aud203: final study guide
DESCRIPTION
AUD203: FINAL STUDY GUIDE. HEADPHONES. Remember Various Types How does noise-cancelling work. Types of EQ. Know the differences between Graphic and Parametric Understand Fixed vs. Variable. Types of Compression. Know what a Limiter and Brick-wall limiter is Understand Attack and Release - PowerPoint PPT PresentationTRANSCRIPT
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AUD203: FINAL STUDY GUIDE
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HEADPHONES
Remember Various Types
How does noise-cancelling work
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Types of EQKnow the differences between Graphic and Parametric
Understand Fixed vs. Variable
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Types of CompressionKnow what a Limiter and Brick-wall limiter is
Understand Attack and Release
What is a noise gate?
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Reverb ParametersDirect vs. Reflected Sound
Reverb Time
Reverb Types (analog & digital)
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Dynamic Range16-bit CD: 96dB
24-bit: 144dB
Know HEADROOM
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S/N RATIOSignal to Noise Ratio
Same concept as Dynamic Range
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Pink & White NoiseWHITE is ‘Flat’ or ‘Linear’ across the spectrum
PINK has a 3dB drop per octave
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DITHERIntentionally adds NOISE
Increases perceived dynamic range
Deals with the LSB (least significant bit)
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DISTORTIONCLIPPING: Digital Distortion (hard clipping)
Analog Distortion: Warmth or overdrive
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NOISELow-Level hiss and hum
Generated by equipment or interference
Different from Distortion
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NORMALISINGIncreasing the sound to the maximum level
All sound levels stay the same in relation to one another
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PSYCHOACOSTICSSUBJECTIVE HUMAN HEARING
Beat Frequencies: Two very close pitches
MASKING: sounds hiding one another
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LAST WEEK’S PROJECTTypes of Microphones
Polar Patterns and stereo setup
Any issues encountered
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LISTENING SECTIONPinpointing Frequencies
Frequency Cutoff
Reverb Types
Gain Levels
MP3 Compression
Song Analysis