relatedSoundFile property
This tag is used to record the name of an audio file related to the image data. The only relational information recorded here is the Exif audio file name and extension (an ASCII string consisting of 8 characters + '.' + 3 characters). The path is not recorded.
When using this tag, audio files shall be recorded in conformance to the Exif audio format. Writers can also store the data such as Audio within APP2 as Flashpix extension stream data. Audio files shall be recorded in conformance to the Exif audio format.
Implementation
final String? relatedSoundFile;