length expanded size cdr WAVE problems fmt ratio filename 7:22.53 78093500 B --- -- ----- wav 1.0000 JBB_2015-08-22_S101.wav 5:34.53 59042300 B --- -- ----- wav 1.0000 JBB_2015-08-22_S102.wav 5:48.21 61436636 B --- -- ----- wav 1.0000 JBB_2015-08-22_S103.wav 3:58.74 42157292 B --- -- ----- wav 1.0000 JBB_2015-08-22_S104.wav 4:32.42 48079628 B --- -- ----- wav 1.0000 JBB_2015-08-22_S105.wav 6:03.69 64195532 B --- -- ----- wav 1.0000 JBB_2015-08-22_S106.wav 7:04.51 74913596 B --- -- ----- wav 1.0000 JBB_2015-08-22_S107.wav 6:58.41 73831676 B --- -- ----- wav 1.0000 JBB_2015-08-22_S108.wav 4:38.03 49046300 B --- -- ----- wav 1.0000 JBB_2015-08-22_S109.wav 6:08.72 65084588 B --- -- ----- wav 1.0000 JBB_2015-08-22_S110.wav 6:28.42 68542028 B --- -- ----- wav 1.0000 JBB_2015-08-22_S111.wav 64:39.71 684423076 B 1.0000 (11 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned