length expanded size cdr WAVE problems fmt ratio filename 7:14.52 76679948 B --- -- ---xx flac 0.4810 sf2000-04-28s1t01.flac 7:44.06 81863756 B --- -- ---xx flac 0.5324 sf2000-04-28s1t02.flac 8:02.31 85097756 B --- -- ---xx flac 0.5545 sf2000-04-28s1t03.flac 9:04.08 95980460 B --- -- ---xx flac 0.5289 sf2000-04-28s1t04.flac 8:04.57 85511708 B --- -- ---xx flac 0.4775 sf2000-04-28s1t05.flac 10:56.50 115836044 B --- -- ---xx flac 0.5481 sf2000-04-28s1t06.flac 10:49.24 114540092 B --- -- ---xx flac 0.5402 sf2000-04-28s1t07.flac 61:56.03 655509764 B 0.5257 (7 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned