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Audio Engineer > Intro to Audio > Flashcards

Intro to Audio Flashcards

1
Q

What is Sound?

A
  • A periodic disturbance

- Caused by vibrations

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2
Q

Define Periodic

A

Something that happens repetitively overtime

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3
Q

Define Vibrations

A

A four cycle of forward and backward motion

The motion forces an acoustic wave. This wave will transmit through an elastic medium and the interaction of those disturbances with the environment

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4
Q

Compression

A

The OUTWARD motion of a vibrating object

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5
Q

Rarefaction

A

The INWARD motion of a vibrating object

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6
Q

Sound is a force: (3 TYPES)

A

Physical , Perceptual, Emotional

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7
Q

Sound provides information: (2 TYPES)

A

Cognitive Information and Affective Information

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8
Q

Cognitive Information

A

Deals with logic, memory, reasoning

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9
Q

Affective Information

A

Emotional information

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10
Q

Distortion

A
  • Anything unwanted

- Sound can be affectively layered, without DISTORTION

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11
Q

Acoustic Wave

A

Longitudinal Wave

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12
Q

Audio

A

Any representation of sound

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13
Q

Transducers

A

Anything that converts one form of energy into another

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14
Q

Longitudinal Wave

A
  • A type of wave were all energy travels in the same direction
  • Waves travel FORWARD
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15
Q

Electromagnetic Energy

A
  • Transverse Wave

- Two forms of energy cross each other at 90 degrees, perpendicular angle. Wave still travels FORWARD

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16
Q

Electromagnetic Wave

A
  • ELECTRIC FEILD / Left & Right

- MAGNETIC WAVE / Up & Down

17
Q

Analog

A

The same

18
Q

Analog Recording

A

The same as the original recording

19
Q

Dynamic Range

A

Abbreviated DR or DNR, is the ratio between the largest and the smallest possible values of a changeable quantity, such as in signals like sound and light. It is measured as a ratio, or as a base 10 (decibel) or base-2 (doubling a, bite or stops) logarithmic value

20
Q

Frequency

A
  • Repetitively overtime

- Define as the number of complete cycles of COMPRESSION and RAREFACTION per second

21
Q

Heinrich Hertz

A

1 HZ (Full cycle of compressions and rarefaction) in 1 second

Audio Engineer (1 decks)

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