length expanded size cdr WAVE problems fmt ratio filename 2:37.12 27723068 B --- -- ---xx flac 0.4928 tt2014-09-11.fm.t01.flac 5:05.25 53860844 B --- -- ---xx flac 0.5070 tt2014-09-11.fm.t02.flac 1:18.29 13827452 B --- -- ---xx flac 0.4832 tt2014-09-11.fm.t03.flac 3:08.50 33280844 B --- -- ---xx flac 0.4856 tt2014-09-11.fm.t04.flac 3:26.09 36359612 B --- -- ---xx flac 0.4906 tt2014-09-11.fm.t05.flac 3:38.55 38584604 B --- -- ---xx flac 0.5043 tt2014-09-11.fm.t06.flac 1:03.11 11139116 B --- -- ---xx flac 0.4876 tt2014-09-11.fm.t07.flac 20:17.41 214775540 B 0.4961 (7 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned