length expanded size cdr WAVE problems fmt ratio filename 1:53.53 20057900 B --- -- ---xx flac 0.4100 gpn2013-07-06.ck63.r09hr.t01.flac 6:00.42 63602828 B --- -- ---xx flac 0.5249 gpn2013-07-06.ck63.r09hr.t02.flac 4:32.58 48117260 B --- -- ---xx flac 0.5337 gpn2013-07-06.ck63.r09hr.t03.flac 3:58.49 42098492 B --- -- ---xx flac 0.5155 gpn2013-07-06.ck63.r09hr.t04.flac 5:19.64 56422172 B --- -- ---xx flac 0.4702 gpn2013-07-06.ck63.r09hr.t05.flac 2:58.17 31439228 B --- -- ---xx flac 0.5173 gpn2013-07-06.ck63.r09hr.t06.flac 3:15.14 34430972 B --- -- ---xx flac 0.4651 gpn2013-07-06.ck63.r09hr.t07.flac 4:57.05 52402604 B --- -- ---xx flac 0.5551 gpn2013-07-06.ck63.r09hr.t08.flac 7:06.05 75158204 B --- -- ---xx flac 0.5330 gpn2013-07-06.ck63.r09hr.t09.flac 6:35.71 69845036 B --- -- ---xx flac 0.5140 gpn2013-07-06.ck63.r09hr.t10.flac 46:38.03 493574696 B 0.5123 (10 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned