Electroacoustics MCQs
Electroacoustics MCQs
Discover an extensive repository of Electroacoustics MCQs designed to reinforce your understanding of the subject. We offers valuable Electroacoustics MCQ resource to assess your knowledge
1: Electroacoustics deals with what transformation of energy?
A. Transformation of acoustic energy into optical energy
B. Transformation of acoustic energy into heat energy
C. Transformation of acoustic energy into mechanical energy
D. Transformation of acoustic energy into electric energy or vice versa
2: What is Sonic Art defined as?
A. Generally designates the art form in which the sound is its basic unit
B. Music composition and production
C. Graphic design that incorporates music
D. A genre of rock music
E. Music composed for the purpose of entertaining people
3: What is the purpose of electroacoustic music?
A. To create aural illusions
B. To evoke emotions in listeners
C. To create new sounds from existing acoustic sounds
D. To create new sonic experiences
E. To manipulate the timbres of acoustic sounds
4: What is an example of signal processing used in electroacoustic music?
A. Reverb or harmonizing
B. Pitch correction
C. Noise reduction
D. Filtering
5: What technological process is used in electroacoustic music?
A. Audio signal processing
B. Acoustic resonance
C. Sampling
D. Synthesis
E. Audio synthesis
6: What are electronic representations of sound waves called?
A. Audio signals
B. Waveforms
C. MIDI signals
D. Pulse trains
7: What type of music composition utilizes recorded sounds as raw material?
A. Jazz
B. Musique concrète
C. Rock music
D. Chamber music
8: What is used in the creation of electronic music?
A. Computer programs
B. Digital audio workstations
C. Electronic musical instruments
D. Music notation
E. Computers
9: What type of circuit allows current to travel along an unintended path?
A. Resistor
B. Short circuit
C. Reverse battery
D. Open circuit
10: What is the definition of voltage?
A. The magnitude of a direct current
B. A measure of the electrical potential difference between two points
C. A measure of the amount of energy in a circuit
D. The work needed per unit of charge to move a test charge between the two points
E. The potential difference between the two points
11: What type of devices alter the sound of audio sources?
A. An effects unit or effects pedal
B. Amplifier
C. Headphones
D. Loudspeakers
E. Audio cable
12: When was the release of the Clavivox?
A. 1953
B. 1952
C. 1954
D. 1955
13: What type of interference is caused by a comb filter?
A. Selective and nonelective
B. Constructive and destructive
C. Radio frequency interference
D. Electrical interference
14: What term describes the distance at which the level of the direct sound is equal to the level of the diffuse sound?
A. FARADAY RADIUS
B. MEDIAN DISTANCE
C. MAXIMUM DISTANCE
D. CRITICAL DISTANCE
15: What is the term used to describe the altering of a signal's waveform?
A. INVERTOR
B. AMPLIFICATION
C. DISTORTION
D. MODULATION
E. AMPLIFIER
16: What is the name of the point on the end of the ear canal that corresponds to the eardrum position?
A. EAR CANAL END
B. EAR TUBE RELAY POINT
C. DRUM REFERENCE POINT
D. EAR CORD RELAY POINT
17: What is the point outside the ear canal used as a reference point for acoustic and geometric references?
A. EAR REFERENCE POINT
B. EAR EXTERNAL AUDIAL CANAL
C. EAR Lobe
D. EAR WINGS
18: What is the name of the simplest form of non-linear distortion?
A. PULSATIONAL DISTORTION
B. RING MODULATION
C. IMPERFECTIVE ANALOGUE RECEPTION
D. PHASE MODULATION
E. HARMONIC DISTORTION
19: What is an example of time- and frequency-dependent characteristics of the transfer function?
A. A filter with a passband and a stopband
B. A network
C. A filter with a passband and no stopband
D. An ideal equalizer
E. A filter
20: What is the name of the point on the axis of the mouth simulator 25 mm in front of the external lip plane?
A. LIP REFERENCE POINT
B. MOUTH ZONE
C. MOUTH REFERENCE POINT
D. MOUTH EXTERNAL LIP PLANAR
21: What is NB usually used to refer to?
A. An abbreviation for multiple choice
B. A computer
C. A type of arthritis medication
D. A device or transmission channel
E. A method of connecting two points
22: What changes in the frequency content of the input signal results in the energy being transferred from one frequency at the input to more than one frequency at the output?
A. Gain
B. Phase modulation
C. Non-linear distortion
D. Amplitude modulation
23: What type of distortion can be found in speaker systems?
A. Harmonic
B. Intermodulation
C. Digital
D. Mic
E. Frequency
24: What is another word for SWB?
A. WIDEBAND
B. SUPER WIDEBAND
C. BROADBAND
D. WIRELESS
E. LAN
25: What is the nominal frequency of an SWB?
A. 50 – 16,000 Hz
B. 500 Hz
C. 100 – 10,000 Hz
D. 1 kHz
26: What is the ratio of the output to the input of a transducer or system?
A. Efficiency
B. Sensitivity
C. Margin of safety
D. Reliability
E. Output
27: What family of techniques provide approximate anechoic measurements?
A. CABLE ANALYSIS
B. ACOUSTIC TRANSMITTERS
C. SIMULATED FREE FIELD
D. WAVE POINT ANNEALING
28: What is the measurement of distortion as the ratio of the power sum of the harmonics to the power sum of the harmonics and the fundamental?
A. POWER HARMONIC DISTORTION
B. TOTAL HARMONIC DISTORTION
C. PERIOD HARMONIC DISTORTION
D. 60dB
E. 100dB
29: What is a device for converting one form of energy to another?
A. TRANSDUCER
B. GENERATOR
C. CONVERTOR
D. SWITCH
E. CONVERTER
30: What does the term "transducer" mean in electroacoustics?
A. A device that converts sound waves into electrical signals
B. A device for converting mechanical energy into sound
C. Converting electricity to sound or sound to electricity
D. A microphone that converts sound waves into an electrical signal
E. A microphone
31: What is the frequency range of WIDEBAND?
A. 200 – 10,000 Hz
B. 1,000 – 20,000 Hz
C. 20 – 200 Hz
D. 100 – 8,000 Hz
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