파일정보에 대해 여쭤봅니다

General
Unique ID                                : 116336356992738866526710883750875607339 (0x5785913E32D170AFAA94E8AC7241B12B)
Complete name                            : C:\Users\Administrator\Desktop\[SHANA]160715_뮤뱅_여자친구-너그리고나_coreMx265.mkv
Format                                   : Matroska
Format version                           : Version 4 / Version 2
File size                                : 191 MiB
Duration                                 : 3 min 15 s
Overall bit rate                         : 8 176 kb/s
Writing application                      : ShanaEncoder
Writing library                          : ShanaEncoder / ShanaEncoder
ErrorDetectionType                       : Per level 1

 

 

 

 

위 파일정보에서 ErrorDetectionType                       : Per level 1 

이건 무슨말인가요?? 파일이 에러가 난건가요?