Audio Engineering I Exam 1 Actual Test with Answers – Flashcards
80 test answers
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Put the steps of the recording process in order: What is the second step:
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Set-up / Recording / Tracking
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Put the steps of the recording process in order: What is the third step:
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Overdubbing
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Put the steps of the recording process in order: What is the fourth step:
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Mixdown / Editing
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Put the steps of the recording process in order: What is the fifth step:
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Song Sequencing
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Put the steps of the recording process in order: What is the sixth step:
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Mastering
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Put the steps of the recording process in order: What is the last step:
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Product Manufacturing / Sales
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What does the term "Transducer" actually mean? Say it in such a way that it can apply to any circumstance: (p 37) :
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Converting one form of energy into another form of energy.
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Match transducers with what each does: Microphone
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Sound (SPL) into electricity
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Match transducers with what each does: Ear
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Sound into nerve impulses
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Match transducers with what each does: D/A Converter
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Bits/Bytes into electricity
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Match transducers with what each does: A/D Converter-
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Electricity into bits/Bytes
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Match transducers with what each does: Speaker-
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Electricity into sound
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The two states of sound are: (p 43)-
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Compression & Rarefaction
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Amplitude - defined as:
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Distance away from the center line, loudness
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Frequency - Defined as:
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How often a wave form repeats, cycles
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Velocity - Defined as:
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The speed at which the sound travels
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Wavelength - Defined as:
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Distance of compression start to rarefaction end
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Phase - Defined as:
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Interaction between two or more waveforms simultaneously
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Harmonic Content - Defined as:
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Additional frequencies that give a sound it's character
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Envelope - Defined as:
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Attack, decay, sustain, release of a sound
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We measure sound using what kind of scale (curve)? (p58)
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Logarithmic
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What are the units of measurement we use when judging loudness?
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Decibel
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Frequency range of human hearing is:
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20Hz to 20kHz (20,000Hz)
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When you move twice as far away from an object the level of the signal drops by _____dB. (p60)-
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6 dB
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Define the term Octave:
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Doubling or halving the frequency
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0dB SPL represents what benchmark on the SPL scale?
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Threshold of Hearing
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118dB SPL represents what benchmark on the SPL scale?
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Threshold of Feeling
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140dB SPL represents what benchmark on the SPL scale?
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Threshold of Pain
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Types of Interaction effects on sound are (p65)
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Beats, Combination tones, Phasing, Frequency overload, Amplitude Change, Frequency Conflicts,Masking
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The number of cycles a vibration completes in a second is known as its: _______ or _________
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Frequency or Pitch
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The frequency of a sound wave is perceived as:
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Pitch
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Hertz is the term used to designate:
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Cycles per second
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Humans are most sensitive to frequencies in which one of the following ranges?
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High Mids
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The ratio of a sound's quietness to loudness is called:
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Dynamic Range
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The equal loudness curves demonstrate the human ear's relative insensitivity to: (64)
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Bass and High frequencies
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Covering a weaker sound with a stronger sound when each is a different frequency and both vibrate simultaneously is called: (p 66)
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Masking
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If one sine wave starts its cycle when another identical sine wave is half way through its cycle, there is a degree phase difference between the two waves, which, if summed, cancels the sound.
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180 degrees
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Another word for a sound's "tone quality" or "color" is: (p 56)
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Timbre
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According to the book, a live rock bands performance dB level might go as high as: (p 60)
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100 dB to 130 dB
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The distance it takes a sound wave to complete a full cycle would be its:
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Wavelength
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Two waves that begin their excursions at the same time are: (p 48)
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In Phase
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Two waves that begin their excursions at different times are: (p 48)
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Out of Phase
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When two identical waves begin together at 0 degrees and end together at 360 degrees, they would: (p 50)
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Increase Amplitude
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If you have a wave that has completed 260 complete cycles in one second, what would its frequency be?
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260 Hz
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If you have a sound that is 50 cps, what would it be in Hz?
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50Hz
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The speed a sound wave travels through a medium is it's:
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Velocity
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_________ is a warning sign that ears may have or soon will suffer _______________ with continued exposure to loud sound pressure level.
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Tinnitus (ringing in the ear), permanent threshold shift
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A sine wave has no: (p 52)
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Harmonics
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A five-hertz sound wave would contain five complete cycles in:
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1 second
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Attack, internal dynamics and release are: (p 57)
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Sound envelopes
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The threshold of hearing is ____ and the threshold of pain are ____: (p 63)
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0 dB to 140 dB
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dB is a unit of measurement used to express the ______ of two qualities for a reference. (p59)
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Ratio
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Constructive interference would ______ amplitude and destructive interference would ______ amplitude. (p 49-50)
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Increase, Decrease
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The natural aging process produces a loss of hearing in higher frequencies first. True or false
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True
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The organ of Corti is an Italian instrument that produces sine waves? True or false
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False
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Upper mid-range is:
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2500 Hz to 5120 Hz
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The low bass range is:
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20Hz to 60Hz
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The range can give brilliance and sparkle to a mix.
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Highs
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In general a human can stand stronger dB SPL at upper mid-range frequencies than low bass frequencies.
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False
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When listening to music at quiet volume levels, bass and treble frequencies are generally relatively louder than when listening at loud volume levels.
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False
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What is " A." a measurement of? Use this link- http://quizstar.4teachers.org//uploads/quiz/mediarep315791/SoundWave_Relationships.jpg
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Frequency
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What is " B." is measuring what? Use this link- http://quizstar.4teachers.org//uploads/quiz/mediarep315791/SoundWave_Relationships.jpg
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Wavelength
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What is "C." measuring? Use this link- http://quizstar.4teachers.org//uploads/quiz/mediarep315791/SoundWave_Relationships.jpg
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Amplitude
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What is the relationship between waveform D. and the waveform above it? Use this link- http://quizstar.4teachers.org//uploads/quiz/mediarep315791/SoundWave_Relationships.jpg
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180º out of phase
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What is the relationship between waveform e. and the waveform above it? Use this link- http://quizstar.4teachers.org//uploads/quiz/mediarep315791/SoundWave_Relationships.jpg
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In Phase ( 0º out of phase)
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The top waveform (A.) has how many harmonics? Use this link- http://quizstar.4teachers.org//uploads/quiz/mediarep315791/SoundWave_Relationships.jpg
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0 (zero)
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What is the function of a Fader, what does it do?
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Controls volume level of an instrument on a particular track.
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What is the function of Panning, what does it do?
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How much gain goes to which output
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To Audio Engineers, what is a Track?
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An instrument or sound on a channel.
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What SPL stand for?
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Sound Pressure Level
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What dBFS mean in practical terms?
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The distance in dB to distortion.
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If I press the mute button on a channel, what happens?
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The audio on that track is not heard.
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If I press the Solo button on a channel, what happens?
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Only the audio on that channel is heard.
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High & Low _____
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Frequency & Pitch
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Loud and Soft ____
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Volume & Amplitude
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What does the zero on a fader mean?
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Zero dB of Change, Unity Gain.
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