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Sound quiz j277

Authored by Martin Highmore

Computers

9th Grade

Used 3+ times

Sound quiz j277
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process called that converts analogue sound waves into digital format?

Binary Encoding

Digital-to-Analogue Conversion

Analogue-to-Digital Conversion

Sound Wave Transformation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What two main factors influence the quality and file size of a digital sound file?

Compression and Expansion

Volume and Pitch

Sample Rate and Bit Depth

Frequency and Amplitude

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the sample rate of a digital sound file measure?

The number of samples taken per second

The total duration of the sound file

The number of bits per sample

The maximum amplitude of the sound wave

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sample rate of a music CD?

22,050 Hz

44,100 Hz

96,000 Hz

48,000 Hz

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a higher sample rate indicate in a digital sound file?

Higher quality and smaller file size

Lower quality and larger file size

Higher quality and larger file size

Lower quality and smaller file size

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does increasing the bit depth affect a digital sound file?

Decreases the file size

Reduces the number of samples needed

Increases the playback speed

Improves the sound quality

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What term describes the number of bits used for each sample in a digital sound file?

Bit Depth

Bit Rate

Sample Frequency

Bandwidth

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