The sound frequency range that the human ear can distinguish is between 20Hz and 20,000Hz, which does not mean that humans cannot detect it below 20Hz and above 20,000Hz.

On the contrary, sound above 20,000 Hz can be received by the subconscious mind and affect the human spirit from the inside out, while infrasound waves below 20 Hz will be received by the human body, often causing very serious organ damage.

The audio industry often abides by a taboo rule, whether it is the sound effect unit or the drive circuit, the audio low limit will be controlled at about 40Hz, plus or minus no more than 3Hz error, away from the dangerous infrasonic frequency range.

Perhaps the amplifier system was malfunctioning, or the subwoofer was too powerful, and the outdoor sound system of the Kumquat KTV, which provided square dance music to the citizens for free, released infrasonic waves, and it was directly opposite the high-end residential community diagonally across the road crossing.

High-rise houses with only one layer of green walls inevitably bear the brunt.

It's not so much the evil qi in the mouth of the feng shui master, but the real murderous aura, after all, infrasonic waves will affect the human body, and even kill, and it is also the reason why Gao Jinyue encountered the "ghost press bed" in his sleep, but he didn't expect that today's infrasonic power would suddenly become so powerful, directly shattering all the windows.

But what made Gao Jinyue's house restless was not only the infrasonic waves, but also the high-frequency sound waves refracted by several large outdoor billboards.

Although it has been attenuated to the point that it is inaudible to the human ear, the high-frequency sound waves that become extremely chaotic when superimposed on each other unexpectedly match the resonance points of some of the appliances in the tall house.

Like four or two thousand catties, the resonant utensils made a trill, while slowly sliding, it looked like it was haunted, and most of the abnormal changes were ceramic or glass products, no wonder the Gao family would be scared half to death.

Gao Jinyue was a little skeptical about Li Bai's explanation, but when he saw the feng shui master Master Zhou nodding affirmatively, he was willing to believe that the so-called wind brake (infrasound) was originally caused by a kumquat mass KTV not far away.

Now that the cause and source have been found, the next thing is easy to do.

Although the urban management department had already left work at this time, Gao Jinyue still had his own way.

An hour later, a deputy squadron leader of the urban management came to the mansion with two team members and professional monitoring equipment.

As soon as the equipment was set up, the deputy captain of the urban management shouted.

"What's going on? 17Hz, it's going to be a dead person! ”

The three chengguan thought it was a machine failure, and restarted it again, but the new monitoring data still jumped between 14Hz and 18Hz, and occasionally jumped to 25Hz, and the data did not go wrong.

Lao Gao's face turned pale, he didn't answer the shouts of the deputy squadron leader of the chengguan, looked at Li Bai, and then looked at Master Zhou, who shrugged his shoulders and said tremblingly: "It's true, it's true!"

Although it sounds bizarre, whether it is from science or from Feng Shui, it has proved that there is a shortage in the southeast, and the invasion of external evil, he is finally willing to believe.

"Where did this infrasound come from? Mr. Gao, fortunately you found it early, otherwise something would have happened. ”

Cai Jin, the deputy squadron leader of the urban management, is a knowledgeable person, but he is still scared half to death, and in a place like the downtown area of Hujiang City, if the infrasound waves harmful to the human body are allowed to spread unscrupulously, the consequences may be unimaginable, as evidenced by the glass all over the floor inside and outside the house.

At the very least, the big and small leaders in the Dongpu District will be swept away in pieces like dumplings, and who dares to despise them? The urban management brigade will bear the brunt, and a major earthquake will inevitably occur.

Do you want to eat, watch TV, or sleep after work?

Think beautifully!

All the best together!

"Captain Cai, it's from Kumquat Mass Dealer KTV. ”

For the sake of the lives of the whole family and the safety of his own home, Gao Jinyue reported to the chengguan without hesitation according to Li Bai's suggestion.

"Kumquat mass sales KTV?"

Deputy Squadron Leader Cai looked at the eye-catching neon sign at night and the faintly intense square music, and said to the two subordinates: "Find the boss of the kumquat wholesale KTV and ask them to stop the outdoor stereo." ”

This is precisely the responsibility of the urban management brigade.

After speaking, he hurriedly called the leader to report.

The two chengguan team members quickly found the phone number and business phone number of the person in charge of the kumquat mass KTV and notified them to stop outdoor audio.

