length expanded size cdr WAVE problems fmt ratio filename 0:20.440 5886764 B cxx -- ---xx flac 0.6692 SVE2014-07-05KEXP-t01.flac 3:39.867 63321644 B cxx -- ---xx flac 0.7325 SVE2014-07-05KEXP-t02.flac 4:32.467 78470444 B cxx -- ---xx flac 0.7168 SVE2014-07-05KEXP-t03.flac 5:00.053 86415404 B cxx -- ---xx flac 0.6932 SVE2014-07-05KEXP-t04.flac 4:17.827 74254124 B cxx -- ---xx flac 0.7331 SVE2014-07-05KEXP-t05.flac 3:59.227 68897324 B cxx -- ---xx flac 0.7163 SVE2014-07-05KEXP-t06.flac 0:32.853 9461804 B cxx -- ---xx flac 0.6890 SVE2014-07-05KEXP-t07.flac 22:22.733 386707508 B 0.7157 (7 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned