length expanded size cdr WAVE problems fmt ratio filename 12:43.032 146502176 B cxx -- ---xx flac 0.5945 quactus2014-12-31d1t01.flac 7:30.000 86400044 B cxx -- ---xx flac 0.6274 quactus2014-12-31d1t02.flac 2:46.296 31928936 B cxx -- ---xx flac 0.5221 quactus2014-12-31d1t03.flac 15:34.194 179365256 B cxx -- ---xx flac 0.6275 quactus2014-12-31d1t04.flac 10:07.000 116544044 B cxx -- ---xx flac 0.6184 quactus2014-12-31d1t05.flac 7:38.583 88048036 B cxx -- ---xx flac 0.6298 quactus2014-12-31d1t06.flac 12:09.325 140030368 B cxx -- ---xx flac 0.6256 quactus2014-12-31d1t07.flac 68:28.430 788818860 B 0.6157 (7 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned