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Snowdrop engine Dev Diary

CreamK says...

About right except UR4 needs massive hardware so unless you have actually made something with it, i really doubt on "runs well" part. Rest of them need about half or even less sheer grunt power. We are just doing our tests how well these perform. I hope Source 2 is not too far behind, before me make our decision which engine to pick. At the moment, it's SnowDrop which is the one we are looking for, then Cry3, Unity5 or UR4. The latter just costs a lot more in inhouse equipment but has what we need.

sixshot said:

here's how I see it:

UE4 -- runs well, does well, good for creators
CryEngine -- does well, runs like crap, all-in for visuals.
Frostbite -- does well, runs okay, great in FPS, completely junk in driving games (look up NFS: The Run)
Source 2 -- who knows...
Unity 5 -- can't comment.

George Carlin - Ten Commandments

QI - Only Survivor of the Crimean War

CreamK says...

The only naval vessel to be captured and not returned back to British is in my hometown... It happened during the Crimean war, we built a simple wall and spread molten tar all over our beaches.. Pretty much impossible to get thru that mess.. It's still in there, the tar allthout it's slowly vanishing.. All the other coastal towns were ransacked but ours... We still have the boat but we'll give it back if shit hits the fan with out easter neighbor, who are spreading lies already that Finland wants to join Russia... Don't believe that nonsense, nothing could be further away from truth.

Now you smell it ...

Car Hits Cyclist and Leaves a Mattress to Cushion the Fall

CreamK says...

Yeah, when someone is filming a security monitor and something just happens to happen at the very precise moment.... First question, why was the guy filming it in the first place? Shouldn't those be recorded anyway with better quality. I'm putting this to fake viral ad category.

MichaelL said:

The odds that a cyclist, a mattress and a webcam would be at the same space and time are inconceivable.

The first wave at Zin stream - The biblical sin

The difference new engines make in Formula 1

Transforming Formula One: 2014 Rules Explained by Red Bull

CreamK says...

What they meant by this is to use all power available. They got 100l of fuel to go full 1½h race. The fuel flow is limited to 100l/h. That means they need to use around 67l/h on average, this of course decreases during braking and is almost at max during acceleration. Also energy recovery and the release of that energy has some leeway to be used in different ratios, it is limited to 33s per lap. How that energy is divided, is up to the team.. So they will have the full boost of 160hp from ERS and full 100l/h fuel flow when using "push to pass" button but it's nowhere near the common definition of that function. Traditional push to pass is high boost, on 2014 F1 it means few percentages of power. The correct term would be "overtake mode".

RBR infringed fuel flow rule and no other team had been even warned, FIA has guidelines that teams should calibrate with enough margins to void minor differences between sensors. RBR refused to do this and counted on FIA not counting that marginal change. FIA had stated pre-season that in no case there will be extra fuel flow allowed, it's almost zero tolerance policy.

They've done this before, made a marginal rule infringement and got away with Charlie Whitings slap on the wrist:"change it to the next race".. Their camera mountings is already one of those little things that is technically legal and at the same is not.. It all depends if the TV crews can find a suitable camera. If they say "no", the rules are clear: they need unobstructed view.. That small hole hardly allow high quality picture, the only lens that could even remotely suffice is fisheye lens with a mask: it is not their standard equipment.. RBR most likely will have to change those too (imho, so should merc camera pods and mclaren parachutes too). Compare that to Williams 360 camera pod and it's pretty clear what FIA means by "enough room to fit camera" means.

Last year they had holes on the floor in monaco: ruling was, change them to the next race.. Then there was the TC scandal, RBR used illegal engine mappings.. They used them last year too when there was a ban of feeding fuel to exhaust during zero throttle to feed the blown diffuser: RBR chuckled and used them anyway.. They still have the duct inside the nose, it violates the intention of the rule but is legal technically. Of course the severity of the punishment is a clear sign: FIA just showed that no more of that bullshit, RBR has to start respecting rules.

oritteropo said:

Are you sure? The radio call to Bottas was "use your push to pass button"!

RBR have appealed, and claim that the sensor was wrong (and reckon they can prove it). That could go either way in the final wash-up.

Transforming Formula One: 2014 Rules Explained by Red Bull

CreamK says...

Not exactly.. It is limited by time and amount of energy. There is no "push to pass" button but they have some leeway on how to spread the extra energy around the lap. You can use it more on one corner but for the rest of the lap, you're total power output is reduced.

First race is now over, RBR got disqualified due to too much fuel was being fed to the engine... Also the dreaded "they will save fuel" phase was over in 10 laps. There were lots of technical DNFs, 14 cars made it to the finishline, which was miles better than worst fears. Some of the cars made their first race distance. But the main change was..

Almost unlimited torque at the low revs.. The cars were sliding, they were skittish, there were 3rd gear opposite locks.. They are once again more powerful than the grip what tires and aero can produce. Turns like T2 and T5 in Albert Park used to be "non-corners", they just pointed the nose to apex and floor it.. Now.. totally different thing. Even T9 exit was dangerous, which it hasn't been since 1999.

Eau Rouge will not be a flat out, easy corner but terrifying rollercoaster that eats lives if you don't respect it..

Only thing we lost is the sound, the new V6 uses energy so much efficiently that sound is not as loud.. On the plus side, you can hear the tires squeeling and the audience cheering. It's not V10 screech but low throaty roar.

