length expanded size cdr WAVE problems fmt ratio filename 5:29.15 58070924 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S101.wav 9:39.35 102217964 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S102.wav 5:55.63 62770220 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S103.wav 4:37.52 48985148 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S104.wav 9:12.32 97448108 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S105.wav 8:24.64 89056172 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S106.wav 7:04.50 74911244 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S107.wav 11:39.17 123343628 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S108.wav 5:22.33 56878460 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S109.wav 6:08.36 64999916 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S110.wav 8:28.08 89630060 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S111.wav 7:50.44 83011532 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S112.wav 7:07.04 75332252 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S113.wav 7:41.29 81388652 B --- -- ----- wav 1.0000 RMGDR_2015-06-20_S114.wav 104:41.32 1108044280 B 1.0000 (14 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned