In v2.78 I tried to save LYRICS(synced lyrics) field into ALAC encoded files, but when I reopened the 'Extented Fields' dialog I found the tag name become 'UNSYNCEDLYRICS'.
I used another file whose UNSYNCEDLYRICS field was already present and tried to write the LYRICS field into it. Then there was two UNSYNCEDLYRICS fields.
This issue is 100% reproducible on my Windows 10 Pro x64 (Simplified Chinese) computer with v2.78 and the latest development version v2.80c.
I wonder whether it's a bug or a feature...I know that iOS devices don't support synced lyrics, but I still want other music players to work with it...I apologize for my broken English.
Thank you for your reply.
I checked Options-Tags-Mapping, and there isn't any mapping related to SYLT/UNSYNCEDLYRICS/LYRICS.
In addition, SYLT in ALAC is not mapped to UNSYNCEDLYRICS(but I need LYRICS). And LYRICS field works with MP3 format.
I think ALAC uses its own tag format, but not ID3.
I try to add a field named FOOBAR and this non-official field still exists when I open the file again.
Can this unexpected mapping ('LYRICS'->'UNSYNCEDLYRICS') be optional?