The sound frequency range that the human ear can distinguish is between 20Hz and 20000Hz, which does not mean that humans cannot detect it below 20Hz and above 20000Hz.

On the contrary, sounds above 20,000Hz can be received by the subconscious mind and have an impact on the human spirit from the inside and outside. Infrasound waves below 20Hz will be received by the human body, which may cause very serious damage to the organs.

The audio industry often abides by a taboo rule. Whether it is a sound effect unit or a driver circuit, it will control the audio bottom limit to around 40Hz, with the error of positive and negative no more than 3Hz, and stay away from dangerous infrasonic frequency ranges.

Perhaps it was because the amplifier system was malfunctioning or the subwoofer was too powerful. The outdoor audio system of the Kumquat mass selling KTV, which provided free square dance music to citizens, released infrasound waves, and was facing the high-end residential community diagonally opposite the intersection.

The tall house with only one green plant wall is inevitably the first to bear the brunt.

Rather than saying it is the evil spirit in the Feng Shui master's mouth, it is more of a real murderous spirit. After all, infrasonic waves will affect the human body, or even kill, and it is also the cause of Gao Jinyue's "ghost pressing the bed" in his sleep. However, he did not expect that the power of today's infrasonic waves will suddenly become so powerful, directly shattering all windows.

But what made Gao Jinyue’s family restless was not only the infrasonic waves, but also the high-frequency sound waves reflected from several large outdoor billboards.

Although it has decayed so much that the human ear cannot hear it, after superimposing each other, the high-frequency sound waves that have become extremely chaotic unexpectedly match the resonance points of some of the equipment inside the Gao House.

It’s like a quadruple-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-two-t

Gao Jinyue was a little skeptical about Li Bai's explanation, but when he saw Feng Shui Master Zhou nodding with affirmation, he was willing to believe that the so-called wind evil (infrasound wave) turned out to be caused by Kumquat mass-sale KTV not far away.

Since the cause and source are found, the next thing will be easier.

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

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

As soon as the equipment was set up, the deputy captain of the urban management started to yell.

"What's going on? 17Hz, this is going to die! Test it again."

The three urban management officers thought it was a machine failure, so they restarted again, but the new monitoring data still jumped between 14Hz and 18Hz, and occasionally jumped to 25Hz. There was no error in the data just now.

Lao Gao's face turned pale. He did not answer the shouts of the deputy squadron leader of the urban management. He looked at Li Bai and then at Master Zhou. The latter shrugged his shoulders and said tremblingly: "It's true, it's true!"

Although this sounds bizarre, both from science and Feng Shui proved that the southeast was short of something, and the external evil invaded, he finally believed it.

"Where did this come from the infrasonic wave? Mr. Gao, fortunately you discovered it early, otherwise something big would happen."

Cai Jin, the deputy captain of the urban management squadron, was a knowledgeable person, but was still scared to death. If a place like the downtown area of ​​Hujiang City allows infrasonic waves that are harmful to the human body to spread unscrupulously, the consequences may be unimaginable. The glass inside and outside the house is a proof.

At least the leaders of Dongpu District will be scrapped in pieces like dumplings. Who dares to underestimate them? The Urban Management Brigade is the first to be affected and a major earthquake will inevitably occur.

Have to eat after get off work? Watch TV? Sleep?

Think beautiful!

All up!

"Captain Cai was reported from Kumquat mass seller KTV."

For the sake of the lives of the whole family and the safety of his own family, Gao Jinyue reported to the urban management without hesitation in accordance with Li Bai's suggestion.

“Kumquat mass selling KTV?”

Deputy Captain Cai looked at the eye-catching neon sign under the night sky and the intense square music vaguely coming. He realized something and said to his two subordinates: "I asked the boss of Kumquat mass-sale KTV to call them and let them stop the outdoor audio."

This is exactly the responsibility of the Urban Management Brigade.

After saying that, he quickly called the leader to report.

The two urban management team members quickly found the person in charge of Kumquat mass sales KTV and the business phone number, and notified the outdoor audio to stop.

Five minutes passed, ten minutes passed, fifteen minutes passed, and the music in the distance still did not stop.

