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1.2 sound

Authored by Anusha Rahul

Computers

11th Grade

Used 3+ times

1.2 sound
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is sampling?

The process that converts analogue sound into discrete digital data.

The process to take samples of a sound signal to check its quality.

The process that converts digital data into analogue sound.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is analogue sound?

A sound signal after sampling.

A continuously varying signal.

A sound signal with different pitches.

A signal that can take only certain values.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are sound signals sampled?

To play sound via speakers or headphones.

To analyse sound quality

To compress sound files

To store in a computer

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is TRUE about sampling?

The shape of digital sound is quite similar to analogue sound but the curves are not smooth.

Digital sound is of higher quality when compared to analogue sound.

A listener feels that a digital sound is very different from its analogue signal.

All of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following affects the digital sound quality?

Sampling rate

Bit depth

Bit rate

All of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is TRUE about sampling rate?

Sampling rate is the number of samples taken in a minute.

The higher the sampling rate, the more the sound quality.

The lesser the sampling rate, the more similar is the discrete form to the analogue form.

All of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit for sampling rate?

Samples/ second

Hertz (Hz)

kilohertz (kHz)

All of the above

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