Various important information is contained in the recording data, and it is linked with the folder structure and management files as shown in the figure.
If the information is changed or deleted even partially, an error such as that the data cannot be recognized or the recording becomes impossible may occur.
Volume label of the memory card
Video data in MXF format (audio: LPCM)
Meta data in XML format
Thumbnail in BMP format
The file to which the information of the final clip was recorded
Video data in MOV format: UHD (3840×2160), 29.97P MOV (audio: LPCM)
Video data in MOV format: FHD (1920×1080), 59.94i MOV (audio: LPCM)
Management file 1
Management file 2
Thumbnail of video data
Video data in AVCHD standard (00000.MTS, etc.)
Management folder
Volume label of the memory card
Folder name of the MOV format video data
The fourth through eighth characters of the folder name differ depending on the setting of the camera.
Folder number
001 to 999 (sequential number)
The number of clips that can be recorded in one folder is 999. Once it reaches 999, a folder with sequential number added is newly created.
Also, a folder with sequential number added is newly created when the folder name is changed by changing the setting of the camera.
The folder name will return to 001 when the memory card is formatted.
Number of pixels
R: 3840×2160
Y: 1920×1080
Frame rate
A: 59.94fps
B: 50.00fps
C: 29.97fps
D: 25.00fps
F: 23.98fps
Video format
Q: Progressive recording (MOV, LPCM)
J: Interlace recording (MOV, LPCM)
Fixed values
A
Recording setting
M: Standard recording (card slot 1 for simultaneous recording)
T: Simultaneous recording (card slot 2 for simultaneous recording)
Recording format information
File name of the MOV format video data
The format of the file name is as follows.
CAM INDEX
One character from upper case A to Z.
An INDEX assigned to each camera. Set with the [RECORDING] menu → [CLIP NAME] → [CAM INDEX].
CARD number
001 - 999
This is the number assigned to each memory card. The CARD COUNT stored in the volume label of the memory card is assigned.
Clip number
C001 - C999
This is a sequential number assigned to each recording on the memory card. The number returns to C001 when the memory card is formatted. It will also return to C001 for the one after C999.
The clip number is maintained even when the folder is split or when the clip is deleted.
Date
Last two digits of year + two digits of month + two digits of date when the recording is started.