Updating tags in AIFF files makes tags/audio unreadable by other applications about node-id3 HOT 5 CLOSED

Yes, this is not working and is out of scope for this library atm.
You will have to use an AIF parser and replace the ID3 tag or replace the buffer and chunk size manually.

Something like this: https://gist.github.com/Zazama/9e83dee3ca074f3ff907d8d034b77efb (be careful with that code, there are no validity checks)

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This library is not designed to work with AIFF file format directly.
ID3 Tag is primarily designed to be transparent for MPEG streamed audio file format.
AIFF case is special. AIFF file format, it is a different file format and based on chunks.
An ID3 library can read from AIFF because it can find the ID3 block anywhere in the file.
However in the case of the AIFF file format, updating/writing/rewriting is not possible directly with this library as any change will move the ID3 block to beginning, this breaks the AIFF file format.
The correct way to do it is to use an AIFF library, to read the AIFF ID3 chunk to process with this library and to give it back to the AIFF library to rewrite/update the ID3 chunk.
See
https://exiftool.org/TagNames/AIFF.html
and
https://exiftool.org/TagNames/ID3.html

See also:
https://en.wikipedia.org/wiki/Audio_Interchange_File_Format
https://www.mmsp.ece.mcgill.ca/Documents/AudioFormats/AIFF/AIFF.html

On some forums, some people suggest to convert the AIFF files to MP3 files, maybe this is an alternative solution for you.

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Feel free to write if you have questions, I'm just closing because this is something that this library is not handling

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Heads up to others who attempted to use this library to write tags to AIFF files like myself and may have corrupted some of their media files. I found that node-taglib-sharp works perfectly fine for AIFF files 👍

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