[HA] Sound with LoK

Edward

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Hm, so canon-wise, sound was shown to be possessed by shinobis of Otogakure. Sound itself is essentially soundwaves/vibrations, consisting of both low and high frequencies depending on the technique. Sound can travel through basically anything from the ground, water, even air. It uses them as a medium for traveling, and its strength is due to its immense speed, much more compared to other elements like Earth and Water. To empower, or to make it more efficient, one can use a sound accessories to amplify their abilities, as shown in the manga during the Chuunin exams.

Now, sound is split into three branches. The first is Destructive Sound waves, which uses low frequencies, but high energy waves to deal physical damage. They aren't tangible, therefore techniques from this group are fairly strong. They appear as ripples in the air, clearly visible to the naked eye as well as a distinct sound, I'm guessing. Offensive Sound techniques using Destructive Sound waves travel slightly faster than the speed of Wind, in RP context of course.
Hindering Sound waves use high frequencies, but low energy. They are focused on hindering a target's body. body parts, or bodily functions like bones, balance, normal heart rate, etc. They travel at virtually instant speed, and because of its overwhelming speed, they cannot be avoided through normal means.
And lastly, as well as my favorite, Genjutsu-inducing Sound waves. They are using high frequency, low-energy sound waves as mediums to induce an illusion. They, like the last, are virtually instant and so are the illusion's effects. They are generally stronger than normal illusions but they can be expelled through normal means.

Strengths and Weaknesses of Sound
So, because it is an intangible element, I believe other intangible/somewhat-intangible elements have no effects to it (Fire and Lightning). So, a clash between two opposing elements, lightning vs sound/fire vs sound, will have no effect to both attacks, as far as I know. Sound is strong to Earth and Water, because it is essentially vibrations. They , as long as the rank permits it, can crush through the earth/disperse water with the power behind its vibrations/high energy waves.
Sound is weak to gas-like elements, and wind. I suppose the logic between its relationship with Gas should be similar to Wind. Wind is able to 'muffle' or disrupts the frequencies of sound and distorts it. Water and Sound combination increases the damage of Water, by +20, I believe. So, it's kind of like giving the body of water extra properties of physical damage once infused with Sound.

Sound Waves are disturbances in the air, traveling to another location. It is produced by vibrating items, like a drum to a stick, or your fingers to a guitar, etc. The vibrations causes the air molecules around it to vibrate, which causes a disturbance in the atmosphere, taking the form of a longitudinal wave.
 

Edward

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Sound in real life is caused by two molecules vibrating within a medium and is considered as a mechanical energy. Sound needs a medium to travel, so there is no sound in space since there's no molecules for it to travel through. Sound can travel through solids, liquids, and even air. The sound frequencies are measured in Hertz, and a frequency is basically the amount of sound waves passing a certain point in a certain amount of time. Obviously, high frequencies = high pitched noise, low frequencies = low pitched noise, and humans can hear about 20-20000 hertz. Sound waves are generally characterized by frequency, wavelength, wave number, amplitude, sound pressure, sound intensity, speed of sound, and direction. Through gases, plasma, and liquids, sound is transmitted through longitudinal/compression waves while in solids, it can be transmitted through longitudinal and transverse waves.

& That's all I know. LOL.
 
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Lord of Kaos

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Before we go on, bolded lines are very important, italics is useful information, and red is small tasks/assignments for you to do.

Sound is a pressure disturbance that moves in the form of a mechanical wave (distribution of energy through a medium from one particle to another). Simplified, it's energy moving from one place to another.

A noteworthy thing in between is that sound moves omni-directional. What I mean by this is Sound doesn't just travel in a single direction. I'll explain more when we get to actual Sound waves.

Sound in real life is caused by two molecules vibrating within a medium and is considered as a mechanical energy. Sound needs a medium to travel, so there is no sound in space since there's no molecules for it to travel through. Sound can travel through solids, liquids, and even air. The sound frequencies are measured in Hertz, and a frequency is basically the amount of sound waves passing a certain point in a certain amount of time. Obviously, high frequencies = high pitched noise, low frequencies = low pitched noise, and humans can hear about 20-20000 hertz. Sound waves are generally characterized by frequency, wavelength, wave number, amplitude, sound pressure, sound intensity, speed of sound, and direction. Through gases, plasma, and liquids, sound is transmitted through longitudinal/compression waves while in solids, it can be transmitted through longitudinal and transverse waves.
Your answer is very condensed and doesn't do sound justice. Let's start with the basics of Sound though. Idk how much Nathan taught you but if he used what Wes taught as a guide, then you probably learned a lot.

Starting with Frequencies.

• Frequency

First of all, a frequency is measured in Hertz. A frequency in theory is how many waves pass a certain point in a certain amount of time. So, basically, the lower the interval, the higher the frequency.

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Now, the cool thing is, adjusting the frequency. A higher frequency is a higher pitched tone, while a lower frequency is a lower pitched tone. If you listen to music and hear the bass, the frequency is lower. You can also feel it in your body a lot more than high frequency tones, because generally those are harder to perceive in the first place. The neat thing is, that this allows us to alter the effects of sound techniques by altering the frequency. That being said, you probably see how versatile sound actually can be, and how it can create different effects. Even if you can't hear something, the sound waves are still there and can still have effects on your body. You can alter waves to create varying effects on the body. A key example of this is Wesobi's not-so-sanitary-custom (see spoiler below)

Ototon: Kasshoku Bunsho - Sound Release: The Brown Note
Type: supplementary
Rank: C
Range: Short - Long
Chakra: 15
Damage: /
Description: First believed to be an urban legend, it took wesobi a long time next to an insane amount of effort and diapers to achieve completion on this technique. The user start by creating high power sound waves in his throat. The frequency is below 20 Hz, meaning that the human ear can’t hear it. Even though the human ear can’t hear it, the opponent his body will still feel the vibrations. The vibrations cause the opponent’s bowels to involuntarily work, and thus making the opponent lose control of their bowel movement. This results in content of the opponent’s bowels leaving his body. To counteract the effect on the user himself, he also focuses high frequency sound waves around his body, to counteract the effect.
Note: Can only be taught by Wesobi
Note: Can only be used once, unless used against members of the Akimichi clan, who eat an enormous amount of food compared to “normal” people. Against them, it can be used twice.
Note: No other sound techniques in the same turn.

Note that it says high power sound waves, not high frequency sound waves. There's a big difference. We'll touch on that later.

Well, to come back to your original statement, indeed, humans can only hear certain frequencies, or a range in between 2 frequencies. Generally, this is about 20 - 20 000 Hertz. Now, as you grow older, your body gets older as well, and you start to have trouble hearing high frequency tones. This is why younger people generally hear a lot better than old people. I was wondering if you speak in a lower voice, if people with hearing problems would understand you better, but I'm unsure (though it makes sense).
This does not mean that higher/lower frequencies do not effect the body! Remember that!

About the ultrasonic: Ultrasonic are simply sounds above 20 kiloHertz (20 000 Hertz) and thus above what humans can actually perceive. Other animals, like dolphins and dogs can perceive these (think, the dog whistle). These range from 20 KiloHertz into several MegaHertz. This is also what they use for sonograms (you understand what this is?) and such. Infrasound is the opposite (below 20 hertz).

Anyways, I would like you to ask me some questions about this general effect (as to broaden both our knowledge) concerning frequencies. With what you just learned, it should be somewhat clear, but still it's nice to stay sharp on the subject. We will also talk about Ultrasonic and supersonic waves next and what use they have in the RP.

Oh, one more thing I'd like to add, and this is particularly useful against Mugi's Radio Frequency/Wave CE. Low frequency sound waves generally move easier through rocks/earth than higher frequency ones. Think about your cellphone, when you move through a tunnel, the reception sucks.
 

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How does sound cause all those internal bodily issues? Is it from their vibrations? o-o

Are infrasounds used in the RP?

Is it scientifically, or RP possible to have low-energy waves deal damage like high-energy waves?

What happens if a sound is moving through earth and the earth is altered w/ chakra? o-o does it go on, or no because that chakra overpowers the sound? z_z
 

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Soundwaves cause damage through vibrations, yes, but it should also be noted that sound waves are transverse waves just like others; transverse waves cause the medium to vibrate at a right angle to the direction of the wave or energy being carried by the medium. If you anchor one end of a ribbon or string and hold the other end in your hand, you can create transverse waves by moving your hand up and down. Notice though, that you can also launch waves by moving your hand side-to-side. This is an important point. There are two independent directions in which wave motion can occur. There are certain frequencies that do certain things with your body.
A nice way to experiment with this for yourself would be to go to and experience little sound tests that influence
your body/brain. I tested them all of course, some work better then others, but it’s fun anyways. But that itself is proof that these waves are able to affect our bodies easily, and depending on the frequency of the wave, more severe effects can be felt. Low frequency waves are generally used for crowd control, causing effects like nausea, vertigo, queasiness, and even cause one to faint while high frequency waves are generally more dangerous and lethal.

Infrasound is sound waves of low frequencies. A lot of Sound jutsu vary from high frequency to low frequency jutsus. Infrasound is generally used to refer to sound waves that are a frequency so low that you cannot hear it. If you paid attention, the jutsu that I linked in the last post is an infrasound wave jutsu, Wesobi's Brown Note jutsu. The opponent cannot perceive the wave but it still happens. If the jutsu's effect was based on hearing it, it would have to be above infrasound wave limits. But since you asked about infrasound waves, I inversely have a question for you: What do you think about ultrasound waves and their uses in real life?

Well, speaking RP wise, what happens when an element is strong to another element but the weaker element is filled with chakra? Such as Lightning versus Earth filled with chakra. The stronger element still prevails, right? The same holds true for sound waves, just because the earth contains chakra doesnt save from the fact that it is still susceptible to being passed through with sound waves.
 

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I just know ultrasound waves are used in ultrasounds, i don't know anymore/couldn't find more information. o-o
oh, Bats use it to navigate too
and dogs with normal hearing can hear ultrasounds, like a dog whistle

I guess its main usage is in the ultrasounds, other than that, that's all i found. :l
 

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You're killing me here Edward.

Okay....Ultrasound waves, which are waves that are above the human hearing threshold at 20 kHz, are waves that have a lot of different uses in real life. Using it to navigate through ultrasonic ranging, like bats do, is called echolocation. We will talk more about this in time though. Ultrasonic waves are also used to detect objects, commonly used when women get sonagrams to see their developing child, done by using sound waves. Other examples are automatic door openers, an ultrasonic sensor detects a person's approach and opens the door. Ultrasonic sensors are also used to detect intruders; the ultrasound can cover a wide area from a single point. Another use, which is similar to echolocation, is sonars. An ultrasonic pulse is generated in a particular direction. If there is an object in the path of this pulse, part or all of the pulse will be reflected back to the transmitter as an echo and can be detected through the receiver path. By measuring the difference in time between the pulse being transmitted and the echo being received, it is possible to determine the distance. Ultrasound waves are also used for sonic weapons, weapons that use sound waves for applications such as riot control, disorientation of attackers, up to lethal levels of sound.

These shouldn't be confused with terms like supersonic or hypersonic btw. Infrasound and ultrasound refer to the frequency of the wave, while supersonic refers to speeds that break the speed of sound and hypersonic are speeds that are 5 times faster than the speed of sound. Ultrasonic waves do not break the sound barrier. Remember, they are just as much sound as another wave, the frequency is just higher, of course, the higher the frequency, the more energy used and thus how faster the sound travels, but how do you travel faster than yourself? Ultrasonic waves are sound, thus they move at their own speed. That is the speed of sound they produce. Breaking the sound barrier/creating a sonic boom is when an object or person moves faster than how fast the speed of sound can travel under the circumstances. Sound moves at a certain speed in certain air temperatures, we know that so far. An airplane causing a sonic boom is an airplane that can move faster than the speed of sound in these circumstances. See what I mean?

• Substance it moves/passes through


Now, realize that sound can move through any medium. Don't let anyone tell you otherwise. Though we needs some sort of limitations, and it's reasonable to say wind is a good counter to sound if it can be seen (doujutsu) or heard, but at that point it might be too late (depending on how a technique is used and how the effects are). Earth, however, depending on the situation (and the level of understanding of the usage by the opponent) can be a devastating counter as well.
Now, look below:
Speed of sound:
solid > liquid > gas.

Sound moves fastest of all through solids. Generally, this is because the particles and atoms in earth are more tightly packed than they are in liquids or gas. So, the closer the atoms/molecules, the faster sound moves.

- Elastic properties
There is a catch in between different solids.
Sound moves faster through rigid solids (i.e. steel, iron) than other things like jelly or mud. This is because solids that are rigid generally mean that the atoms and molecules have a much stronger force of attraction towards each other than in other solids. This is because of the fact that, once moved, they move back to their original position/form more quickly (and thus resulting in a much higher vibration speed). jelly in this case has much weaker attraction between the molecules, that's why it's so "elastic" (not to be confused with elastic properties), and much more flexible.


- Density
Next to this, there is the density. Now, more dense substances = more mass. More mass=bigger molecules. Because sound is based on kinetic energy that travels from one point to another, moving through denser objects means it has to use more energy, seeing as it has to move (vibrate) larger molecules. This however is used for substances with the same elastic properties.


To explain this take two examples with nearly the same elastic properties. Gold and aluminum (Gold = 10.8 psi; aluminum = 10 psi). While they nearly have the same elastic properties, gold is much denser, so it will travel faster through aluminum than gold.


Another funny thing is, this effect does not quite work the same in gaseous media.

Let's say it's hot hot hot in one side of the room, and cold cold cold in the other side. The logic explanation is that sound would move faster in the cold air (since it's denser), but that isn't the case!



Heat, like sound is a source of kinetic energy. More heat = More kinetic energy = more energy for the sound. This leads up to the fact that they can vibrate faster in hot air.

​Questions?
 

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Now, we can begin to move into Sound in the RP, the easier half of training.

Going over Ototon Genjutsu briefly, Sound Genjutsu are triggered on the idea of hearing a sound that triggers the illusion. This sound is instant and often times unavoidable but not always unavoidable. One should remember though: In a Sound Genjutsu, your goal is not to do physical damage.

There are three ways to stop Sound generally:
- Stop the sound from reaching your ears;
- make sure you don't hear anything (thus block the way to your ear drums or damage your ear drums)
- Destroy the part in your brain/disable the part in your brain that processes sound.



Sound genjutsus are faster than normal ones, except direct eye contact. Light = generally faster than sound, and visual ones are based on that in theory. It is because of this reason that the first method is often unworkable against Sound Genjutsu, because by the time you have heard it, you are in it. In this case, it is ideal to place something between you and the opponent to allow it to "tank" the wave, wind generally works well for this, as well as using something to prevent sound from entering your ears, ear plugs work great for this. Lastly, the more damaging option, you can injure yourself to the point that you physically cant hear Sound waves, however keep in mind that this doesn't effect all Sound jutsu; some are not dependent on you hearing the Sound.

Now, if there are no questions, we can start going over the jutsu.
 

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I honestly think getting rid of your sense of hearing would cost you more in the long run, since I use sound a lot to locate attacks/people, but that's just me xD
No questions
 

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Yeah it actually will hurt you more than help.

(Ototon: Naiteki Ne no Jutsu) - Sound Release: Inner Sonar Skill
Rank: D
Type: Supplementary
Range: Short-Long
Chakra Cost: 10 (-1 per turn)
Damage Points: N/A
Description: The user will enhance their hearing by infusing his ears with sound chakra. Then, by utilizing chakra and enfacing his lungs, the user will be able to control the frequency and intensity of the sound emitted from his simple breathing. This low frequency, inaudible sound is passively emitted and has no effect other than emerging from him and bouncing off of objects. Using the enhanced hearing, the user is able to know where everything is around them, effectively creating a sonar effect through the rebound and reflection of sound waves. The hearing and the sonar effect is precise enough so that one can effectively use it to substitute one's vision in battle if needed. Despite being very effective, specially if the user has any of his other senses hindered, it also leaves the user vulnerable to sound genjutsu or sound attacks which will be much more drastic in its effects.
Note: Lasts 6 turns

Okay, with this one, you activate it once at the beginning of your turn, and then it lasts until you release it or until 6 turns are over, whichever is shorter. With this, you can periodically get a reading of everything around you, by the sound waves bouncing off of objects and returning back to you. Problem is, if the object is able to absorb the sound waves, you'll get a distorted reading, or no reading at all. Likewise, since this reaches up to long range, anything long range will appear to you much later,creating a distorted sense of awareness that is prone with lag. If you're relying on this jutsu purely, then it's the same as being "blind" higher than mid-range. With that being said, it works marvelously in a mist, or even in a dust screen. It works underground, above ground to sense underground, in forests, inside a room, etc etc. The advanced version that Mugi created is so much better, able to tune out specific sounds as well as hear things as small as ants walking.

Lastly, beware of the enhanced sound, as you'd be extra susceptible to loud noises. Similar to how Kiba was extra susceptible to farts.
 

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Mhm, I learned this one but I do have a question.
Would it be considered metagaming if the enemy were to use an explosive-type technique after I activate it?
Can i activate it, and deactivate it once I see a technique that seems like its going to make a large noise, like a massive earth structure falling from the sky or sumthing? z_z
What exactly are the effects of loud noises in battle to the user? o-o
 

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Mhm, I learned this one but I do have a question.
Would it be considered metagaming if the enemy were to use an explosive-type technique after I activate it?
Can i activate it, and deactivate it once I see a technique that seems like its going to make a large noise, like a massive earth structure falling from the sky or sumthing? z_z
What exactly are the effects of loud noises in battle to the user? o-o
Yes and no. It could be seen as that because it would be rather....useful that they use a jutsu that causes an explosion, but at the same time, I say no because that would mean that them using any Earth jutsu would be seen as metagaming because a lot make loud noises. It's situational, though using jutsu like shrieks or something that causes damage to your ears normally would be metagaming if done right after you activate it without any reason for them to use.
Yes you can.
It depends on the noise. If it a jutsu that causes, say, headaches from loud shrieking, id say you could expect to almost faint from the pain. If it's normal explosions, I'd say it'd produce a loud explosion that creates momentary deafness and disorientation, like when flash bangs go off.
 

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(Ototon: Chūnyū no Jutsu) - Sound Release: Infusion Technique
Rank: B
Type: Supplementary
Range: Short
Chakra Cost: 20
Damage points: N/A
Description: A simple technique where the user touches an object and infuses it with sound chakra, enabling it to vibrate and produce a low frequency, high amplitude sound. The vibrations cause objects to bounce off of the targeted object which is highly useful when fighting with weapons or to make thrown basic weapons resist opposing thrown weapons.. It also resonates to the user if he were to be blind (because of a genjutsu for example), letting the the user know the objects position and what it deflects. It can also be applied to solid objects or structures the user may wish to destroy or, by applying it to the ground or similar, detect what is around him by making it resonate with the same low frequency. The object gets no added power, only the ability to deflect incoming objects that want to counter it.

Now, how would you explain this one? How do you think it's best used?
 

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You infuse an object with sound chakra which allows it to vibrate and produce a low frequency, high amplitude sound. The vibrations from the sound chakra causes anything that comes in contact with the object to bounce off, so an example would be throwing a kunai and infusing it with the sound chakra, so if an enemy tried countering it with another kunai, that kunai would simply bounce off. It resonates to the user so even if the user were blind, he'd know what was going on (only with that object of course.)

I think its best used on projectile based physical attacks. Like, a kunai, for example, or a sword. Anything CQC would be great with this jutsu. You could also use it on your armor, I think, so it would make being attacked difficult.

Question: what does this mean: " It can also be applied to solid objects or structures the user may wish to destroy or,"
 

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You infuse an object with sound chakra which allows it to vibrate and produce a low frequency, high amplitude sound. The vibrations from the sound chakra causes anything that comes in contact with the object to bounce off, so an example would be throwing a kunai and infusing it with the sound chakra, so if an enemy tried countering it with another kunai, that kunai would simply bounce off. It resonates to the user so even if the user were blind, he'd know what was going on (only with that object of course.)

I think its best used on projectile based physical attacks. Like, a kunai, for example, or a sword. Anything CQC would be great with this jutsu. You could also use it on your armor, I think, so it would make being attacked difficult.

Question: what does this mean: " It can also be applied to solid objects or structures the user may wish to destroy or,"
It means that you can cause an object to resonate at such a frequency that it bursts and destroys. This is applied to none chakra enhanced constructs, such as natural trees or boulders. It also works on things like kunai, shuriken, sword strikes, etc - but only those of a lower rank than this. An example would be if someone used that lightning jutsu that enhances kunais with Raiton chakra, it would defeat the vibrations cast by this and not be deflected.
 
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