Energy Systems - Marantz Recorders

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Revision as of 13:06, 17 October 2011 by Krusea (Talk | contribs) (MIcrophones)

Media Loan

  • www.evergreen.edu/medialoan
  • L2504. End of hallway past Libary and Computer Center Entrances.
  • Reserve Equipment
  • Test Equipment
  • Late Fees
Late Fines assessed daily, per item
Equipment valued over $250 — $20.00 per day
Equipment valued under $250 — $10.00 per day
Keys and all equipment and accessories valued over $50 — $10.00 per day
Equipment and accessories valued under $50 — $5.00 per day
 

Sound

  • Measure sound in cycles per second or Hertz (Hz)
  • Human hearing 20 Hz to 20kHz

MIcrophones

  • A microphone converts acoustic energy to electrical energy

MIcrophone Types

  • Condenser Mics
    • More sensitive to higher frequencies and fast transients.
    • Needs power. Batteries in microphone.
  • Dynamic Mics
    • Ruggeed
    • Can take high sound levels
    • No power needed.

Microphone Patterns

  • Omni: picks up sound from all directions.
  • Cardioid: picks up sound from front:
    • Proximity Effect: low frequencies are boosted as mic is closer to the source.
  • Super-Cardioid: Picks up from front with a narrower pattern.

Microphones

  • Handheld
  • lavaliere: Small mic which clamps to shirt.
  • Shotgun: Long mic. Picks up sound from with an extremely narrow pattern.

Marantz Recorder