Difference between revisions of "Energy Systems - Marantz Recorders"
From Help Wiki
(→MIcrophones) |
(→MIcrophones) |
||
Line 28: | Line 28: | ||
** Can take high sound levels | ** Can take high sound levels | ||
** No power needed. | ** 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. | ||
[[category:2011-2012]] | [[category:2011-2012]] |
Revision as of 13:59, 17 October 2011
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.