I downloaded some parts so far, and extracted them; I watched the first minutes, and the quality seems very good - so, can’t say if it’s 2004 or 2011.
Audio is AAC 2.0, japanese - no bitrate info, but I suspect it’s quite low, leaving more space for the video, hence more quality!
Mediainfo:
General
ID : 16432 (0x4030)
Complete name : E:\download\anh\anh.ts
Format : MPEG-TS
File size : 19.5 GiB
Start time : UTC 2016-11-12 14:29:42
Overall bit rate mode : Variable
Network name : ‰BS Digital
Original network name : Astra 2
Video
ID : 320 (0x140)
Menu ID : 191 (0xBF)
Format : MPEG Video
Format version : Version 2
Format profile : Main@High
Format settings, BVOP : Yes
Format settings, Matrix : Custom
Format settings, GOP : M=3, N=15
Format settings, picture structure : Frame
Codec ID : 2
Bit rate mode : Variable
Maximum bit rate : 24.0 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 29.970 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Compression mode : Lossy
Time code of first frame : 07:21:08:16
Time code source : Group of pictures header
GOP, Open/Closed : Open
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio
ID : 321 (0x141)
Menu ID : 191 (0xBF)
Format : AAC
Format/Info : Advanced Audio Codec
Format version : Version 2
Format profile : LC
Muxing mode : ADTS
Codec ID : 15
Bit rate mode : Variable
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Compression mode : Lossy
Delay relative to video : -291ms