![]() however there are usually hardware dependencies because the level of processing is absolutely massive (so we designed a special block in our SoC to offload this). a lot of the TV system had to be redefined or reinvented by VIZIO to achieve what the format was capable of. We worked with Dolby for nearly 3 years on doing it right. It was up to VIZIO to build a system to handle the processing requirements (and the backlight, color filters etc to create a display that could achieve the quality possible by DV). DolbyVision is a format + processing/mapping SW. So, how well it is done will still be dictated by the set's manufacturer.Įdit: even if DV wrote software to assist their clients, I doubt they would force it upon them.Ĭlick to expand.Not sure why you left out the rest of the paragraph from Matt. I highly doubt DV is going to write software to implement this algorithm generically for every possible backlight solution. However, I'd guess the set, who knows how many actual zones it has, be it a few on edge-lit or more on FALD, would still have to contain an algorithm to translate these hints into the voltage supplied by each backlight controller. ![]() He says, "Consider you could use dynamic metadata to change one of 16,000 backlight zones on a Dolby Pulsar to slam from 1000 nits to 4,000 nits on a scene change." What consumer set has 16k zones? So, even if it "takes over" the backlight, it only does so by giving hints. If I'm reading him right, there may be metadata data to hint at the brightness of various parts of the screen (the "backlight"). I downloaded the calculator app and it’s just what I need, thanks for the information.Click to expand.If you were watching on an OLED set, I'm curious what backlight zones you're talking about.Īlso, Tom, above, mentioned something interesting about the dynamic metadata and backlight zone "control". Advantage over digital conversions that you can see 'nearest' values at a glance. I have this - printed out and laminated - hanging in my workshop - meets all needs, quick and convenient. While myself and the wife were out doing our normal food shop in Morrisons I wanted a small note book for the workshop to take notes or scribble information on, anyway on the shelf I found a casio fx-85gtx calculator so that has sorted that problem also in B & M I found a small white board and pens with four magnets on thought that would be useful for writing measurements on for quick ref when milling easy wiped off after each use. You can also specify how the spreadsheet will convert decimals that are not an exact equivalent to a fraction to the nearest 1/4, 1/10, 1/16, etc up to 3 digits 1/999. Any decimal you then enter in B2 is converted to a fraction. You can work the other way by formatting A2 as a fraction and entering the formula =B2. Put =A1 in cell B1 and voila it gives you the decimal equivalent, 0.9375 (rounded to 4 decimals places - more if you want). ![]() If you have MS Excel either on your phone or PC it easily converts fractions to decimals and back.įor example, format cell A1 as a fraction and enter 15/16. I could have sworn I posted a reply but it seemed to have got lost somewhere Thank you all for the recommendations will have a look at a few of them. Have a look here Calculators Not a perfect answer but these calculators will satisfy most needs. There are versions for Windows, Mac, iPhone, Android, and Linux.ĭerek. However there is an excellent re-creation at: The first serious calculator I used was an HP21 and ever since HP calculators have been my favourite though they stopped making them years ago. If you have an iPad, Derek … This one is excellent: **LINK** Annoyingly for most uses, it does its work in fractions and you need to press the S~D button to convert to everyday decimals. You just need to buy a Casio fx-85GT Plus calculator. Does not need to be a scientific calculator but if by chance it does that would be a bonus. Can anyone recommend an calculator app which can handle fractions and convert them to decimal and also metric.
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