Uncompressed Audio in MP4 Container not possible?

1. offizieller Beitrag

    The Voukoder plugin I use in Resolve does not allow LPCM audio (i.e., uncompressed) in MP4 containers. When I select “Uncompressed PCM” in the audio menu, only .mkv, .avi, and .mov are offered as containers, not .mp4. Why is that? Would this work with the Voukoder Pro version?

  • Vouk 16. September 2025 um 12:03

    Hat das Thema freigeschaltet.
    • Offizieller Beitrag

    Some formats / muxers support not all codecs. In Voukoder this is hardcoded. Voukoder Pro let's FFmpeg the decision what codec can be used for which muxer. Give it a try with a free trial license.

    LPCM is generally not allowed in MP4, in MP4 only lossy codecs are allowed.
    Since this is a technical limitation by container, Voukoder can not break that limitation.
    You have to select a lossy audio codec to use within MP4, or use some other container like mkv or mov, avi.