Sound Representation

Sound Representation

7th - 12th Grade

10 Qs

quiz-placeholder

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Sound Representation

Sound Representation

Assessment

Quiz

Computers

7th - 12th Grade

Practice Problem

Hard

Created by

A Williams

Used 132+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is sound?

A ball

A wave

A collection of particles moving in circles

A number of electrons moving in spirals

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the amplitude of a sound wave?

How loud it is

How fast it travels

How much it changes

How easy it is to record

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is sampling?

The number of bits used to represent the sound

Turning a microphone on and off to only record sound at certain times

Taking measurements of a wave at regular intervals

Combining two sound waves into one

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is sample rate?

The number of bits used for a sample

How many times a sound wave goes up and down

How fast a sound wave moves

How many samples you take each second

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is sample rate measured in?

bits

Hertz

Kbps

Decibels

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is sample resolution?

Deciding on the amplitude of the wave

The number of bits per sample

The pitch of the sound

The number of samples you take every second

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a microphone do?

Converts analogue sound waves into electrical signals

Converts electrical signals into sound

Makes a sound louder

Records a sound wave as a binary value

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