Microphones keep getting smaller and smaller, but have you ever asked what it would be like to have a bigger one in the form of a shirt? And though we tend to incorrectly think that we’re having two-way conversations with our pets, we...

Microphones keep getting smaller and smaller, but have you ever asked what it would be like to have a bigger one in the form of a shirt? And though we tend to incorrectly think that we’re having two-way conversations with our pets, we...

Mr. Andersen explains how sound waves are created and perceived. A brief discussion of pitch and loudness are included. A generated sound of varying pitches is also included.

The sounds we hear every day really do have effects on our health. Not just our ears, but our hearts and even our brains.

Descubre de qué manera la exposición a sonidos de volumen alto puede causar pérdida auditiva.
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Twig - Los procesos físicos - El sonido - Peligros d
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laves de aprendizaje
Los sonidos de...

The decibel is used to measure sound levels. It is represented by dB and is widely used in signals, communication, and electronics. The term decibel can be used to express an absolute value or a change in value (+1 dB or -1 dB). Decibels...

Discover how exposure to high-volume sounds can damage hearing.
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Physical processes - Sound - Da
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Learning Points
High volume sounds can
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amage ears and cause hearing...

The video differentiates between hearing and listening, explaining how our ears constantly pick up sounds while our brain chooses what to focus on. It covers how sound loudness is measured in decibels, with examples from everyday life,...

The decibel is used to measure sound levels. It is represented by dB and is widely used in signals, communication, and electronics. The term decibel can be used to express an absolute value or a change in value (+1 dB or -1 dB). Decibels...

In this video, a teacher conducts a fun experiment with her students to test their loudness levels. They compare their screams to different decibel readings, including the volume of a jet engine. Through this interactive activity, the...

When you hear the roar of traffic, the bark of a dog, or your teacher's voice, you are experiencing sound. This program uses colorful animations to explore important characteristics of sound, including intensity, loudness, pitch, and...

Helping children relate to the topics they study is what the Real World Science series of videos does best. Real World Science: Sound helps students learn the principles of sound, the range of human hearing and significant terms, as they...

What safety features do electric cars have? Are electric cars environmentally friendly? What is compressed air used for at manufacturing plants? How to get a job designing cars.<br/>
Innovating Cars, Part 3

Digital Recording VU meters

VU Meter

VU meter of DAT recorder

CLEAN : FILE: N. Korea's Kim puts troops on war footing

Vu meter with electronic tube

CLEAN : N. Korea threatens South with strong response to broadcasts