Speakers & Microphones Mark Koh and Mike Renz. The Technology Speaker - an electroacoustic transducer that produces sound in response to an electrical.

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Presentation transcript:

Speakers & Microphones Mark Koh and Mike Renz

The Technology Speaker - an electroacoustic transducer that produces sound in response to an electrical audio signal input. Microphone - an acoustic-to-electric transducer or sensor that converts sound into an electrical signal. Speakers and Microphones |

Speakers: How They Work Speakers and Microphones | Stupid Link?

Microphones: How They Work Speakers and Microphones |

The History of the Speaker Invented by Alexander Graham Bell in 1876 in the process of making the first telephone. Speakers and Microphones |

The History of the Microphone First conceptualized by Charles Wheatstone around 1827, but modernized in 1876 by Emile Berliner who invented the first microphone used as a telephone voice transmitter. Speakers and Microphones |

How the Speaker Has Changed Amplified telephone receiver Cylinder compressed air amplifier Moving coil dynamic drivers Speakers and Microphones |

How the Microphone Has Changed Stethoscopes Voice transmitters Carbon microphone Broadcasting microphone Dynamic microphone Speakers and Microphones |

Societal Benefits Made the invention of the telephone possible Large impact on entertainment as a whole Made hearing aids possible Communications Speakers and Microphones |

Thank you! Questions, comments, concerns? Speakers and Microphones |

The Works Bellis, Mary. The History of Microphones. Inventors. About.com, n.d. Web. 8 Apr Daintith, John. Microphone. Dictionary of Physics. New York, NY: Facts on File, Print. Dynamic Microphones. HowStuffWorks. Discovery Channel, n.d. Web. 6 Apr Harris, Tom. How Speakers Work. hostuffworks. Discovery Channel, n.d. Web. 4 Apr History of Speakers. Articlebase. N.p., 12 Mar Web. 6 Apr Kirkland, Kyle. Tape Recorders and Computer Disks. Electricity and Magnetism. New York, NY: Facts on File Inc., Print. Quantumplative Technologies |