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SEC2 Digital Audio and Sound

Authored by Priscilla Madiona

Science

9th Grade

Used 7+ times

SEC2 Digital Audio and Sound
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between analog and digital audio?

Analog audio is digital, while digital audio is analog.

Analog audio is higher quality than digital audio.

Analog audio is continuous, while digital audio is discrete.

Analog audio is louder than digital audio.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is bit depth in digital audio?

The number of bytes used to represent each sample of audio data.

The frequency at which audio samples are taken.

The duration of each audio sample.

The number of bits used to represent each sample of audio data.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which audio file format is commonly used for CDs?

MP3

WAV

FLAC

CDDA

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is audio compression and why is it used?

Audio compression is the process of removing all audio data from a file to reduce its size.

Audio compression is the process of reducing the size of audio files without significantly affecting the quality of the sound. It is used to save storage space, reduce bandwidth usage, and improve transmission efficiency.

Audio compression is the process of converting audio files into a different format.

Audio compression is the process of increasing the size of audio files to improve sound quality.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the advantage of digital audio over analog audio?

Faster data transfer, more durable, and less susceptible to interference.

Better sound quality, easier editing and manipulation, and lossless storage and transmission.

Simpler technology, less power consumption, and smaller file sizes.

Lower cost, wider compatibility, and longer lifespan.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between bit depth and audio quality?

Higher bit depth results in lower audio quality.

Higher bit depth allows for higher audio quality.

Bit depth has no impact on audio quality.

Lower bit depth allows for higher audio quality.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which audio file format is commonly used for streaming music online?

WAV

FLAC

AAC

MP3

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