Comments (4)
I tried dumping the udta metadata using mp4box --dump-udta 0:stem MyStemFile.stem.mp4
, as instructed in the NI File Specification PDF, but got an error about too many arguments. dumping without 0:stem
did not generate a udta dump.
Possibly related to issue #38:
The MP4 file must contain a box (i.e. data container) of type stem as a sub-box of
moov.udta. moov is the root box of the MP4 file, as shown in the Stem File Structure
diagram:
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Are you using Windows or macOS?
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Windows
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Hey, sorry for the delay. This is related to #19... I suspect an issue with https://github.com/NativeInstruments/ni-media, which probably doesn't support ALAC on Windows.
You can use the argument -f aac
to force the compression to AAC instead of ALAC. This is pretty bad because you shouldn't be forced to compress your audio files. But if you really need to, I suggest using a good encoder like qaac.
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Related Issues (20)
- Sweep: Add comments and docstrings to ableton.py. Clarify each method and global HOT 1
- Mutagen missing in installation instructions HOT 1
- Converting multiple songs at once? HOT 3
- [Feature request] Extract only vocals and instrumental HOT 2
- Error opening input: No such file or directory HOT 8
- How to know if qaac encoder is used on Windows? HOT 2
- [Feature request] Custom name & color for stem HOT 2
- [Bug] Windows cleaning step failing HOT 5
- [Feature Request] Following the Stem File Specification HOT 1
- Google Colab version? HOT 1
- Extract audio files from STEM file? HOT 6
- [No such file or directory] \output/NoGoodbye/htdemucs/NoGoodbye/drums.wav HOT 1
- Getting an error, when running the docker script version. HOT 2
- Error opening input: no such file or directory
- Generated file has wrong file extension .stem.m4a instead of .stem.mp4 HOT 5
- mp3 processing HOT 1
- Processing without a metadata file as an input HOT 1
- Creating wav stem.mp4 HOT 9
- Infinite recursion when installed via pipx
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