This is a mkv that was converted with RipBot264 to standard 720P res so people can enjoy with there Blu-Ray disc player.

Once finished downloading one can create the AVCHD file structure with tsMuxeR then burn to disc with imgburn UDF 2.50

Here is a MediaInfo of the mkv
[code]General
Complete name                    : G:Star Trek VI The Undiscovered Country 1991 720p HDTV x264-CtrlHDStar Trek VI The Undiscovered Country 1991 720p HDTV x264-CtrlHD.mkv
Format                           : Matroska
File size                        : 4.11 GiB
Duration                         : 1h 49mn
Overal bit rate                  : 5362 Kbps
Encoded date                     : UTC 2009-04-06 05:41:19
Writing application              : mkvmerge v2.6.0 ('Kelly watch the Stars') built on Mar 24 2009 15:23:17
Writing library                  : libebml v0.7.7 + libmatroska v0.8.1

Video
Format                           : AVC
Format/Info                      : Advanced Video Codec
Format profile                   : High@L4.0
Format settings, CABAC           : Yes
Format settings, ReFrames        : 3 frames
Codec ID                         : V_MPEG4/ISO/AVC
Duration                         : 1h 49mn
Bit rate                         : 4757 Kbps
Nominal bit rate                 : 4973 Kbps
Width                            : 1280 pixels
Height                           : 720 pixels
Display aspect ratio             : 16/9
Frame rate                       : 24.000 fps
Colorimetry                      : 4:2:0
Scan type                        : Progressive
Bits/(Pixel*Frame)               : 0.225
Writing library                  : x264 core 66 r1114M a933a3e
Encoding settings                : cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=7 / psy_rd=1.0:0.0 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / chroma_qp_offset=-2 / threads=3 / nr=0 / decimate=1 / mbaff=0 / bframes=3 / b_pyramid=0 / b_adapt=1 / b_bias=0 / direct=3 / wpredb=1 / keyint=250 / keyint_min=25 / scenecut=40(pre) / rc=2pass / bitrate=4973 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=25000 / vbv_bufsize=25000 / ip_ratio=1.40 / pb_ratio=1.30 / aq=1:1.00

Audio
Format                           : AC-3
Format/Info                      : Audio Coding 3
Codec ID                         : A_AC3
Duration                         : 1h 49mn
Bit rate mode                    : Constant
Bit rate                         : 384 Kbps
Channel(s)                       : 6 channels
Channel positions                : Front: L C R, Rear: L R, LFE
Sampling rate                    : 48.0 KHz[/code]

***************credits*****************
CtrlHD for the PAL HDTV rips source mkv's
FookDemonoidcom Much helpful advice that made these conversions possible. Thanks for putting up with me.