Audio

Question 1

What does this symbol represent? ø

Answer 1

Phase

Question 2

What does this symbol represent? ƒ

Answer 2

Frequency

Question 3

What ‘Sound Wave Measurement’ is measured in Decibels?

Answer 3

Amplitude

Question 4

Do we perceive Loudness or Volume?

Answer 4

Loudness

Question 5

Whole number multiples of a fundamental are what when talking about music?

Answer 5

Harmonics

Question 6

What term is used when talking about the difference between the loudest and quietest sound in a piece of audio?

Answer 6

Dynamic Range

Question 7

What in a sound is varied with different values of overtone/harmonics/frequencies and their relative intensities?

Answer 7

Timbre

Question 8

When Total Harmonic Distortion (THD) of an amplifier is below 0.1% THD, it is considered to be what?

Answer 8

High Fidelity

Question 9

Mach 1 is also known as what?

Answer 9

The Speed of Sound

Question 10

What is a LPF?

Answer 10

Low Pass Filter

Question 11

What is a HPF?

Answer 11

High Pass Filter

Question 12

What is meant by EQ?

Answer 12

Equalizer

Question 13

__________ is the bending of waves when they enter a medium where their speed is different

Answer 13

Refraction

Question 14

__________ involves a change in direction of waves as they pass through an opening or around a barrier in their path

Answer 14

Diffraction

Question 15

__________ of sound waves off of surfaces can lead to one of two phenomena - an echo or a reverberation

Answer 15

Reflection

Question 16

When 2 equal Sine Waves superimpose on eachother, what is this interference known as?

Answer 16

Constructive

Question 17

When one Sine Wave superimposes on another equal Sine Wave that has a phase offset of 180º, what is this interference known as?

Answer 17

Deconstructive

Question 18

What is the most audible frequency to human hearing?

Answer 18

1-5kHz

Question 19

What has a longer wavelength? Low frequencies or High Frequencies?

Answer 19

Low Frequencies

Question 20

343 metres per second (m/s) is commonly given to the speed of sound in what medium?

Answer 20

Air

Question 21

Doubling the distance from a sound source halves what?

Answer 21

Perceived Volume

Question 22

DAW stands for what?

Answer 22

Digital Audio Workstation

Question 23

The standard measurement of loudness, as used on Loudness Meters corresponding to the ITU-TR BS1770 (Industry Standard) specification

Answer 23

LUFS

Question 24

Musical Instrument Digital Interface is known by what acronym?

Answer 24

MIDI

Question 25

A single channel of audio

Answer 25

Mono

Question 26

When a frequency or pitch is transposed up by one ______, its frequency is doubled

Answer 26

Octave

Question 27

a component of a complex sound which has a higher frequency than the fundamental frequency, but which is not necessarily related by a simple integer multiple

Answer 27

Overtone

Question 28

The maximum instantaneous level of a signal is also known as what?

Answer 28

Peak

Question 29

A way of describing the relative levels within a piece of music

Answer 29

Dynamics