I have quite a few movies that fail to transcode due to unknown audio tracks. Any way to fix that?

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Streaming Graphics gpac mp4box mpeg-dash

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  • gpac

    GPAC Ultramedia OSS for Video Streaming & Next-Gen Multimedia Transcoding, Packaging & Delivery

    • If they're MKVs, MKVToolNix's header editor makes it easy to change the language tag of an audio track. For MP4 you could either remux them to an MKV (also using MKVToolNix) and change the language tag in the process, or use a command-line tool like MP4Box to change the language while keeping the MP4 container without reencoding.

  • jmkvpropedit

    Discontinued Batch GUI for mkvpropedit

    • Use MKVPropEdit to batch update your files then rescan/refresh metadata to pick up changes.

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