Actual test quiz sound

how do dynamic microphones work?
- heart contains a magnet surrounded by coil
- one end of the coil is attached to the microphone's diaphragm
- when sound waves strike the diagram it vibrates which vibrates the coil
- an induced current is generated that mimics the frequency and intensity of the sound wave
picks up sound without being obstructive
good when you want to hear the feet

floor microphone
low frequency rage (woofers)

cones
mid frequency range

cones
high frequency range

horns and power drivers
how do speakers work?
- transduces electrical signal from the amplifiers into sound waves
- signal activates an electromagnet attached to loud speaker frame
- electromagnet actives an electrical field that mimics the frequency and intensity sent from the amp and mixer
- field cause a voice coil attached to the sound cone to vibrate back and forth
- cone mimics frequency and intensity of the processed electrical signal
transmits the audio as a radio or optical signal rather than via a cable

wireless microphone
what are some examples of historic playback equipment?
- edison phonograph
- record player
- gramophone
- reel to reel
- cassette deck
- compact disc player
- mini disc
small, wireless mic to be worn on personal clothing, wigs, through the hair, etc

wireless lavalier
a device that converts a form of energy into another

transducer

Author

tvalencia

330735

Card Set

Actual test quiz sound

Description

sound

Updated

2017-04-25T04:28:08Z