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ECE145P-3 > Acoustics > Flashcards

Acoustics Flashcards

1
Q

“akouein”

A

Acoustics

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2
Q

It is the science of sound, including its production, propagation and effects.

A

Acoustics

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3
Q

It is also defined as the generation, transmission, and reception of energy in the form of vibrational waves in matter.

A

Acoustics

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4
Q

is the study of aerodynamic sound, generated when a fluid flow interacts with a solid surface or with another flow

A

Aeroacoustics

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5
Q

is the study of how sound and buildings interact

A

Architectural Acoustics

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6
Q

is the study of the use of sound by animals such as whales, dolphins and bats.

A

Bioacoustics

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7
Q

is the study of the use of sound in medicine

A

Biomedical Acoustics

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8
Q

is the engineering discipline behind the design of the loudspeaker

A

Loudspeaker Acoustics

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9
Q

is the study of how people react to sound, hearing, perception and localization.

A

Psychological Acoustics

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10
Q

is the study of the mechanical, electrical and biochemical function of hearing in living organisms.

A

Physiological Acoustics

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11
Q

is the study of the detailed interaction of sound with materials and fluids

A

Physical Acoustics

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12
Q

Sub-discipline of Physical Acoustics

A

Sonoluminescence and Thermoacoustics

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13
Q

Emission of light by bubbles in a liquid excited by sound

A

Sonoluminescence

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14
Q

Interaction of sound and heat

A

Thermoacoustics

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15
Q

is the study of salient features of pediatric ultrasound

A

Wolffian Acoustics

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16
Q

is the study of the propagation of sound in oceans.

A

Underwater Acoustics

17
Q

is the study of how sound is generated and measured by loudspeakers, microphones, sonar projectors, hydrophones, ultrasonic transducers, sensors.

A

Transduction

18
Q

is the study of the sound propagation in the human environment, noise health effects and noise mitigation analysis.

A

Environmental Noise

19
Q

the study of how speech is produced, the analysis of speech signals and the properties of speech transmission, storage, recognition and enhancement.

A

Speech Communication

20
Q

is the study of high frequency sound

A

Ultrasonics

21
Q

Father of modern architectural acoustics

A

Wallace Clement Sabine

22
Q

is a physical phenomenon that stimulates the sense of hearing. It is an aural sensation caused by pressure fluctuations.

A

Sound

23
Q

Categories of sound (3)

A

Music, Noise, Speech

24
Q

attribute of auditory sensation in terms of w/c sound may be ordered on a scale primarily related to frequency

A

Pitch

25
Q

Volume or amplitude of sound; Strength of sound

A

Loudness

26
Q

Tone color; Characteristic tonal quality of sound

A

Timbre

27
Q

Speed of sound

A

Tempo

28
Q

Relates to sonic time patterm

A

Rhythm

29
Q

way sound begins

A

Attack

30
Q

how long sound blast

A

Duration

31
Q

how fast sound fades

A

Decay

32
Q

It is equal to the ratio of object speed to speed of sound

A

Mach Number

33
Q

Classes of speech (3)

A
  • plosive sound
  • voiced sound
  • unvoiced sound
34
Q

Results from the complete closure of our vocal tract resulting in air pressure becoming extremely high behind the closure.

A

Plosive Sound

35
Q

Are produced when our vocal chords vibrate as a result of our lungs generating sufficient pressure to open our vocal folds.

A

Voiced Sound

36
Q

Refer to the period of time when our vocal folds are normally open, allowing air to pass from our lungs freely into the rest of our vocal tract

A

Unvoiced Sound

37
Q

Threshold of hearing

A

0 dB

38
Q

Average conversation

A

60 dB

39
Q

Threshold of Pain

A

120 dB

ECE145P-3 (4 decks)

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