PulseAudio), I have two output device ports - headphones/Amplifier and Headphones/No Amplifier. Tried both. On the playback tab, when sound is playing it shows the firefox audiostream or ALSA plug-in [speaker-test] doing it's thing.

    Alsamixer had "Master Mono" set to zero, but maxing that out doesn't do anything and it identifies Intel ICH5 / Analog Devices AD1981B

    PC Model: HP-d530-CMT
    Last edited by enigma9o7; May 28th, 2018 at 10:07 PM.

  9. #259
    Join Date
    Oct 2018
    Beans
    7

    Re: Sound troubleshooting

    hello, can anyone think of what the issue might be for the clevo rebrand here and ubuntu sound (live or installed , vs working in windows) or have any suggested ways of troubleshooting it. https://ubuntuforums.org/showthread.php?t=2403327

    basically it appears that the speaker and headphone outs are in Alsamixer and pulse and I can see ubuntu thinks pulse is getting output in pulse control panel (the orange sound indicator thing), but there's no output from either headphones or speakers

    my alsa info output is here http://www.alsa-project.org/db/?f=23...1a31e2be286af5
    Last edited by svyr; October 12th, 2018 at 09:07 AM.

  10. #260
    Join Date
    Oct 2018
    Beans
    7

    Re: Sound troubleshooting

    Quote Originally Posted by svyr View Post
    hello, can anyone think of what the issue might be for the clevo rebrand here and ubuntu sound (live or installed , vs working in windows) or have any suggested ways of troubleshooting it. https://ubuntuforums.org/showthread.php?t=2403327

    basically it appears that the speaker and headphone outs are in Alsamixer and pulse and I can see ubuntu thinks pulse is getting output in pulse control panel (the orange sound indicator thing), but there's no output from either headphones or speakers

    my alsa info output is here http://www.alsa-project.org/db/?f=23...1a31e2be286af5
    here's the pulseaudio -vvvv outputs with a couple of apps - still not working please help.
    https://paste.ubuntu.com/p/7DBmfBVqkH/

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