[nbm]

Bluray:
- Container : BDMV folder containing .m2ts files...or .iso disk image
- Size : 20-50 GB
- Video codec : MPEG4=AVC=H.264 or MPEG2 or VC-1
- Audio codec :
a) Main Track - always looseless : TrueHD, DTS-HD MA(Master Audio), LPCM
b) Secondary Tracks - usually lossy : AC3, DTS
- Resolution : 1920x1080

Bluray Remux:
- exact same video and audio quality as the source bluray
- Container : MKV (Matroska) or ts (transport stream)
- Audio codec : Only the main looseless track is kept. This track may be converted to FLAC that is also looseless...so no quality is lost !
- Resolution : 1920x1080


BDrip = Bluray(Disk) rip = Bluray x264 = HD encode:
- Container : MKV
- Size : 4-10 GB for 720p and up to 20 GB for 1080p
- Video codec : MPEG4=AVC=H.264
- Audio codec - lossy : AC3, DTS
- Resolution : 1920x1080 or 1280x720


BRrip = Rip from the one above
= you get this by re-encoding an x264 Encode (BDrip)
- Container : AVI or MP4
- Size : less than 3 GB
- Video codec : Xvid (avi) or MPEG4=AVC=H.264 (mp4)
- Audio codec - lossy : MP3, AAC, AC3
- Resolution : 1280x720 or 720x480.