Deputy Squadron Captain Cai frowned, and the other two urban management team members looked at each other.

The person in charge and the staff who answered the phone just now agreed. Is it so difficult to turn off the audio?

"Go and have a look!"

Deputy Squadron Captain Cai was a little angry.

"We'll go too!"

Gao Jinyue was even more angry. He had already notified the other party to turn off the speaker, but he refused to turn it off until now. What does this mean?

Want to make enemies with his surname Gao or plan to fight against the government?

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

More than a hundred old ladies and middle-aged women jumped around in the square in front of the Kumquat mass selling KTV gate.

The seven-seater high-power speakers located on the balcony on the fourth floor of KTV are making deafening music. Because there are no residential areas on the left and right, the high-end townhouse area diagonally opposite the intersection is far away, so the power is unscrupulous, especially the subwoofer in the middle, which keeps making heavy and dull sounds.

This momentum alone has brought a lot of popularity to Kumquat mass sales KTV. The elderly dance at the door, and the young dance inside the door.

After Gao Jinyue and the other two entered the KTV with the urban management staff, they asked all the service staff, but they could not find the shift manager they were responsible for that day.

Even the front desk said that only the key in the manager's hand could open the balcony where the outdoor audio was located, but the door of the manager's room inside the KTV was closed and it was knocked for a long time but it didn't open. It was a terrible thing.

"Call their leaders and limit the person in charge here to appear within half an hour."

Deputy Squadron Captain Cai knew that KTV was deliberately avoiding procrastination strategy.

If you suddenly turn off the speaker, you may not only lose the popularity at the door, but also offend a group of old ladies.

The old ladies of the people are important, and there are still several urban management personnel. I believe that Kumquat mass sales KTV have long been very clear about it and are fearless.

What's more, the boss who can run a KTV is not related to the background, and ordinary people cannot open such a place.

However, after several calls, they were like a rock sinking into the sea, without any reaction. In the end, even the mobile phones of the two urban management officers were blocked, as long as they were either busy or flashed.

Deputy Squadron Captain Cai's face was so gloomy that water was almost dripping. This was not just a shame, but a slap in the face.

"I'll ask your boss to come out. If you don't see anyone again, you won't be able to do your business."

Gao Jinyue finally couldn't help but slapped the table at the front desk and started shouting.

People who are caring for Huahuaqiaozi rely on giving each other faces to each other. No wonder Lao Gao turned against him so much.

The Fengshui master gently pulled Li Bai's sleeve and whispered: "Be careful later."

"Um?"

Li Bai blinked.

"Maybe the fight will start later."

Master Zhou has seen the world, and Mr. Gao’s provocation of KTV like this will probably cause a fierce reaction.

"oh!"

Li Bai nodded, wondering if he should find a suitable position to hold his head and get beaten.

But what is certain is that the guys who dare to beat Li Da Demon usually don’t have good results.

At this time, a few young men in suits and ties came over. One of them looked at the three urban management officers and Gao Jinyue and said, "Please don't interfere with our normal operations here. If there is anything, please go outside and talk."

The tone of reminder sounded tactful and expressionless, and the warning clearly showed threat.

Sing K, drink, relax and relieve stress, some people even secretly pick up medicine. If the KTV is a sheep, it will be smashed to pieces for no more than a month.

Under normal circumstances, it is normal to have three reunions every week.

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

Vice Captain Cai doesn't believe that he can't cure this arrogant KTV. He has notified the leader and believes that news will be available soon.

You should know that what he reported was a major accident warning that could cause deaths and injuries, and no one could underestimate it.

However, no one paid attention to him. More than a dozen strong men surrounded the six people in the center, but did not push them. They just surrounded them like human walls, perhaps waiting for the six people to take action first, even if they called the police, they would not be in the wrong hands.

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

Gao Jinyue, who was lucky enough to save his life today, could not swallow this breath.

If the hidden danger cannot be solved this time, and the opponent and the muddy person push and drag, and unscrupulously beat the ball, his home will become a haunted house, making it difficult for him and his family to return home.

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Chapter completed!