You can choose to log the names of files without any detected errors to the log file. When all files are logged, the contents of the log file are committed when written. This is useful in the event of a crash to determine which file caused the problem.
If you are interested in identifying audio files which contain non standard tag containers, enable the Log files with non standard tag containers option. Currently this includes MP3 files with an ID3V1 or an APE tag and FLAC and APE files with ID3 tags.
mp3 files may contain multiple items, typically artwork, which have the same description. Technically speaking this is not allowed by the ID3 specifications. You can choose to identify such tracks by enabling the Log files which have multiple items with the same description option.
If you are interested in seeing which files possibly contain your name and/or email address, select the Log presence of Owner/Identification data option.
By default, fields which contain time stamps will be validated against the ID3 specification's interpretation of ISO 8601. If you find that you are getting too many Time stamp is not a valid subset of ISO 8601 errors, you can choose to suppress them.
There are two overrides which only apply to the encoding of items with multiple values in MPEG-4 files: