Shahran Sunny Audit wrote:
I’ve just finished watching the blu-ray on my Kuro. The source seems to be from DPX ---> recorded to D5 tape ---> which was encoded to blu-ray. Saturation and contrast/black levels look good. However, the picture quality still has some problems (e.g. colour banding, aliasing). I'm not sure if this is linked to either the AVC encode, or the D5 source?
Aliasing is never an AVC issue since it's not compression related. It's part of the DI or added later when resampling DPX to 1080p HD. Banding is usally created when converting 10 bit DPX to 8 bit video and not adding proper dithering where necessary. It can also be created or made worse by bad compression. Finally display issues can add banding when none is in the source.
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Another major let down was a lack of a lossless HD soundtrack. A 24bit audio master does exist. So why wasn’t a Dolby True HD or DTS-HD MA BD track created?
Despite its problems some portions of the film looks stunning in HD and is miles better then the digital Jpeg2000 and 35mm positive versions released for cinema.
Why do you think that 2K JPEG2000 sources are a lot inferior? They have higher bit rates than any Blu Rays. Not as high as D5 or HDCAM SR, but high enough for looking very well on BD.