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Ubuntu 18.04 - Sound volume randomly changes


I have sound, but volume bar is “inactive” and I can't use volume shortcutsASUS Xonar U3 volume issuesRandom volume changes after starting gamesHow to cancel installation of Matlab while applying changes?command line tool that will return sound volume ubuntu 12.04Sound issue on Dell Latitude e6540 on Ubuntu 14.04 (no sound/low volume)Linux volume control message standardUbuntu 18.04 won't change volumeHeadphone volume button to control ubuntu volume?Matlab, Openface, FaceLandmarkImg versions problems (Ubuntu 16.04)













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I am a scientist and play tone sequences to my participants from Matlab using Psychtoolbox 3. Today, my participants said that the volume changes throughout the experiment. What causes these fluctuations? Any suggestions welcome!










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    I am a scientist and play tone sequences to my participants from Matlab using Psychtoolbox 3. Today, my participants said that the volume changes throughout the experiment. What causes these fluctuations? Any suggestions welcome!










    share|improve this question







    New contributor




    Christine Blume is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























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      I am a scientist and play tone sequences to my participants from Matlab using Psychtoolbox 3. Today, my participants said that the volume changes throughout the experiment. What causes these fluctuations? Any suggestions welcome!










      share|improve this question







      New contributor




      Christine Blume is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I am a scientist and play tone sequences to my participants from Matlab using Psychtoolbox 3. Today, my participants said that the volume changes throughout the experiment. What causes these fluctuations? Any suggestions welcome!







      sound matlab






      share|improve this question







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      Christine Blume is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      Christine Blume is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









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      asked 7 hours ago









      Christine BlumeChristine Blume

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