length expanded size cdr WAVE problems fmt ratio filename 5:56.71 62965436 B --- -- ----- wav 1.0000 lf2001-06-09d1t01.wav 5:05.08 53820860 B --- -- ----- wav 1.0000 lf2001-06-09d1t02.wav 5:35.56 59225756 B --- -- ----- wav 1.0000 lf2001-06-09d1t03.wav 3:51.23 40802540 B --- -- ----- wav 1.0000 lf2001-06-09d1t04.wav 4:42.18 49787180 B --- -- ----- wav 1.0000 lf2001-06-09d1t05.wav 9:07.61 96634316 B --- -- ----- wav 1.0000 lf2001-06-09d1t06.wav 9:05.48 96250940 B --- -- ----- wav 1.0000 lf2001-06-09d1t07.wav 7:51.68 83244380 B --- -- ----- wav 1.0000 lf2001-06-09d2t01.wav 7:55.02 83794748 B --- -- ----- wav 1.0000 lf2001-06-09d2t02.wav 7:23.72 78314588 B --- -- ----- wav 1.0000 lf2001-06-09d2t03.wav 9:46.41 103466876 B --- -- ----- wav 1.0000 lf2001-06-09d2t04.wav 7:38.35 80873564 B --- -- ----- wav 1.0000 lf2001-06-09d2t05.wav 7:23.48 78258140 B --- -- ----- wav 1.0000 lf2001-06-09d2t06.wav 11:05.00 117306044 B --- -- ----- wav 1.0000 lf2001-06-09d2t07.wav 3:29.42 36966428 B --- -- ----- wav 1.0000 lf2001-06-09d2t08.wav 1:05.08 11484860 B --- -- ----- wav 1.0000 lf2001-06-09d2t09.wav 107:04.01 1133196656 B 1.0000 (16 files) App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned