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Microphones
 

Microphones

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Microphone presentation

Microphone presentation

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    Microphones Microphones Presentation Transcript

    • Microphones By Jonothan Hall Stefan Rutherford Tom Bellingham
    • Introduction
      • Shure Sm57 £70
      • Sennheiser E604 £110
      • AKG D112 £120
    • Health & Safety
      • Trailing wires
      • Excessive Noise levels
      • Pat tested equipment
    • General Design
      • Rugged construction for all three
      • All handle high SPL’s
      • Designed for specific uses
      • Don’t require external power (+48 etc)
    • How They Work?
      • Sound waves hit microphone diaphragm
      • Diaphragm vibrates
      • Coil attached to diaphragm also vibrates
      • Magnet creates a magnetic field
      • Coil moves back and forth
      • Magnetic field changes, creating alternating current
    • Polar Patterns Omni directional Sub cardioid Super cardioid Hyper cardioid Figure of 8 Shotgun Cardioid
    • Polar Patterns
      • Picks up front
      • Rejects behind
    • Audio Performance
      • Pink Noise played through speaker
      • View microphones frequency response
      • Use Analyser in logic pro
    • Audio Performance
      • Flat Response mic
      • Shure Sm57
    • Audio Performance
      • Flat Response Mic
      • Sennheiser E604
      • AKG D112
    • Specifications
      • Shure Sm57
      • Sennheiser E604
    • Specifications
      • AKG D112
    • Microphone Applications
      • Shure Sm57 designed for: Live sound Guitar amps Snare drums
      • Sennheiser E604 designed for: Live sound Toms
      • AKG D112 designed for: Live sound Bass drum Bass amps
    • Evaluation
      • The equipment was not ideal
      • Could have tested condenser microphones
      • Couldn’t test dynamic range (equipment breakage)
      • Polar patterns could have been tested more in depth (different types tested from more directions at different frequencies)
      • Sine wave sweep may be more accurate than noise for testing frequency response