M1S1

Question 1

Is a longitudinal, mechanical wave. It is caused by back and forth vibration of the particles of the medium through which the sound wave is moving.

Answer 1

Sound

Question 2

A science term for vibration per second is?

Answer 2

Hertz

Question 3

The Hertz/Hz term is named after?

Answer 3

Heinrich Rudolf Hertz

Question 4

Has a regular vibration rate (periodic vibration/Harmonic sounds)

Answer 4

Music Sounds

Question 5

Has irregular vibration rates (aperiodic/inharmonic sounds)

Answer 5

Human speech

Question 6

Sounds that human ears can’t detect.

Answer 6

Inaudible sounds

Question 7

The human ear can hear frequencies between? How many Hz?

Answer 7

20Hz to 20kHz

Question 8

Sounds that are below 20Hz Frequency are called?

Answer 8

infrasonic

Question 9

Sounds that are above 20KHz frequency are called

Answer 9

Ultrasonic

Question 10

Attributes of sound perception (6)

Answer 10

1. Pitch
2. Loudness
3. Timbre
4. Duration
5. Articulation
6. Diffusion

Question 11

Attributes of sound perception:

Perception of high and low sounds

Answer 11

Pitch

Question 12

Attributes of sound perception:

Also know as (amplitude). The intensity of a sounds

Answer 12

Loudness

Question 13

Attributes of sound perception:

(Color or quality of sound) the perceive quality of any sounds multiple frequencies changing through time. When you are hearing a singing tone, you’re hearing multiple different pitches that the brain interprets as one.

Answer 13

Timbre

Question 14

Attributes of sound perception:

(Length) not fixed, but something we perceive; our senses of “slowness” vs “fastness” tends to be relative to our heartbeat.

Answer 14

Duration

Question 15

Attributes of sound perception:

“Envelope” of a sound; first few millisecond of a sound, its attack, changes with different instrument.

Answer 15

Articulation

Question 16

Attributes of sound perception:

Sound spatialization; our brain interpret where sounds is coming from; associated with reverberation time; perception of how near or far away a sound source is.

Answer 16

Diffusion

Question 17

Refers to the waves that travels through the air and the are received by the ear, human or otherwise.

Answer 17

Sounds

Question 18

Refers to sounds that has been, in some way or another, be it digital or analog, processed electronically

Answer 18

Audio

Question 19

Are cyclical; that is; they proceed through regular cycles or repetition.

Answer 19

Audio waveforms

Question 20

Is defined as how far along its cycle a given waveform is.

Answer 20

Phase

Question 21

The measurement of phase is given in degrees, with “_______” being one complete cycle.

Answer 21

360 degrees

Question 22

One concern with phase becomes apparent when mixing together two waveforms. If these waveforms are “_____________”, or delayed with respect to one another, there will be some cancellation

Answer 22

Out of phase

Question 23

Is the rate at which the samples are captured or played back, measured in Hz, or sample per second.

Answer 23

Sample Rate

Question 24

An Audio CD has a sample rate of?

Answer 24

44,100Hz, often written as 44kHz

Question 25

The sampling rate should be at least “______________” frequency you want to represent.

Answer 25

Twice the highest

Question 26

Sample Rates (6)

Answer 26

1. 33kHz 2. 44.1KHz 3. 48kHz 4. 88.2KHz 5. 96KHz 6. 176kHz and 192KHz

Question 27

Sample Rate: Typically used in digital broadcast and satellite transmission

Answer 27

32KHz

Question 28

Sample Rate: The sample rate for CDs and most consumer digital audio

Answer 28

44.1KHz

Question 29

Sample Rate: The most common sample rate used in broadcast videos.

Answer 29

48KHz

Question 30

Sample Rate: Some engineers claim this sounds better than 44.1KHz but is rarely used.

Answer 30

88.2KHz

Question 31

Sample Rate: Sometimes used in DVDs and other high-end audio recording processes.

Answer 31

96KHz

Question 32

Sample Rate: These ultra-High sample rates generate much larger files and stress your computer more yet offer no significant audio advantage.

Answer 32

176kHz and 192kHz

Question 33

Refers to the number of bit you have to capture audio. Series of levels, that audio energy can be sliced at any given moment in time.

Answer 33

Bit Depth

Question 34

What is DAW?

Answer 34

Digital Audio Workstation

Question 35

Is a computer program that is exclusively designed for recording, editing and playing digital audio files.

Answer 35

Digital Audio Workstation

Question 36

Allows you to edit and mix multiple audio sources simultaneously on a music timing grid and to visually see hoe they line up over time.

Answer 36

Digital Audio Workstation

Question 37

Components of DAW (5)

Answer 37

1. Computer 2. Digital Audio Software 3. Digital Audio Interface 4. Plug-ins 5. DSP Acceleration

Question 38

Components of DAW: Heart of the DAW system. It will determine how many tracks you can record and play at once, how many plug-ins you can apply in real time, how long edits will take and more.

Answer 38

Computer

Question 39

Components of DAW: The Software you choose is the brain. Finding an application that works in the way you prefer to work.

Answer 39

Digital Audio Software

Question 40

Components of DAW: Getting sound in and sound out of the computer and software. Will provide two inputs and outputs, in analog an/or digital formats.

Answer 40

Digital audio interface

Question 41

Components of DAW: Are small “helper” software program that work inside your main recording software and extend its capability.

Answer 41

Plug-ins

Question 42

Components of DAW: If you find yourself running out of computer power; allows to run more plug-ins without overloading the computer

Answer 42

DSP Acceleration

Question 43

Audio Interface connectors (5)

Answer 43

1. XLR Jack 2. 1/4 Inch phone jack 3. Combo jack 4. RCA Phono Jack 5. 1/8inch minijack

Question 44

Audio Interface connectors: This is capable with microphones and other balanced-line signals. Balanced lines use 3 conductors, which can be designed to minimize hum and noise pickup when carrying low-level signals.

Answer 44

XLR jack

Question 45

Audio Interface connectors: This is common to musical instrument and much pro audio gear. The jack can handle balance or unbalanced lines; balance line inputs can handle unbalance line as well

Answer 45

1/4 inch phone jack

Question 46

Audio Interface connectors: A fairly recent introduction, a “____________” can accept either an XLR or 1/4inch phone plug

Answer 46

Combo jack

Question 47

Audio Interface connectors: A mainstay of consumer gear, “___________” are also found in some DJ audio interfaces and video equipment.

Answer 47

RCA phono jack

Question 48

Audio Interface connectors: This is common for on-board computer audio, but rare for external interfaces expect when included to interface with MP3 players and similar consumer devices

Answer 48

1/8inch minijack

Question 49

Means that once a file has been compressed, it can’t be returned to its original uncompressed form from the content of the compressed file.

Answer 49

Lossy

Question 50

Means that an uncompressed version of data can be generated from the compressed form. This is a two way, reversible transformation.

Answer 50

Lossless

Question 51

Is a special piece of software that’s used to translate uncompressed data into a compressed into a compressed form for storage, and to decompress that compressed form for access or playback.

Answer 51

Codec

Question 52

Describe the speed that sound data is played back.

Answer 52

Bit Rate

Question 53

Is how many computer bits are used for each sample in a waveform. (How precisely a sound is represented in digital audio)

Answer 53

Bit depth