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