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This question has been asked before but my query is different and more specific. In MPV player I use this command af=format=channels=stereo,dynaudnorm which is like live normalising the audio. However, I want use ffmpeg to output the surround (5.1/7.1) audio to stereo(2 channels) and I'm not sure about what command syntax I should use for this af=format=channels=stereo,dynaudnorm

Optional: I would also like to convert dts audio to FLAC or eac3 in the same command and mux it into the same video all in a single command, but this is optional, the main focus is on the above query

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af=format=channels=stereo,dynaudnorm should be

-af "aformat=cl=stereo,dynaudnorm"

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  • Could you give me the full command?
    – Vin Raghav
    Commented Sep 11, 2022 at 12:47
  • This doesn't work at all. FFmpeg doesn't recognise "cl".
    – Vin Raghav
    Commented Oct 20, 2022 at 12:20
  • Add -report to the command and rerun. Share report file.
    – Gyan
    Commented Oct 20, 2022 at 18:41

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