Matrixs & DVDRB

DVD-RB-PRO !!!, already does have the ability to do this. It has: 1) A main feature Matrix 2) A low bitrate Matrix it uses for segments with avg bitrate below LEVEL A 3) A Very Low Bitrate Matrix it uses for segments with avg below LEVEL B 4) A matrix to be used for what DVD-RB sees as EXTRA'S. LEVEL A is above LEVEL B, I suppose , but I don't know the real averages used here. Also, using MIN_BITRATE=0 will have more benefits then using a different matrix. With higher averages you can indeed use FOX-MATRIX. But DVD-RB matrices are implemented especially for use on difficult low bitrate stuff. They simply filter out higher frequencies to be quantized, so more bitrate is avialable for lower frewuencies. This does 2 things: 1) Prevent macro blocking. 2) Smoothen the picture somewhat. But as already mentioned, using MIN_BIRATE=0 has more benefits than using a matrix. For higher bitrates the FOX seems to be the best. If the FOX matrix is causing blocking to occure just use MPEG-STANDARD or CCE DEFAULT, as they deliver great resuls anyway. Then I saw you use AUTO ADAPTIVE QUANTIZATION , and that has two main problems: 1) You can create NON STANDARD dvd's because of the adaptive switching. 2) Using a matrix will be greatly overwritten by the use of ADAPTIVE QUANTIZATION, making it kind of useless using matrices. So the suggestion is to leave this option OFF as per default. The simple warning from CCE that it can cause problems for ceratin DVD-player was convincing me to NOT use it. By the way, using MATRICES is a kind of advantage fine tuning, you can't do magic with it.....

That's why I added "Templates" -- for this and other similar uses. Set the matrices you want for a specific range, then save your settings as a template. Then load that template when you run into a source that matches. That goes for other settings also, like bias, qual_prec... If you wanted me to find out what the incompatible players are, all I'd have to do is just put AQM in as the default... the emails would be only a few minutes away. ;)

I really can't say... but when Cinema Craft themselves posts the warning, it certainly makes me hesitant. My guess would be that it might only cause issues on older players -- but that is still just a guess.

Yes. Templates are similar to project files in that they load settings... but the settings are limited to those options that are transient. So loading a template won't change you paths, skin, etc. like a project would.

Adaptive quantization is DVD compliant so if you have a standalone that doesn't like it, it's not supposed to be called a DVD player at all.

I believe Manano talk ed about a test he did with CCE's standard with and without CCEAQM versus Fox Home Entertainment. He said CCE standard with CCEAQM had a result of about 95% detail versus the same encode with Fox home Entertainment.

Let's just say that if the major studios use the feature on their DVDs, I think it's safe to use it yourself as well. Then again, you have the option to enable it if you like so no one can complain here :)

I think manono explained it quite well recently in some other thread either in this forum or the CCE forum.

apfraats - Encoding Ninja Scroll (anime) with high bitrate, I have listened your advices: using min_bitrate=0, vbr_bias=0, new Fox matrix, I have got a video more clear and than original.. why? Should I have to use vbr_bias > 0, for example = 10?