That's ok, so use MediaInfo for the vob files. Differenz in the files? Only the VTS_01_1.VOB, VTS_02_1.VOB, VTS_02_2.VOB and VTS-02_3.VOB
Post me the output, please 
I hope this is what you meant:
General
Complete name : /media/cdrom/VIDEO_TS/VTS_01_1.VOB
Format : MPEG-PS
File size : 44.0 KiB
Video
ID : 224 (0xE0)
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings, Matrix : Default
Bit rate mode : Variable
Bit rate : 7 501 Kbps
Width : 720 pixels
Height : 480 pixels
Display aspect ratio : 4:3
Frame rate : 29.970 fps
Standard : NTSC
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.724
Audio
ID : 192 (0xC0)
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 2
Bit rate mode : Constant
Bit rate : 224 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Resolution : 16 bits
Menu
General
Complete name : /media/cdrom/VIDEO_TS/VTS_02_1.VOB
Format : MPEG-PS
File size : 1 024 MiB
Duration : 36mn 33s
Overall bit rate : 3 916 Kbps
Video
ID : 224 (0xE0)
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings, Matrix : Default
Duration : 36mn 33s
Bit rate mode : Variable
Bit rate : 3 537 Kbps
Nominal bit rate : 8 500 Kbps
Width : 720 pixels
Height : 480 pixels
Display aspect ratio : 16:9
Frame rate : 29.970 fps
Standard : NTSC
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.341
Stream size : 925 MiB (90%)
Audio
ID : 128 (0x80)
Format : AC-3
Format/Info : Audio Coding 3
Duration : 36mn 33s
Bit rate mode : Constant
Bit rate : 224 Kbps
Channel(s) : 2 channels
Channel positions : L R
Sampling rate : 48.0 KHz
Stream size : 58.6 MiB (6%)
Menu
General
Complete name : /media/cdrom/VIDEO_TS/VTS_02_2.VOB
Format : MPEG-PS
File size : 1 024 MiB
Duration : 39mn 46s
Overall bit rate : 3 600 Kbps
Video
ID : 224 (0xE0)
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings, Matrix : Default
Duration : 39mn 46s
Bit rate mode : Variable
Bit rate : 3 233 Kbps
Nominal bit rate : 8 500 Kbps
Width : 720 pixels
Height : 480 pixels
Display aspect ratio : 16:9
Frame rate : 29.970 fps
Standard : NTSC
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.312
Stream size : 920 MiB (90%)
Audio
ID : 128 (0x80)
Format : AC-3
Format/Info : Audio Coding 3
Duration : 39mn 45s
Bit rate mode : Constant
Bit rate : 224 Kbps
Channel(s) : 2 channels
Channel positions : L R
Sampling rate : 48.0 KHz
Video delay : 46ms
Stream size : 63.7 MiB (6%)
Menu
General
Complete name : /media/cdrom/VIDEO_TS/VTS_02_3.VOB
Format : MPEG-PS
File size : 908 MiB
Duration : 31mn 49s
Overall bit rate : 3 989 Kbps
Video
ID : 224 (0xE0)
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings, Matrix : Default
Duration : 31mn 49s
Bit rate mode : Variable
Bit rate : 3 607 Kbps
Nominal bit rate : 8 500 Kbps
Width : 720 pixels
Height : 480 pixels
Display aspect ratio : 16:9
Frame rate : 29.970 fps
Standard : NTSC
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.348
Stream size : 821 MiB (90%)
Audio
ID : 128 (0x80)
Format : AC-3
Format/Info : Audio Coding 3
Duration : 31mn 49s
Bit rate mode : Constant
Bit rate : 224 Kbps
Channel(s) : 2 channels
Channel positions : L R
Sampling rate : 48.0 KHz
Video delay : -218ms
Stream size : 51.0 MiB (6%)
Menu
MCP