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AUD203: FINAL STUDY GUIDE

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

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AUD203: FINAL STUDY GUIDE

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  1. AUD203: FINAL STUDY GUIDE

  2. HEADPHONES • Remember Various Types • How does noise-cancelling work

  3. Types of EQ • Know the differences between Graphic and Parametric • Understand Fixed vs. Variable

  4. Types of Compression • Know what a Limiter and Brick-wall limiter is • Understand Attack and Release • What is a noise gate?

  5. Reverb Parameters • Direct vs. Reflected Sound • Reverb Time • Reverb Types (analog & digital)

  6. Dynamic Range • 16-bit CD: 96dB • 24-bit: 144dB • Know HEADROOM

  7. S/N RATIO • Signal to Noise Ratio • Same concept as Dynamic Range

  8. Pink & White Noise • WHITE is ‘Flat’ or ‘Linear’ across the spectrum • PINK has a 3dB drop per octave

  9. DITHER • Intentionally adds NOISE • Increases perceived dynamic range • Deals with the LSB (least significant bit)

  10. DISTORTION • CLIPPING: Digital Distortion (hard clipping) • Analog Distortion: Warmth or overdrive

  11. NOISE • Low-Level hiss and hum • Generated by equipment or interference • Different from Distortion

  12. NORMALISING • Increasing the sound to the maximum level • All sound levels stay the same in relation to one another

  13. PSYCHOACOSTICS • SUBJECTIVE HUMAN HEARING • Beat Frequencies: Two very close pitches • MASKING: sounds hiding one another

  14. LAST WEEK’S PROJECT • Types of Microphones • Polar Patterns and stereo setup • Any issues encountered

  15. LISTENING SECTION • Pinpointing Frequencies • Frequency Cutoff • Reverb Types • Gain Levels • MP3 Compression • Song Analysis

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