Ickster said:

That's exactly how it's used.

Everything You Need To Know About Digital Audio Signals

CreamK says...

It's been tested and the "best" audiophiles can't hear differences between 14bit and 16bit, nor can they hear differences between 44.khz and ANYTHING higher. In some tests they could use12bit sound with 36khz sampling frequency... The differences they hear are inside their head. Thus the description of improved sound is always "air", "brilliance", "organic" etc.. Don't be fooled by their fancy gear, most of it is for nothing. Cables: i am always willing to bet my months salary on doubleblind tests, 10 000€/m against a coat hanger, no audible differences.. It's all about confirmation bias, you think there's a change and suddenly you hear it.

About MP3s vs PCM:
Here we have audible differences. But. Put on high enough energy, ie turn your amp high enough, suddenly double blind studies can't find which is which. But it can be audible, mp3 is lossy format and even 320kbps can be heard. Not with all material, it's about in the limits of human hearing. Some might hear high end loss, if you're in your twenties. Once you hit 40, everything above 17khz is gone, forever. You will never hear 20k again. And to really notice the difference, you need good gear. Your laptop earphone output most likely won't even output anything past 18khz well and it's dynamic range can be represented with 8bit depth.. It can be just horrible. Fix that with usb box, around 80€: you can take that box anywhere on planet to the most "hifiest" guy out there and he can't hear the difference between his 10000€ A/D converter.. In fact, 5€ A/D converter can produce the same output as 3000€ one... That's not why i said buy a external.. It's more to do with RF and other shielding, protection against the noises a computer makes than A/D conversion quality. Note, i'm talking about audible differences, you can find faults with measuring equipment and 95% of the gear price is about "just to be sure".

If you want a good sound, first, treat your room. Dampen it, shape it.. If you spent 10k on stereo and 0 on acoustics, you will not have a good sound no matter what you do. Spend the same amount on acoustics than what you do on you equipment, room makes a lot more differences than gear. Next comes speakers, they are the worst link in the chain by a large margin. Quality costs, still wouldn't go to extremes here either, the changes are again "just to be sure", not always audible.. Then amps, beefy, low noise, A/B. You don't need to spend a huge lot of money but some. Then cables.. Take the 50€ version instead of 300€ or 3000€. Build quality and connectors, durability. Those are the reason to buy more expensive than 5€. Not because of sound quality.. There will always be group of people that will swear they can hear the differences, that's bullcrap. Human ear CAN NOT detect any chances, even meters are having a REALLY hard time getting any changes. You need to either amp up the signal to saturation point, or use frequencies in the Mhz ranges, thousands of times higher than what media needs to get any changes between cheapest crap and high end scams.

Audiophiles can't be convinced they are wrong, they are suffering from the same thing antivax people do: give them facts, they will be even more convinced they are right.

MilkmanDan said:

This goes beyond my knowledge level of signals and waveforms, but it was very interesting anyway.

That being said, OK, I'm sold on the concept that ADC and back doesn't screw up the signal. However, I'm pretty sure that real audiophiles could easily listen to several copies of the same recording at different bitrates and frequencies and correctly identify which ones are higher or better quality with excellent accuracy. I bet that is true even for 16bit vs 24bit, or 192kHz vs 320kHz -- stuff that should be "so good it is impossible to tell the difference".

Since some people that train themselves to have an ear for it CAN detect differences (accurately), the differences must actually be there. If they aren't artifacts of ADC issues, then what are they? I'm guessing compression artifacts?

In a visual version of this, I remember watching digital satellite TV around 10-15 years ago. The digital TV signal was fine and clear -- almost certainly better than what you'd get from an analog OTA antenna. BUT, the satellites used (I believe) mpeg compression to reduce channel bandwidth, and that compression created some artifacts that were easy to notice once somebody pointed them out to you. I specifically remember onscreen people getting "jellyface" anytime someone would nod slowly, or make similar periodic motions. I've got a feeling that some of the artifacts that we (or at least those of us that are real hardcore audiophiles) can notice in MP3 audio files are similar to an audio version of that jellyface kind of issue.

One girl - 14 genres

Conan: Often at his funniest when things go wrong

CreamK says...

Later in that episode (episode? show?) they tear up the box and there is pair of tidy whities in there, some cotton undergarment for reasons unknown.. Maybe they are not allowed to store food in the props dep. even thou it's dry food and probably never goes off.. The rules on those larger studios are sometimes just a nuisance..

NSA operation ORCHESTRA: Annual Status Report

Gibson guitars now tune themselves robotically

CreamK says...

Old gamename, formed by bashing the keyboard with my forehead and rearranging the letters.. This is one of the last places i still use it, the new one is SquidCap.. Gets much less " i creamed you cream" from other gamers.. And i had no idea until it was too late that it was kind of dirty nickname..

deathcow said:

@CreamK
> Maybe if the person is really heavy but i haven't got that problem

why creamk?

David Mitchell on Atheism

CreamK says...

Have to double post: both sides greatest fear is "i don't know". Both sides attack that different but result to the same. Science revels on "i don't know" and willing to change their minds on new evidence. Except when it comes to God. Religion solves that with "god knows all". Result is the same: problem seemingly solved. Agnosticism just accepts "i don't know" and move on to more important issues. I'll never know so why think about it at all.



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