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結果 : are high frequency sounds dangerous
12:34

Save your ears | Loud noise High frequency sound dangers | Hearing damage | Let us learn creation

Let us learn creation
1,407 回視聴 - 3 年前
3:59

Can Low Frequency Sound Waves Make You Sick?

Seeker
334,755 回視聴 - 8 年前
6:07

"Music Is Frequency Programming" 440HZ

Video Advice
2,044,414 回視聴 - 4 年前
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The Fear Frequency | Sonic Weapons, Havana Syndrome

The Why Files
584,155 回視聴 - 2 年前
20:02

They call them “THE HOLY FREQUENCIES” | SACRED KNOWLEDGE Of Ancient Solfeggio Scale

Be Inspired
1,447,355 回視聴 - 1 年前
10:16

The 528 Hz Frequency

Be Inspired
7,171,525 回視聴 - 4 年前
11:59:59

Sonic Weapon: Ultra High Frequency Pain Generator 12 Hours USW

crysknife007
318,498 回視聴 - 9 年前
10:00:00

Mouse Repellent Noise - Wall penetration version (No mid-roll Ads.) | Ultrasonic Rat Repellent Sound

닥터사운드 ASMR
814,854 回視聴 - 1 年前
6:16

We've Found The Magic Frequency (This Will Revolutionize Our Future)

Video Advice
13,567,976 回視聴 - 4 年前

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25:15

‘The Hum’: The Unexplained Noise 2% of People Can Hear

The Atlantic
767,039 回視聴 - 4 年前
2:24

20Hz to 20kHz (Human Audio Spectrum)

adminofthissite
43,274,490 回視聴 - 11 年前

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17:07

432 Hz and 528 Hz EXPLAINED: The Most Powerful Frequencies in The Universe

Be Inspired
1,490,583 回視聴 - 1 年前
27:28

"The Devil's Interval That Makes Us Sick"

Video Advice
1,313,232 回視聴 - 1 年前

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2:51

Take the High-Frequency Hearing Test | Brain Games

National Geographic
619,998 回視聴 - 10 年前
20:34

"With the RIGHT FREQUENCY, Anything is Possible" HIDDEN KNOWLEDGE OF VIBRATION

Be Inspired
3,531,868 回視聴 - 1 年前
8:13

Cool Hearing Test: Are You a Superhuman?

BRIGHT SIDE
23,756,340 回視聴 - 6 年前
6:34

Match YOUR Tinnitus Frequency: from 20Hz to 20000Hz with this Online Human Hearing Frequency Sweep

HearingTracker
463,892 回視聴 - 1 年前
1:23

Explained - How Excessive Loud Noise Is Damaging Your Ears

Eggz Earplugs
43,089 回視聴 - 5 年前
11:30

Anti Rat Repellent | Mouse Killer Sound | Very High Pitch Sound | 20Khz | Kill Rats using mobile

Sowmiyan Arumugam
2,287,939 回視聴 - 3 年前
1:05

Very HIGH PITCH Sound! [Warning! Very LOUD]

RandomHacker9Z
7,787,762 回視聴 - 8 年前