length expanded size cdr WAVE problems fmt ratio filename 5:45.651 66365104 B cxx -- ---xx flac 0.4194 gs2017-04-29.early.t01.flac 6:08.443 70741112 B cxx -- ---xx flac 0.4858 gs2017-04-29.early.t02.flac 5:49.096 67026468 B cxx -- ---xx flac 0.5067 gs2017-04-29.early.t03.flac 6:45.148 77788380 B cxx -- ---xx flac 0.4142 gs2017-04-29.early.t04.flac 5:14.175 60321732 B cxx -- ---xx flac 0.5314 gs2017-04-29.early.t05.flac 6:30.212 74920656 B cxx -- ---xx flac 0.5162 gs2017-04-29.early.t06.flac 8:15.245 95087000 B cxx -- ---xx flac 0.4784 gs2017-04-29.early.t07.flac 44:27.970 512250452 B 0.4775 (7 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned