Here’s the detailed file info:
General
Complete name : Aliens (1986) [Special Edition].mkv
Format : Matroska
Format version : Version 2
File size : 5.83 GiB
Duration : 2h 28mn
Overall bit rate mode : Variable
Overall bit rate : 5 636 Kbps
Encoded date : UTC 2019-09-27 12:49:07
Writing application : MakeMKV v1.14.3 darwin(x64-release)
Writing library : libmakemkv v1.14.3 (1.3.5/1.4.7) darwin(x64-release)
Video
ID : 1
ID in the original source medium : 224 (0xE0)
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings : CustomMatrix / BVOP
Format settings, BVOP : Yes
Format settings, Matrix : Custom
Format settings, GOP : M=3, N=15
Codec ID : V_MPEG2
Codec ID/Info : MPEG 1 or 2 Video
Duration : 2h 28mn
Bit rate mode : Variable
Bit rate : 5 244 Kbps
Maximum bit rate : 7 500 Kbps
Width : 720 pixels
Height : 576 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 fps
Standard : PAL
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Scan order : Top Field First
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.506
Time code of first frame : 00:59:58:00
Time code source : Group of pictures header
GOP, Open/Closed : Open
GOP, Open/Closed of first frame : Closed
Stream size : 5.43 GiB (93%)
Language : English
Default : No
Forced : No
Original source medium : DVD-Video
Audio
ID : 2
ID in the original source medium : 189 (0xBD)128 (0x80)
Format : AC-3
Format/Info : Audio Coding 3
Commercial name : Dolby Digital
Codec ID : A_AC3
Duration : 2h 28mn
Bit rate mode : Constant
Bit rate : 384 Kbps
Channel(s) : 6 channels
Channel layout : L R C LFE Ls Rs
Sampling rate : 48.0 KHz
Frame rate : 31.250 fps (1536 SPF)
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 407 MiB (7%)
Title : Surround 5.1
Language : English
Service kind : Complete Main
Default : Yes
Forced : No
Original source medium : DVD-Video