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Difference between instruments playing the same note Anonymous 17/11/30(Thu)16:21 No. 16585 ID: 864454 [Reply]

File 15120552626.jpg - (85.73KB , 1180x613 , rd-2000_hero.jpg )

At the same pitch? I'm trying to create a piece of music from an advert since I cannot seem to pay anyone enough to recreate it as they fear copyright backlash as a piece of production music.

The original track uses several synthetic guitars



This is my reasonable attempt :

I'm an expert at the piano but unfortunately don't really know much about guitars and that's why despite me playing the same notes at the same pitch, it sounds almost entirely different.

Message too long. Click here to view the full text.

Anonymous 17/11/30(Thu)17:03 No. 16586 ID: f9cb15

It's not possible to explain it in analogy to sine waves, because instruments are not sine wave generators. If instruments were capable of producing perfect sine waves at consistent phases, frequencies, and amplitudes then yes, they would all sound the same.

Comparing an electric guitar to a piano:
1. Plucking a string causes it to vibrate differently vs. striking it. For a given pitch, this generates differently shaped "main waves", which itself gives the sound different harmonics. Compare the sound of a piano to that of a harpsichord. The harpsichord has more harmonics.
2. The guitar doesn't have a resonance chamber, nor do its strings vibrate the air directly. Instead it uses electromagnets to measure the distance of a piece of metal several thousand times per second. Because the strings vibrate perpendicularly to the pickups, this adds a non-linear distortion to the wave, which adds harmonics.
3. Certain maneuvers are possible in a guitar but impossible in a piano. For example, a piano is not capable of doing a proper glissando, because it can only produce notes at discrete ranges. A guitar is also able to do tremolo, which I think it's impossible with a piano.
4. Finally, different mechanisms of producing sound cause the attack, decay, sustain, and release phases to have different lengths, which also affects the "feel" of the sound.

Anonymous 17/12/01(Fri)09:22 No. 16593 ID: 0c2267

i think some of your later notes are off
also it will sound slightly different if it's in the context of a chord or if there are other parts playing
i think i phrased that wrong
a phrase will sound different in terms of "mood" or "tone" (not tone as in timbre, etc) if it has accompanying notes
i think i phrased that wrong again
Also yes the timbre of an instrument and the harmonics/partials will effect how it is perceived
it probably shouldn't be so different that it sounds so wrong
try a different register, play higher
check your notes again

Request: Post HD images of technology Anonymous 17/10/08(Sun)00:10 No. 16561 ID: 864454 [Reply]

File 150741422126.jpg - (105.64KB , 640x966 , OracleExadataExalogic.jpg )

Hey guys, I recently started a computer science class in college and my networking teacher who is the head of the IT department wants us to impress him with the best personalization of our desktops.

> inb4 impress him with your computer programming skills as opposed to flashy images

No anons, No. The motto that he always repeats is that it's important to be "all rounded". He's seen lots of autist computer geeks who are geniuses at what they do but are pretty much mediocre/shit at nearly everything else in their life (social skills, organisation of themselves, writing CV's).

I would like to show off images that highlight an interest in tech along with high quality photography; so if I may ask you kindly to post your favorite images

> I would to the other chan but those fags banned me since June of this year and my shitty ISP hasn't renewed my "dynamic" I.P. address for 4 months.

4 posts and 2 images omitted. Click Reply to view.
Anonymous 17/10/27(Fri)02:12 No. 16569 ID: 43ed39

A modern computer is an adult's toy. It is a gateway to entertainment. If the computer is not pleasing to the eye of the user, then its entertaining value will be diminished. Smear a computer with feces, and most people won't even want to use it because it stinks so badly; in this case, the computer's usefulness has dropped to zero.

Anonymous 17/10/27(Fri)16:15 No. 16570 ID: 012486

Your entire argument hinges on the premise that a computer must be within eyesight of the user in order for them to use it, which is an undemonstrated assertion. You can always hide an unpleasant computer under a table, inside a cupboard, or even in a different room.

Additionally, this is a non sequitur:
>If the computer is not pleasing to the eye of the user, then its entertaining value will be diminished.
This is like saying that the quality of a movie is affected by the appearance of the theater's entrance.

Anonymous 17/12/01(Fri)08:53 No. 16591 ID: 86f262

personalization of the desktop doesn't sound like a assignment....

if you want to make it personal, you need to take the picture yourself. There is nothing special about a good quality pic from the web.

For offtopic, i second this guy -> >>16570
Offcourse i would choose the ugly powermachine instead of nice looking computer that barely even computes.

Anonymous 15/07/26(Sun)20:15 No. 16178 ID: c84a9c [Reply]

File 143793450731.jpg - (80.44KB , 8000x500 , solarsystem.jpg )

i just need to upload this somewhere
that fucking bitch tinypic breaks 8000 wide pics

2 posts omitted. Click Reply to view.
Anonymous 17/10/04(Wed)08:30 No. 16558 ID: 736d69

Why the fuck is it in Russian using the Arabic alphabet??

Anonymous 17/10/06(Fri)21:13 No. 16560 ID: 33427e

Do you mean the Latin alphabet?

Anonymous 17/11/23(Thu)02:48 No. 16582 ID: ca57ba

It's actually Polish, which uses the Latin alphabet. It's missing a lot of the marks over the letters though, like in księżyc for moon.

bank account getting drained from hackers Anonymous 17/07/17(Mon)01:09 No. 16526 ID: 030037 [Reply]

File 150024659115.jpg - (32.55KB , 333x360 , serveimage.jpg )

Theoretically, how fucked up would I be if someone used a keylogger on my machine for a few month and leaked my bank account details (online password, PIN, security questions etc) on the Darkweb?

Not worried at all but I just wonder how good these computer hackers are at clearing accounts. Aren't there limits depending on the level of your account? They definitely can get around I.P alerts when accounts are accessed in different countries.

2 posts and 1 image omitted. Click Reply to view.
Anonymous 17/09/26(Tue)08:06 No. 16551 ID: fbe3c3

If you're not using some kind of shitty bank, your funds and your credit cards should be insured (to the tune of a couple million, I think) by the FDIC. Should anyone clear your accounts and you can prove it was fraudulent, you'll be able to recover what you have lost. However, the amount of time it will take might still leave you in a difficult position, and it won't fix your credit score.

Anonymous 17/10/29(Sun)14:48 No. 16571 ID: 7087c4

You'd be fine

Anonymous 17/11/06(Mon)19:26 No. 16575 ID: 7b1c18

Hackers prefer to target businesses for large transactions, because they know few people have $100,000 lying around, while a huge number of businesses have access to that much credit.

Top 11 Worst Location Data Privacy Breaches aladin 17/10/04(Wed)10:58 No. 16559 ID: 4a193f [Reply]

File 150710751028.jpg - (46.50KB , 960x560 , Overview-of-Location-Data-Breach.jpg )

Although we think our data is safe, we often give chunks of it away to third parties without the proper knowledge of how that information is stored and used. And we also don’t have a clue about the most important thing of all, how do companies keep our data safe. In most cases, it was discovered that our data isn’t as safe as we thought. Just look at Yahoo, and the company’s two massive data leaks; back in 2013 and, 2014 more than 1.5 billion user accounts were affected by all kinds of personal data being compromised. Users’ real names, passwords, email addresses, dates of birth, and telephone numbers were stolen, making the breach the biggest one in history.

scientific surrendur Noble Lass 17/09/17(Sun)22:29 No. 16547 ID: 36394f [Reply]

File 150568014310.jpg - (32.45KB , 500x650 , hitler_in_paris_1940_500x650_1044119901.jpg )


what it do fam

1 post and 1 image omitted. Click Reply to view.
Noble Lass 17/09/17(Sun)22:30 No. 16549 ID: 36394f

File 150568025137.jpg - (187.10KB , 800x592 , Haitian-revolution-Battle-Vertieres-1803.jpg )

Noble Lass 17/09/17(Sun)22:31 No. 16550 ID: 36394f

File 150568029491.jpg - (248.59KB , 1600x1068 , France_Grunge_Flag_by_think0.jpg )


hello+again 17/09/28(Thu)00:01 No. 16552 ID: 050801

Do you work to be this poor at interpretation or is it something that runs in your bloodline? WRONG.
Take up archaeology and get some decent psycho therapeutic medication, maybe then you'll be less of a Bitch Lass. Woof.

