AAC audio file and ID3 tag


I just found that, if I have an AAC audio file (technically M4A), and if I added the ID3 tag 2 (aka ID3v2), then the audio file will failed to be converted by ffmpeg.

It can be either converted to mp3

  • using DeadBeef audio player, or
  • remove the ID3v2 tag then convert

So, how to add the metadata like ID3 tag? Use the Kid3 and add the Tag 3 (aka APE tag). This will not affect how ffmpeg to read the file.

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Dell Vostro 5459 hibernation


In the previous post (1 year ago), I mentioned the hibernation issue. I believed that it was related to the NVidia graphic card. Related forum can be found here.

But these few days, I notice that whenever I shut down the laptop, it will show the systemd messages. Previously, if I did suspend my laptop, then resume, then shut down will show only black blank screen, until the power off. I believe that the graphic card issue is being fixed with the recent update.

I am now using linux-lts 4.9.13-1 and nvidia-dkms 378.13-2