01. ACOUSTICS

Question 1

Branch of Physics concerned with sound deals with the production, control, transmission, reception, and effects of sound.

Answer 1

ACOUSTICS

Question 2

What are the 3 parts (or elements) of Acoustics?

Answer 2

1. SOUND SOURCE
2. TRANSMISSION PATH
3. RECEIVER

Question 3

What are the 4 types of Acoustics?

Answer 3

1. PHYSYCO ACOUSTICS
2. ENVIRONMENTAL ACOUSTICS
3. ELECTRO ACOUSTICS
4. SONICS

Question 4

It may be defined as the technology of designing spaces, structures, and mechanical systems to meet hearing needs.

Answer 4

ARCHITECTURAL ACOUSTICS/ROOM ACOUSTICS

Question 5

It is a physical wave or a mechanical vibration, or simply a series of pressure variations in an elastic medium.

Answer 5

SOUND

Question 6

It is generally thought of as the ‘highness’ or ‘lowness’ of a sound

Answer 6

PITCH

Question 7

The number of wave cycles per second that measures sound fluctuations of waves.

Answer 7

FREQUENCY

Question 8

The distinctive quality, pitch or condition of a person’s speech produced.

Answer 8

VOICE

Question 9

A cartilaginous structure at the top of the trachea.

Answer 9

VOICE BOX/LARYNX

Question 10

The human ear can recognize the sounds of frequencies in the range of how many Hz?

Answer 10

20 Hz TO 20,000 Hz

Question 11

Sounds of frequencies less than 20 Hz.

Answer 11

INFRASONIC SOUNDS

Question 12

Sounds of frequencies greater than 20,000 Hz.

Answer 12

ULTRA SONIC SOUNDS

Question 13

Height of sounds wave is influenced by both the frequency and timbre of a sound.

Answer 13

AMPLITUDE

Question 14

The unique sound or tone color produced by every instrument and voice, also referred to an instrument’s color.

Answer 14

TONE/COLOUR/TIMBER

Question 15

A unit of acoustics absorption equivalent to the absorption by a square foot of a surface that absorbs all incident sound.

Answer 15

SABIN

Question 16

High fidelity sound-Accuracy of the sound or image of its input electronic signal.

Answer 16

HI-FI SOUND

Question 17

A unit of subjective loudness of pure tones.

Answer 17

PHON

Question 18

The interval between one musical pitch and another with half or double its frequency. It is the most important musical scale and referred to as the basic miracle of music.

Answer 18

OCTAVE

Question 19

A local area network that uses high frequency radio signals to transmit and receive data over distances of a few hundred feet; uses ethernet (wireless) protocol.

Answer 19

WI-FI

Question 20

Travels through gases, liquids, and solids.

Answer 20

SOUND

Question 21

Weakening in force or intensity

Answer 21

ATTENUATION

Question 22

Physics of Sound

Answer 22

ACOUSTICS

Question 23

The three major components of acoustics

Answer 23

1. AMBIENT NOISE
2. REVERBERATION
3. SIGNAL TO NOISE RADIO (SNR)

Question 24

The percentage of productivity when increased if noise is controlled.

Answer 24

26%

Question 25

It is determined by how fast the sound producing objects vibrates.

Answer 25

FREQUENCY

Question 26

Basically your ear's response to the frequency of a sound.

Answer 26

PITCH

Question 27

The loudness of a wave depends on its energy.

Answer 27

LOUDNESS

Question 28

Refers to the quality of a person's voice.

Answer 28

TONE OF SOUND

Question 29

The three quantities of characterized sound

Answer 29

1. PITCH 2. QUALITY 3. LOUDNESS

Question 30

The frequency of a sound as perceived by human ear.

Answer 30

PITCH

Question 31

A physiological sensation that depends mainly on sound pressure but also on the spectrum of the harmonics and the physical duration.

Answer 31

LOUDNESS

Question 32

A wave whose oscillations are perpendicular to the direction of the wave's advance.

Answer 32

TRANSVERSE WAVE

Question 33

The local pressure deviation from the ambient (average or equilibrium) atmospheric pressure, caused by a sound wave.

Answer 33

SOUND PRESSURE OR ACOUSTIC PRESSURE

Question 34

The SI unit of sound pressure.

Answer 34

PASCAL (Pa)

Question 35

Also known as barometric pressure, is the pressure within atmosphere of Earth.

Answer 35

ATMOSTPHERIC PRESSURE

Question 36

Large, open-air structures constructed on the slopes of hills.

Answer 36

GREEK THEATRE BUILDINGS

Question 37

The three main elements of Greek Theatre buildings

Answer 37

1. THE ORCHESTRA 2. THE SKENE 3. THE AUDIENCE

Question 38

Architecture is the coherent set of constructive, operative and decorative concepts of a structure.

Answer 38

ANCIENT ROMAN THEATER

Question 39

Unit of frequency defined as the number of complete cycles per second.

Answer 39

HERTZ (Hz)

Question 40

Used to measure sound level, but it is also widely used in electronics, signals and communication.

Answer 40

DECIBEL (dB)

Question 41

A diagram devised by Harvey Fletcher Hudson and W.A. Munson that measures the loudness and softness of a sound as it is heard by a human ear. Also known as the level of human quantity of sound.

Answer 41

FLETCHER - MUNSON CONTOURS

Question 42

When two separate sources of sound are perceived simultaneously, the perception of each is made more difficult by the presence of the other.

Answer 42

MASKING

Question 43

The exact mechanism which the binaural aspect of hearing detects direction is note entirely understood.

Answer 43

DIRECTIVITY