Logic is the 0-truncation of n-Category Theory. Americium 16/11/20(Sun)05:20 No. 16385 ID: ed8b6e [Reply]

File 147961565686.png - (75.30KB , 500x562 , true_false_paradox.png )

Let's see you normies try to logic your way out of this one.

9 posts and 1 image omitted. Click Reply to view.
Anonymous 17/08/14(Mon)01:35 No. 16536 ID: 45f007

What would happen if Pinocchio were to say, "My nose will grow right now."?

Anonymous 17/08/15(Tue)07:32 No. 16537 ID: c1b3cc

b) False

"False" is not the same as "false".

Anonymous 17/08/31(Thu)17:32 No. 16541 ID: eee0bd

Since false is in quotations i assume it refers to false as in untrue and not answer B, i cannot incorrectly answer the question because i dont have the answer key, therefore my choice is A because i assume i know the correct choice.

Anonymous 17/05/05(Fri)06:24 No. 16495 ID: 97b52b [Reply]

File 149395827559.jpg - (71.66KB , 289x317 , Ungus Fungus.jpg )

Why does the frequency of a wave multiplied by its wavelength equal C?

5 posts omitted. Click Reply to view.
Anonymous 17/07/12(Wed)09:08 No. 16524 ID: 3b41a8

Infinity in a Reimann universe is equivelant to -1/2 +- sqrt(1/12)

The owner of the CIA says howdy Joshua Paul Lee Roy Bietz MD Neurochemistry 17/08/02(Wed)00:09 No. 16531 ID: e6c346

File 150162534446.jpg - (510.33KB , 1600x1200 , 15016254225271915386741.jpg )

c=nu*lambda; nu=frequency and lambda=wavelength
The unit of frequency is cycles per second and that of wavelength is a displacement. Therefore, dimensional analysis provides you with displacement per second. Also, many electric and magnetic fields travel at speeds different from the speed of light, both faster and slower. Faster ones make it out of black holes, which ones depends on the escape velocity of black holes. The question you want to ask is how can we know theoretically that the matter eaten by the black hole conducts, and well, which we know from the electric and magnetic fields that escape from it near the axis of rotation.

Anonymous 17/08/25(Fri)19:53 No. 16538 ID: b659c8

quantum physics is stupid. waves, quants, photons. blah blah. it doesn't make any sense. physics in this regard is a giant bloated mess full of convenient mathematical tricks, but there is actually no real understanding, because no real observation can take place at this scope.

Anonymous 17/03/19(Sun)10:00 No. 16472 ID: 239da7 [Reply]

File 148991401746.png - (112.72KB , 925x301 , Worldlines.png )

So, I have a question regarding physics and mathematics. Between the two, which would give me more "smart sounding shit." I don't mean learning it to brag, I mean stuff like pure mathematics sounding totally abstract to normal people. I just want to be in a different world basically. Kind of like induced autism? Or like a constant high but without drugs. Pic unrelated

8 posts and 1 image omitted. Click Reply to view.
Anonymous 17/05/23(Tue)10:56 No. 16505 ID: cb2135

This is such stupid shit, if you learn a lot of stuff you'll want people you can talk with about it, not to deliberately _not_ be able to talk about it.

Americium 17/05/25(Thu)21:29 No. 16510 ID: 87c258

Meh, fuck it.

Read this, and all of STEM will be within your grasp.

'Physics, Topology, Logic and Computation: A Rosetta Stone', John C. Baez, Mike Stay

The owner of the CIA says howdy Joshua+Paul+Lee+Roy+Bietz+MD+Neurochemistry 17/08/09(Wed)23:29 No. 16535 ID: f8b2a3

Physics on account of exotic entities like black holes. Astrophysics is known as an exotic hard science, as is Cosmology. They just sound cool on the lonesome there of. Nuclear Physics and Particle Physics and Chemical Physics and Subatomic Physics just sound cool also. Muons, gluons, quarks, and the like also sound good. I do not know why, probably because I know more about it, but I believe Physics has more pizzazz than mathematics.

One question = many answers Eeee 17/08/02(Wed)09:32 No. 16532 ID: 7995e9 [Reply]


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