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as the title says: Is there any way to to this? Is there any linux alternativ you can recommend (GUI). Currently I am using TAudioConverter via Wine, but A) it's buggy with m4a that have embedded the cover art in a weird way and B) it's opus codec hasn't been updated in a while.

Thanks!

2 Answers 2

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You can use WinFF, a gui front end for ffmpeg

sudo apt-get install winff

Open WinFF and then close it again. Open the preferences file located at

~/.winff/presets.xml

add the following section then save the file and reopen WinFF

  <opus>
    <label>Opus</label>
    <params>-acodec libopus -b:a 256k -vbr on -compression_level 10</params>
    <extension>opus</extension>
    <category>Audio</category>
  </opus>

That is set to 256k vbr and ffmpeg seems to convert to 48000Hz by default

If you choose the Convert to: dropdown as 'Audio' in WinFF, the Preset: section will then have an Opus setting to select

You can make as many of the above presets as you like for different bitrates etc, just the outer tags need to be renamed and the label changed to whatever you want.

The full list of Opus options can be found using

man ffmpeg

To inspect the output install the following

sudo apt-get install opus-tools

then use

opusinfo foo.opus

to look at what you have created.

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You can use my free app dmMediaConverter, it is a ffmpeg GUI. You can also procees files in bulk mode.

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