Music files cannot be added to a playlist of Hi-Res Audio Player by drag and drop operations.
You cannot add music files with file extensions that are not supported by Hi-Res Audio Player.
Also, you cannot drag and drop folders.
NOTE: Hi-Res Audio Player supports the following audio file formats.
- DSF (.dsf)
- DSDIFF (.dff)
- PCM (.wav/.aiff/.aif)
- FLAC (.flac)
- ALAC (.m4a)
- MP3 (.mp3)