Noise Canceling Headphones Explained in One Minute

Noise Canceling Headphones Explained in One Minute

Assessment

Interactive Video

Physics, Science

11th Grade - University

Hard

Created by

Quizizz Content

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The video tutorial explains how active noise-canceling headphones work by using microphones to capture ambient sound, inverting the sound waves, and broadcasting them inside the headphones to achieve destructive interference. This process effectively cancels out unwanted noise. The tutorial also demonstrates the inversion of audio waveforms using a video editing program, highlighting the practical application of this technology.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in understanding how active noise-canceling headphones work?

Using a video editing program

Listening to the ambient sound

Inverting the sound waves

Broadcasting sound waves

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do active noise-canceling headphones reduce unwanted noise?

By amplifying ambient sound

By using microphones to record and invert sound waves

By blocking all external sound

By increasing the volume of music

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used when two sound waves cancel each other out?

Constructive interference

Destructive interference

Sound amplification

Wave distortion

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of inverting the audio waveform in the video editing demonstration?

To create a new sound effect

To demonstrate noise cancellation

To enhance the sound quality

To increase the volume

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of noise-canceling, what does the term 'inverted ambient noise' refer to?

Noise that is recorded

Noise that is ignored

Noise that is reversed in phase

Noise that is amplified