Five minutes passed, ten minutes passed, fifteen minutes passed, and the music in the distance still didn't stop.

Deputy Squadron Leader Cai frowned, and the other two chengguan team members looked at each other.

Just now, both the person in charge and the staff who answered the phone were full of promises, is it so difficult to turn off the stereo?

"Check it out!"

Deputy Squadron Leader Cai was a little angry.

"We'll go too!"

Gao Jinyue was even more angry, obviously he had already notified the other party to turn off the stereo, but he refused to turn it off until now, what does this mean?

Do you want to make a feud with his surname Gao, or do you want to fight against the government?

A few people didn't drive, and walked straight over, which was only five or six minutes away.

More than 100 old ladies and middle-aged women jumped in unison on the square in front of the gate of the kumquat mass KTV market.

The seven high-power speakers located on the balcony on the fourth floor of the KTV are emitting deafening music, because there are no residential areas on the left and right, and the high-end townhouses diagonally opposite the intersection are far away, so the unscrupulous power is fully opened, especially the subwoofer in the middle, which constantly emits a heavy and muffled sound.

Just this momentum has brought a lot of popularity to Kumquat mass KTV, the elderly are dancing at the door, and the young people are singing and dancing inside the door.

After Gao Jinyue and the three followed the chengguan into the KTV, they asked all the service personnel, but they could not find the shift manager who was in charge that day.

Even the front desk said that only the key in the manager's hand can open the balcony where the outdoor audio is located, but the door of the manager's room inside the KTV is closed, and it has not been opened after knocking for a long time.

"Call their leaders again, and limit the person in charge here to be there within half an hour. ”

Deputy Squadron Leader Cai knew that KTV was deliberately avoiding a delaying strategy.

If you turn off the stereo suddenly, I am afraid that you will not only lose the popularity of the door, but also offend a bunch of old ladies.

The old lady of the people is important, or a few urban management are important, presumably the kumquat mass KTV has already calculated very clearly, and there is no fear.

What's more, the boss who can open a KTV, which one is not related to the background, ordinary people can't open such a place.

But after a few phone calls, it was like Shi Juehai, there was no response, and even in the end, even the mobile phones of the two city managers were blocked, as long as they dialed it, it was either a busy sound or a flash.

Deputy Squadron Leader Cai's face was almost gloomy and about to drip water, not only did he not give face, but he was simply slapped in the face.

"Tell your boss to come out, if you don't see anyone again, don't think about doing your business. ”

Gao Jinyue finally couldn't hold it anymore and slapped the table at the front desk and shouted.

Huahuaqiaozi people carry people, all rely on each other's faces to eat, so don't give face, no wonder Lao Gao will turn his face.

The feng shui master gently pulled Li Bai's sleeve and whispered, "Be careful later." ”

"Huh?"

Li Bai blinked.

"Maybe there will be a fight. ”

Master Zhou has seen the world, and Mr. Gao's provocation of KTV like this will most likely provoke a fierce reaction.

"Oh!" Li Bai nodded, thinking about whether to find a suitable position to hold his head and be beaten.

At this time, several young people in suits and leather shoes walked over, and one of them glanced at the three chengguan and Gao Jinyue, and said, "A few people, please don't interfere with our normal business here, if there is anything, please go outside and say it." ”

The tone that sounded like a tactful reminder and the expressionlessness of the face made the warning clearly threatening.

Singing K, drinking, relaxing and decompressing, some people even secretly knock drugs, if the KTV is a sheep, guaranteed not to exceed a month, it will be smashed.

Under normal circumstances, it is normal to have trouble three times a week.

"We are enforcing the law normally, please cooperate!"

Vice Captain Cai didn't believe that he couldn't cure this KTV with no one in his eyes, he had already notified the leader, and I believe there will be news soon.

However, no one paid attention to him, and more than a dozen strong young men surrounded the six people in the center, and they didn't push or shove, but just surrounded them like a human wall, maybe just waiting for the six people to do it first, even if they called the police, they wouldn't pay attention.

"You're murdering, trying to drive us away, it's not that easy. ”

Gao Jinyue, who was lucky enough to pick up a life today, was willing to swallow this breath.

If he can't solve the hidden danger this time, let the other party push and drag the mud, and kick the ball unscrupulously, then his house will become a murderous house, making it difficult for his family to return home.

-