c# - WPF MediaElement: SpeedRatio not working for .m4a files? -

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i'm working simple mediaplayer based on this msdn example user can control volume, playback speed (speedratio) , seek (position) using 3 sliders.

everything works correctly when play .mp3 files, play .m4a file song playback speed, controlled mediaelement.speedratio, ignored. volume , seek still works , audio working.

questions:

  • are there logical explanations this?
  • any known solutions/workarounds problem? speedratio essential in application.

thanks, avada

check out: mediaelement speedratio not linear


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