length expanded size cdr WAVE problems fmt ratio filename 5:37.147 64732176 B cxx -- ---xx flac 0.5107 gs2017-11-12t01.flac 4:43.073 54350056 B cxx -- ---xx flac 0.4947 gs2017-11-12t02.flac 10:34.715 121865408 B cxx -- ---xx flac 0.5147 gs2017-11-12t03.flac 4:59.526 57509032 B cxx -- ---xx flac 0.4930 gs2017-11-12t04.flac 3:31.383 40585572 B cxx -- ---xx flac 0.4969 gs2017-11-12t05.flac 23:03.669 265664472 B cxx -- ---xx flac 0.5421 gs2017-11-12t06.flac 12:02.816 138780668 B cxx -- ---xx flac 0.5240 gs2017-11-12t07.flac 0:49.734 9548896 B cxx -- ---xx flac 0.3471 gs2017-11-12t08.flac 65:22.062 753036280 B 0.5196 (8 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned