AET 2410 Final Exam Questions and Answers Fully Solved
PPM - Answers Displays peaks and holds for a period of time
Bad for continuous sounds
Good for avoiding overload
RMS - Answers Give good impression of perceived loudness
Emulate VU meters in digital systems
VU Meter - Answers Similar to the human ear
Good for continuous sounds
Doesn't register peaks or transients
Spectral Processors - Answers Change timbre of the sound
Changes the frequency response
Dynamic Processors - Answers Change the dynamic range
Change the acoustic envelope
Temporal Processors - Answers Change the acoustic environment
Change the time relationship of signals
Purpose of Audio Metering - Answers Display measured level in an objective manner
Show specific audio characteristics
Fundamental - Answers Lowest possible frequency in a musical tone
Overtones - Answers All frequencies present that aren't the fundamental
Harmonics - Answers Whole number multiples only
Timbre - Answers Relative intensities key to an instruments sound
Reference level of analog equipment - Answers +4 dBu
Loudest signal possible in digital systems - Answers 0 dBFS
Alex case says the volume control is ___./why? - Answers Perceptual EQ/spectral changes appear to be
affected by volume.
X axis, Y axis, and Color of Spectrogram - Answers X: Time
, Y: Frequency
Color Intensity: Amplitude
Range of an acoustic piano represents the fundamentals of most instruments. What is the range of
those fundamentals? - Answers 30-4k
Noise - Answers Anything NOT part of the original signal
Hiss, Rumble, Wind, etc.
Distorition - Answers Particular artifact correlated with signal, usually is the stuff added to the original
signal that wasn't there before.
High level of signal peaks
The human auditory system is what? - Answers A wave analyzer
Pure Tones - Answers Effective for equipment testing
Pink noise use - Answers Effective for acoustical testing, especially in live sound
Three steps for using an EQ - Answers Boost, Search, Set
Soft Clipping - Answers Gentle change at max output
Intermodulation Distortion - Answers energy at frequencies related to sum & difference components
hard clipping - Answers abrupt changes at max output
asymmetric clipping - Answers even order harmonics
3 uses for spectral processors according to Alex Case - Answers Fix, Fit, Feature
Debuzzer - Answers Fixes 50/60 Hx + harmonics line frequency noise
Declicker - Answers Fixes pops and tics on recordings
Denoiser - Answers Fixes tape hiss
The usual two adjustable settings on filters - Answers Slope and Corner/Turnover Frequency
Pink Noise - Answers Equal energy per octave
White noise - Answers Equal energy over all frequencies
Impulse sounds - Answers tics, pops, clicks, cracks
Continuous/Broadband - Answers Rumble, Hiss, White Noise, Pink Noise
PPM - Answers Displays peaks and holds for a period of time
Bad for continuous sounds
Good for avoiding overload
RMS - Answers Give good impression of perceived loudness
Emulate VU meters in digital systems
VU Meter - Answers Similar to the human ear
Good for continuous sounds
Doesn't register peaks or transients
Spectral Processors - Answers Change timbre of the sound
Changes the frequency response
Dynamic Processors - Answers Change the dynamic range
Change the acoustic envelope
Temporal Processors - Answers Change the acoustic environment
Change the time relationship of signals
Purpose of Audio Metering - Answers Display measured level in an objective manner
Show specific audio characteristics
Fundamental - Answers Lowest possible frequency in a musical tone
Overtones - Answers All frequencies present that aren't the fundamental
Harmonics - Answers Whole number multiples only
Timbre - Answers Relative intensities key to an instruments sound
Reference level of analog equipment - Answers +4 dBu
Loudest signal possible in digital systems - Answers 0 dBFS
Alex case says the volume control is ___./why? - Answers Perceptual EQ/spectral changes appear to be
affected by volume.
X axis, Y axis, and Color of Spectrogram - Answers X: Time
, Y: Frequency
Color Intensity: Amplitude
Range of an acoustic piano represents the fundamentals of most instruments. What is the range of
those fundamentals? - Answers 30-4k
Noise - Answers Anything NOT part of the original signal
Hiss, Rumble, Wind, etc.
Distorition - Answers Particular artifact correlated with signal, usually is the stuff added to the original
signal that wasn't there before.
High level of signal peaks
The human auditory system is what? - Answers A wave analyzer
Pure Tones - Answers Effective for equipment testing
Pink noise use - Answers Effective for acoustical testing, especially in live sound
Three steps for using an EQ - Answers Boost, Search, Set
Soft Clipping - Answers Gentle change at max output
Intermodulation Distortion - Answers energy at frequencies related to sum & difference components
hard clipping - Answers abrupt changes at max output
asymmetric clipping - Answers even order harmonics
3 uses for spectral processors according to Alex Case - Answers Fix, Fit, Feature
Debuzzer - Answers Fixes 50/60 Hx + harmonics line frequency noise
Declicker - Answers Fixes pops and tics on recordings
Denoiser - Answers Fixes tape hiss
The usual two adjustable settings on filters - Answers Slope and Corner/Turnover Frequency
Pink Noise - Answers Equal energy per octave
White noise - Answers Equal energy over all frequencies
Impulse sounds - Answers tics, pops, clicks, cracks
Continuous/Broadband - Answers Rumble, Hiss, White Noise, Pink Noise
