AudioFileExtra
Free-form per-file metadata stored alongside the audio file and passed
through verbatim. The keys vary by catalog and by client; treat any key
not documented here as optional and unstable. Commonly seen keys include
trim_start and trim_end.
property name*any
Free-form per-file metadata stored alongside the audio file and passed
through verbatim. The keys vary by catalog and by client; treat any key
not documented here as optional and unstable. Commonly seen keys include
trim_start and trim_end.
AudioFileExtra
{}