length expanded size cdr WAVE problems fmt ratio filename 5:41.59 60291212 B --- -- ----- wav 1.0000 DSO_2014-07-06_S101.wav 7:35.19 80306732 B --- -- ----- wav 1.0000 DSO_2014-07-06_S102.wav 4:35.69 48672332 B --- -- ----- wav 1.0000 DSO_2014-07-06_S103.wav 5:32.42 58663628 B --- -- ----- wav 1.0000 DSO_2014-07-06_S104.wav 4:19.70 45852284 B --- -- ----- wav 1.0000 DSO_2014-07-06_S105.wav 8:00.38 84761420 B --- -- ----- wav 1.0000 DSO_2014-07-06_S106.wav 3:47.03 40049900 B --- -- ----- wav 1.0000 DSO_2014-07-06_S107.wav 6:09.13 65122220 B --- -- ----- wav 1.0000 DSO_2014-07-06_S108.wav 9:47.08 103565660 B --- -- ----- wav 1.0000 DSO_2014-07-06_S109.wav 12:13.66 129456476 B --- -- ----- wav 1.0000 DSO_2014-07-06_S110.wav 7:32.06 79746956 B --- -- ----- wav 1.0000 DSO_2014-07-06_S201.wav 10:05.43 106823180 B --- -- ----- wav 1.0000 DSO_2014-07-06_S202.wav 4:04.28 43107500 B --- -- ----- wav 1.0000 DSO_2014-07-06_S203.wav 10:11.30 107851004 B --- -- ----- wav 1.0000 DSO_2014-07-06_S204.wav 17:46.71 188209436 B --- -- ----- wav 1.0000 DSO_2014-07-06_S205.wav 10:56.09 115739612 B --- -- ----- wav 1.0000 DSO_2014-07-06_S206.wav 7:35.28 80327900 B --- -- ----- wav 1.0000 DSO_2014-07-06_S207.wav 135:55.02 1438547452 B 1.0000 (17 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned