Chapter 671 - 431: Shattering Sky Lion’s Roar_2
Lion’s Roar, as the name implies, is to mimic the roar of a lion, and a real lion’s roar can reach up to 110 decibels.
This decibel level is already enough to cause significant pain, almost equivalent to the sound of an airplane taking off, and at close range, it can even cause irreversible damage to the ears.
The highest decibel level a human voice can reach is only 70, and even those who train in Lion’s Roar find it hard to exceed 80 decibels. The maximum sound pressure level the human ear can withstand is only 120 decibels; exceeding this level can cause deafness.
But now, the sound Wang Ye produces far exceeds that level, his sound waves are almost equivalent to the sound of an earthquake.
According to Wang Ye’s calculations, the sound he just produced should be around 150 decibels, which means his sound is far beyond that of a lion and can make ordinary people deaf and even cause bleeding from the seven orifices.
However, this decibel level still did not satisfy Wang Ye. What he wants is a skill that can cause lethal damage to all enemies over a wide area, not a simple intimidation skill.
If he could unleash Lion’s Roar causing a shockwave to defeat all enemy units within a radius of dozens of miles without a fight, that would be the skill Wang Ye desires.
But now, he clearly cannot achieve that level.
"It seems my skill level is still not enough." Wang Ye continues his breathing technique to train in Lion’s Roar.
Soon,
The wording of Lion’s Roar appears on the system panel.
[Lion’s Roar lv1 (0.1%)]
Seeing this, Wang Ye immediately accelerated the frequency of his training,
With his current Divine Attribute, it takes less than an hour to train a skill to the maximum level.
He watched as the skill level and proficiency continuously increased, and the sound pressure he emitted grew more and more astounding.
Rising from a hundred and fifty decibels to one hundred and seventy decibels,
Although looking at numbers it doesn’t seem like much of an increase.
The sense of oppression it brought was a qualitative leap.
If Wang Ye’s sound pressure wave was equivalent to a rocket missile launch before, now it equates to the sound of landslides and ground cracks.
Sufficient to shock a person to death instantly.
Moreover, as the skill advanced, the decibel level gradually increased,
At its first stage, Lion’s Roar already possessed such destructive power, Wang Ye was very much looking forward to the kind of lethality it would bring when upgraded to Extraordinary Skills.
But in reality, there is an upper limit to decibels.
They cannot increase indefinitely.
This upper limit is 194 decibels.
Anyone who has studied high school physics knows that sound is a wave produced by the vibration of objects. Sound can only be transmitted through a medium and be recognized by the human auditory system, its frequency ranging between 20Hz and 20000Hz, if it falls outside this range, humans cannot hear it.
Sound waves transmitted in the air are actually pressure waves that oscillate around an equilibrium point of normal pressure, referred to by humans as "sound pressure waves," the interval between them known as "wavelength," and the oscillation amplitude between high and low pressure as "amplitude."
Everyday sounds have two basic features, one being the pitch of the sound, known as "pitch," and the other being the volume, or "loudness." "Pitch" is determined by the wavelength of the "sound pressure wave," with shorter wavelengths producing a higher "pitch," and vice versa. "Loudness" is determined by the amplitude of the "sound pressure wave," with greater amplitude resulting in louder sound, and vice versa.
Thus, the maximum amplitude of a "sound pressure wave" corresponds to the maximum possible sound, with calculations showing that the maximum amplitude of "sound pressure waves" in ambient air at Earth’s surface is two standard atmospheres, converting to 202650Pa.
In acoustics, the "decibel" (dB) is the unit used to describe sound pressure levels, calculated using the formula: "Gp = 20 x log(10) P/P1," where "log(10)" indicates "logarithm base 10," "P" indicates the measured sound pressure, and "P1" the reference sound pressure, generally taken as 0.00002Pa, which is the smallest sound pressure discernible by the human auditory system, hence 202650Pa corresponds to 194 decibels.
Thus, the statement that the maximum sound is only 194 decibels is conditional, requiring sound to be dispersed in ambient air with a pressure of one standard atmosphere.
But what if the limit of 194 decibels is forcibly exceeded?
It would no longer be possible to form pressure waves oscillating around one standard atmosphere as a balance point, sound would no longer be strictly "sound."
Rather, it would be a shockwave.
In some explosive scenarios, shockwaves can be seen sweeping across surrounding structures and terrain.
This is essentially "sound" exceeding 194 decibels, with the more it exceeds this figure, the more terrifying the shockwave’s destructive power and expansion speed.
Wang Ye’s goal is to exceed 194 decibels and form a shockwave capable of crushing tanks.
But this undoubtedly poses a challenge.
Ordinary missile explosion-induced shockwaves are at most capable of overturning vehicles,
and cannot directly obliterate vehicles.
In other words, for Wang Ye to emit a shockwave to crush a tank, his sound must surpass that produced by an ordinary missile explosion.
Wang Ye is not concerned that the shockwave will harm him; with his current skeletal strength, he can easily withstand the shockwave’s damage.
At most, his internal organs may be impacted, but this is considered training; although his Vajra Indestructible has evolved into Law of Heaven and Earth, refining his body can still increase skill level, especially delicate parts like internal organs, which gain strength through training.
Thus, training in Lion’s Roar can also be considered as a way to temper physical toughness.
Wang Ye roars continually over the ocean,
As he no longer has lungs, he has no concerns about his breath running out,
As long as the Primordial Qi in his dantian is not depleted, he can roar uninterrupted.
But as his sound pressure waves increase,
He intentionally distances himself further from the land.
Once the sound pressure waves reach a certain level, they can cause significant harm to nearby humans and constructions.
For example, the sound pressure decibel post-sound barrier breakthrough of a fighter jet is 180, and even at this sound pressure level can cause buildings within kilometers to vibrate, shattering windows instantly.
Currently, as his skill level in Lion’s Roar increases, his sound pressure has surpassed 185 decibels. If he doesn’t intentionally stay farther from the land, the nearby city might be thrown into widespread panic.
Moreover, Wang Ye must be cautious of civilian aircraft passing overhead; since his emitted sound can affect buildings, it will naturally affect aircraft as well. If it disables an aircraft’s equipment or shatters its glass, the resulting damage would be extensive.
Given Wang Ye’s current calculation ability, determining the distance needed to avoid impacting land cities based on his emitted sound pressure level is not challenging, so whenever he feels an improvement in his power, he distances himself a few more kilometers from land accordingly.
Wang Ye even suspects that as his Lion’s Roar power increases, he might need to retreat to Nemo Point to prevent any impact on humans. Known as Nemo Point, it is the point on Earth’s surface furthest from land, situated in the central South Pacific Ocean, tagged as the "Ocean Pole of Inaccessibility." The nearest land is 2688 kilometers away from Nemo Point, isolated from land, shipping routes, and ocean currents with sparse life, dubbed as the loneliest place on Earth.
If Wang Ye eventually evolves to possess city-annihilating power, testing his strength on Earth would best be conducted at Nemo Point,
As there, Wang Ye need not worry about harming humans,
Unless he attains the ability to destroy stars.
While Wang Ye is contemplating this.
Suddenly.
The system panel before him flickers.
[You practiced Lion’s Roar and gained some insight, skill proficiency increased by 0.21%.]
[Your Lion’s Roar skill level is maxed, promoting to "Shattering Sky Lion’s Roar."]
[Shattering Sky Lion’s Roar lv1 (0.0%)]
[Traits: Sound wave destructive power increased by 10%]